Order of operations

What is the best order of operations to perform an upgrade of RAM, upgrade the OS and firmware update on a freshly wiped Macbook?

The laptop in question is a Macbook version 7.1; 2.4 GHz; 250GB, 2x1GB RAM.

I have the installation discs for Snow Leopard.

I want to upgrade to El Capitan, and I would like to install 16 GB of RAM (2X8GB), I understand that this model can accept 16BG despite the specs from Apple.

The System Profiler indicates that the firmware is not the latest version, which is believe is necessary for the 16 GB of RAM to work.

To update the firmware, I would need to install it (temporarily) Snow Leopard, correct? And then should I upgrade the RAM, then the OS? Or is there a better order?

Thanks for any idea.

a. install the original OS first to see if that works correctly.

b. then update the firmware, and it should work correctly after that too.

c. now you can go after your wishes, without slipping questions with you:

install more RAM using 2x8GB modules of the correct specifications (PC3-8500 (1066 MHz) of 204-pin DDR3 SO-DIMM) have a good brand, Crucial research or OWC.

Use the mac and see if everything is still OK.

4. all applications you want to use to ensure compatibility with ElCapitan 10.11.6 research:

Search developer sites, a general site that helps (not always) is roaringapps.com

5. check the operation of your Apple ID.

6. download ElCapitan since the Appstore. You can make a bootable stick with Setup on this topic, if you have a backup before installing ElCapitan in the Applications folder. Then install ElCapitan and enjoy.

Lex

Tags: Mac OS & System Software

Similar Questions

ASA software order of operations

I'm trying to find a graph or something that identifies the order of operations what ASA cross when traffic passes through the appliance. I found different info already, but nothing him explained me the specific point, the decision is made to not let traffic pass interface more high level of confidence to interface low enough level of trust. When she assesses levels of security access lists? When does a decision of routing security levels.

Thanks for any info

Here is an example:

fwasa01 # entry packet - map out tcp 5.5.5.5 1024 172.16.64.101 22

Phase: 1

Type: FLOW-SEARCH

Subtype:

Result: ALLOW

Config:

Additional information:

Not found no corresponding stream, creating a new stream

Phase: 2

Type:-ROUTE SEARCH

Subtype: entry

Result: ALLOW

Config:

Additional information:

in 172.16.64.0 255.255.240.0 inside< routing="" wants="" to="" route="" the="" packet="" from="" outside="" to="">

Phase: 3

Type: ACCESS-LIST

Subtype:

Result: DECLINE

Config:

Implicit rule< outside="" interface="" has="" an="" inbound="" acl="" which="" doesn't="" mention="" "172.16.64.0"="" network,="" so="" the="" implicit-deny="" will="" drop="">

Additional information:

Result:

input interface: outdoors

entry status: to the top

entry-line-status: to the top

the output interface: inside

the status of the output: to the top

output-line-status: to the top

Action: drop

Drop-reason: flow (acl-drop) is denied by the configured rule

So to answer your question, when the packet flows of low trust in the high level of confidence it goes like this:

1 course

2. check the ACL< if="" no="" match,="" drop.="" acl="" is="" required="" if="" going="" from="" low-trust="" to="" high-trust.="" if="" no="" acl="" is="" configured,="" and="" this="" is="" inbound="" session,="" the="" packet="" is="" dropped.="" acl="" is="" not="" required="" if="" going="" from="" high-trust="" to="">

3. If nat-control is disabled (default): try to find nat/static flow correspondence or existing (there are a few things here depending on where the session initiated from), if no nat found config found, send the package without nat

3B. If nat-control is activated: there must be existing or nat/static flow

There are other components, but these are the most important

Kind regards

Roman

Order of operations for PIX

I intend to migrate from ducts in the ACL, and I'm interested to know the order of operations.

Lets assume that I have access list on the external interface that allows the packet HTTP & HTTPS to the Web server. However, on the DMZ interface I encouraged only SMTP packets.

Do I need to allow packets to the Web server on the DMZ interface?

Can't control the before State of ACL table PIX?

(Please let me know if there is any document which deals with the order of operations.)

Thank you.

I'm a little confused by your example, but I think I know what you're looking for.

Yes, the PIX search a connection exstablished front of LCD. Therefore, if the package has been allowed in through the ACL on your external interface on a server web DMZ, the answer would automatically be allowed. You must enable explicitly all traffic through the ACL on the interface DMZ that you wanted to come (initiated, this isn't an answer) of the web server on the DMZ. For example, open a web browser on the web server itself should be allowed.

And ACL have a higher priority than the pipes so mix are not a good idea (just an info).

Scott

NAT order of operation on the PIX firewall

Hi all.

Can someone refer me to a document that clearly explains the order of operations on a PIX w firewall NAT / code 6.3 (3) or 6.3 (5)?

The statements are first aveluated? Static Nat, static policy NAT, NAT/PAT dynamics and so forth, for outbound connections?

And for incoming connections? I know that xlate table is checked on the first place for incoming connections, but, assuming that there is no entry corresponds to an incoming packet... What is the medal in which NAT set out are avaluated?

TKS in advance.

Diego

Hello

Refers to these positions. These are the same though...

http://Forum.Cisco.com/eForum/servlet/NetProf?page=NetProf&Forum=security&topic=firewalling&CommCmd=MB%3Fcmd%3Dpass_through%26location%3Doutline%40%5E1%40%40.1ddb829a/0#selected_message

http://Forum.Cisco.com/eForum/servlet/NetProf?page=NetProf&Forum=security&topic=firewalling&CommCmd=MB%3Fcmd%3Dpass_through%26location%3Doutline%40%5E1%40%40.1ddb999a/1#selected_message

HTH

AK

Order of operations NAT on Site to Site VPN Cisco ASA

Hello

I have a question about the order of operations NAT on Site to Site VPN Cisco ASA 8.2.x. I have a scenario where the internal IP address of the range 10.17.128.x are NATTED IP public 31.10.10.x. below is the config:

Tunnel normally passes traffic to dmz - 31.10.11.10, 31.10.11.11 servers.

But the servers NATTED (10.17.128.x <->31.10.10.x) does not work.

inside_map crypto 50 card value transform-set ESP-3DES-SHA

tunnel-group 100.1.1.1 type ipsec-l2l

tunnel-group 100.1.1.1 General-attributes

Group Policy - by default-PHX_HK

IPSec-attributes tunnel-group 100.1.1.1

pre-shared key *.

internal PHX_HK group policy

PHX_HK group policy attributes

VPN-filter no

Protocol-tunnel-VPN IPSec svc webvpn

card crypto inside_map 50 match address outside_cryptomap_50

peer set card crypto inside_map 50 100.1.1.1

inside_map crypto 50 card value transform-set ESP-3DES-SHA

inside_map crypto 50 card value reverse-road

the PHX_Local object-group network

host of the object-Network 31.10.11.10

host of the object-Network 31.10.11.11

host of the object-Network 31.10.10.10

host of the object-Network 31.10.10.11

host of the object-Network 31.10.10.12

host of the object-Network 31.10.10.13

host of the object-Network 10.17.128.20

host of the object-Network 10.17.128.21

host of the object-Network 10.17.128.22

host of the object-Network 10.17.128.23

the HK_Remote object-group network

host of the object-Network 102.1.1.10

inside_nat0_outbound list extended access permitted ip object-group PHX_Local-group of objects HK_Remote

ACL_INSIDE list extended access permitted ip object-group PHX_Local-group of objects HK_Remote

ACL_OUTSIDE list extended access permitted ip object-group HK_Remote-group of objects PHX_Local

outside_cryptomap_50 list extended access permitted ip object-group PHX_Local-group of objects HK_Remote

Route outside 102.1.1.10 255.255.255.255 30.1.1.1 1

public static 31.10.10.10 (Interior, exterior) 10.17.128.20 netmask 255.255.255.255

public static 31.10.10.11 (Interior, exterior) 10.17.128.21 netmask 255.255.255.255

public static 31.10.10.12 (Interior, exterior) 10.17.128.22 netmask 255.255.255.255

public static 31.10.10.13 (Interior, exterior) 10.17.128.23 netmask 255.255.255.255

He started to work when I did another group of object by name PHX_Local1 and added to the list of access inside_nat0_outbound, instead of the object group PHX_Local, as below:

the PHX_Local1 object-group network

host of the object-Network 31.10.10.10

host of the object-Network 31.10.10.11

host of the object-Network 31.10.10.12

host of the object-Network 31.10.10.13

No inside_nat0_outbound access list extended only to allowed ip object-group PHX_Local-group of objects HK_Remote

inside_nat0_outbound list extended access permitted ip object-group PHX_Local1-group of objects HK_Remote

Can you please help me understand why group object PHX_Local failed with access-list inside_nat0_outbound, but he began to work with the Group of objects PHX_Local1.

Also, if you could tell me the order of operations to NAT via VPN Site to Site, it would be useful.

Thank you

Kind regards

Thomas

Hello

I think you could have said the original question in a way that could be missleading. In other words, if I understand now.

From what I understand now, you have the DMZ set up the server that are measured with a public IP address on the real servers. And for those that you have configured NAT0.

Then you have other servers that do not have public IP addresses themselves, but they are translated on the SAA.

If this is the case, then the next question would be. The server with the NAT should attend the L2L VPN connection with their real IP or address IP NAT.

Of course if you configure static NAT for the same servers and NAT0 the NAT0 will always win.

You have these guests who were not able to use the VPN L2L

31.10.10.10 10.17.128.20

31.10.10.11 10.17.128.21

31.10.10.12 10.17.128.22

31.10.10.13 10.17.128.23

IF you want them to go to the VPN L2L with their original IP address then you must configure

object-group, LAN

host of the object-Network 10.17.128.20

host of the object-Network 10.17.128.21

host of the object-Network 10.17.128.22

host of the object-Network 10.17.128.23

object-group, REMOTE network

host of the object-Network 102.1.1.10

inside_nat0_outbound list extended access allowed ip-group of objects LOCAL object-group remote

outside_cryptomap_50 list extended access allowed ip-group of objects LOCAL object-group remote

IF you want to use the L2L VPN with the public IP address, then you must configure

object-group, LAN

host of the object-Network 31.10.10.10

host of the object-Network 31.10.10.11

host of the object-Network 31.10.10.12

host of the object-Network 31.10.10.13

object-group, REMOTE network

host of the object-Network 102.1.1.10

outside_cryptomap_50 list extended access allowed ip-group of objects LOCAL object-group remote

EDIT: in this case you naturally do not configure any NAT0 for actual IP addresses we want precisely the IP addresses to be visible to the L2L VPN with the IP NAT address.

Or you can of course use the same "object-group" as currently but change the content in an appropriate manner

Be sure to mark it as answered if it was answered.

Ask more if necessary

-Jouni

What is the order of operations

Where can I find the order of operations that are evaluated by the Oracle database? I mean, for example, for a query like this:
Select an element, rank on (partition of order in...) r
from t1, t2
where t1.x = t2.x
and t2.other_something = 'value '.
order by 1;
We can say that: "order by" going to last, "rank" works on lines after that the paintings are "United" and "selected". So in a sense, there is an order of operations. I understand that the actual order of operations when execution can be different if optimizer concludes on an equivalent, alternative execution plan. But what is a sort of operations of op "basic" order Oracle follows "to understand" the request even before trying to understand the alternative form. Is there such a list of order of operations?
Thank you

Hello

946279 wrote:

Where can I find the order of operations that are evaluated by the Oracle database? I mean, for example, for a query like this:

Select an element, rank on (partition of order in...) r

from t1, t2

where t1.x = t2.x

and t2.other_something = 'value '.

order by 1;

We can say that: "order by" going to last, "rank" works on lines after that the paintings are "United" and "selected". So in a sense, there is an order of operations. I understand that the actual order of operations when execution can be different if optimizer concludes on an equivalent, alternative execution plan. But what is a sort of operations of op "basic" order Oracle follows "to understand" the request even before trying to understand the alternative form. Is there such a list of operations?

Thank you

No, I've never seen any kind of official list like that, no doubt because, as you say, the optimizer does not follow these rules; the optimizer has done what he thinks is the fastest way to get the results that you specified.

It may be useful to imagine things in the following order:
1. Subqueries
2. Joins (including the join in the WHERE clause conditions)
3. PIVOT and UNPIVOT
4. START WITH and CONNECT BY clauses
5. WHERE clause
6. Clause GROUP BY and aggregate functions
7. HAVING clause
8. Analytic functions (for example, RANK)
9. ORDER BY clause
Again, this has the same relationship to what actaully goes according to the drawings of atoms you see in science books have to the real atoms. It can help you to remember (for example) that an analytic function (n ° 8 in the list above) may rely on an aggregate function (#6), but not vice versa.

Yet once, SQL is not a procedural language, and the optimizer does not actually follow a rule of procedure like this.

order of operations in the execution plan

Hello
I'm not sure if my order of the following execution plan is correct.
So hopefully someone can confirm or refute my order of the plan.

This is the query:
SELECT DISTINCT 'A3. ' "' ISIN '.
Of
"WERTPAPIERE" "A3."
"LOGTABLE" "A2."
"WP_STATUS" "A1".
WHERE
"A2". "PK_ID"= "A3". "" IDENTITY CARD "AND
"A2". "" REFERENCE "> TIMESTAMP' 2014-01-06 18:30 ' AND
"A2". "" REFERENCE "< = TIMESTAMP' 2014-01-08 07:00 ' AND
"A2". "" LOG_DATUM "> TIMESTAMP' 2014-01-07 18:30 ' AND
"A2". "" LOG_DATUM "< = TIMESTAMP' 2014-01-08 07:00 ' AND
"A2". "TABLE" = "WERTPAPIERE" AND "
"A3". ' BATCH '= 'A1'. "" IDENTITY CARD "AND
"A1". "" CODE "<>" * 33' AND "
(THERE ARE
(SELECT "BESTANDS_MERKM" 0 "A7"
WHERE 'A7 '. "ID"= "A3". "' BESTANDS_MERKMAL_ID ' AND ('A7'. "CODE"= "1" OR "A7". "CODE"(= '2')) AND ("A3" ".") " USER name "= 'Ect' OR 'A3'." USER name "= 'pro' OR 'A3'". "" Username "(= 'prom') or does NOT EXIST"
(SELECT 0
OF 'BESTANDS_MERKM' "A6".
WHERE "A6". «ID «= NVL ("A3".» ("' BESTANDS_MERKMAL_ID ', 0) AND ("A6". "CODE"= "1" OR "A6". "CODE"(= '2')) AND ("A3" ".") " Username "="Res"OR"A3"." Username "(= 'prom') AND ("A3"". ")" LOESCH_KZ_ID' IS NULL OR EXISTS
(SELECT 0
OF 'WERTPAPIER_LOESCH_KZ' "A5".
WHERE "A5". "ID"= "A3". "' LOESCH_KZ_ID ' AND 'A5 '. (("CODE"="1")) AND THERE ARE
(SELECT 'PRODUKTGRUPPE_SEGMENT' 0 'A4'
WHERE "A4". "ID"= "A3". "' PRODUKTGRUPPE_SEGMENTIERUNG_ID ' AND ('A4'. "CODE"= "USE" OR "A4". "CODE"= "ZUUZ" OR "A4". "CODE"= "4000" OR "A4". "CODE"= "5000" OR "A4". "CODE"= "3000" OR "A4". "CODE"= "4444" OR "A4". "CODE"= "4445" OR "A4". "CODE"= "5544" OR "A4". "CODE"= "6544" OR "A4". «CODE ' = ' 6543 "OR"A4".» ((("CODE"="8765')))
The plan has been acquired through dbms_xplan:
Select * from table (dbms_xplan.display_cursor (format = > 'ALLSTATS LAST SCHEMA'));

Here's the plan:

-----------------------------------------------------------------------------------------------------------------------------------------------------------------
| ID | Operation | Name                     | Begins | E - lines. A - lines.   A - time | Pads | Bed | OMem | 1Mem | Used Mem.
-----------------------------------------------------------------------------------------------------------------------------------------------------------------
|   0 | SELECT STATEMENT |                          |      1.        |   1252 | 00:05:55.03 |      11 M |    594K |       |       |          |
|   1. UNIQUE HASH |                          |      1. 28517 |   1252 | 00:05:55.03 |      11 M |    594K | 1135K | 1135K | 2976K (0) |
|* 2 |   FILTER                               |                          |      1.        |   2579 | 00:05:55.02 |      11 M |    594K |       |       |          |
|* 3 |    HASH JOIN |                          |      1.    571K |   2219K | 00:05:53.49 |      11 M |    594K | 1306K | 1306K | 1 272 K (0) |
|* 4 |     INDEX SCAN FULL | WP_STAT_UPI |      1.     57.     57. 00:00:00.01 |       1.      0 |       |       |          |
|   5.     NESTED LOOPS |                          |      1.        |   2219K | 00:05:52.17 |      11 M |    594K |       |       |          |
|   6.      NESTED LOOPS |                          |      1.    583K |   2219K | 00:00:18.62 |     726K |    436K |       |       |          |
|   7.       RANGE OF SINGLE PARTITION |                          |      1.    583K |   2219K | 00:00:12.29 |     436K |    436K |       |       |          |
|   8.        PARTITION LIST ALL |                          |      1.    583K |   2219K | 00:00:11.96 |     436K |    436K |       |       |          |
|* 9 |         TABLE ACCESS FULL | LOGTABLE |      4.    583K |   2219K | 00:00:11.61 |     436K |    436K |       |       |          |
| * 10 |       INDEX UNIQUE SCAN | WP_PK_I                  |   2219K |      1.   2219K | 00:00:05.34 |     289K |    491.       |       |          |
| 11.      TABLE ACCESS BY INDEX ROWID | WERTPAPIERE |   2219K |      1.   2219K | 00:05:32.59 |      10 M |    157K |       |       |          |
| * 12 |    TABLE ACCESS BY INDEX ROWID | BESTANDS_MERKM |      5.      1.      2. 00:00:00.01 |       8.      0 |       |       |          |
| * 13 |     INDEX UNIQUE SCAN | BESTANDS_MERKM_PK_I |      5.      1.      4. 00:00:00.01 |       4.      0 |       |       |          |
| * 14 |    TABLE ACCESS BY INDEX ROWID | BESTANDS_MERKM |      3.      1.      0 | 00:00:00.01 |       5.      0 |       |       |          |
| * 15 |     INDEX UNIQUE SCAN | BESTANDS_MERKM_PK_I |      3.      1.      2. 00:00:00.01 |       3.      0 |       |       |          |
| * 16.    TABLE ACCESS BY INDEX ROWID | PRODUKTGRUPPE_SEGMENT |      3.      1.      2. 00:00:00.01 |       6.      0 |       |       |          |
| * 17.     INDEX UNIQUE SCAN | PRG_SEG_PK_I |      3.      1.      3. 00:00:00.01 |       3.      0 |       |       |          |
| * 18.    INDEX UNIQUE SCAN | WERTPAPIER_LOESCH_KZ_UPI |      2.      1.      1. 00:00:00.01 |       2.      0 |       |       |          |
-----------------------------------------------------------------------------------------------------------------------------------------------------------------
Vector data
-------------
/*+
BEGIN_OUTLINE_DATA
IGNORE_OPTIM_EMBEDDED_HINTS
OPTIMIZER_FEATURES_ENABLE ('11.2.0.3')
DB_VERSION ('11.2.0.3')
ALL_ROWS
OUTLINE_LEAF(@"SEL$2")
OUTLINE_LEAF(@"SEL$3")
OUTLINE_LEAF(@"SEL$4")
OUTLINE_LEAF(@"BLOCK1")
OUTLINE_LEAF(@"SEL$1")
OUTLINE(@"BLOCK1")
FULL (@"SALT$ 1" "A2"@"SEL$1")
INDEX (@"SALT$ 1" "A3"@"SEL$1" ("WERTPAPIERE".) "ID")) "
INDEX (@"SALT$ 1" "A1"@"SEL$1" ("WP_STATUS".) "CODE" "WP_STATUS" "." " ID'))
LEADING (@"SALT$ 1" "A2"@"SEL$1" "A3"@"SEL$1" "A1"@"SEL$1")
USE_NL (@"SALT$ 1" "A3"@"SEL$1")
NLJ_BATCHING (@"SALT$ 1" "A3"@"SEL$1")
USE_HASH (@"SALT$ 1" "A1"@"SEL$1")
SWAP_JOIN_INPUTS (@"SALT$ 1" "A1"@"SEL$1")
USE_HASH_AGGREGATION(@"SEL$1")
INDEX_RS_ASC (@"BLOCK1" "A4"@"BLOCK1" ("PRODUKTGRUPPE_SEGMENT".) "ID")) "
INDEX (@"SALT$ 4" "A5"@"SEL$4" ("WERTPAPIER_LOESCH_KZ".) "CODE" "WERTPAPIER_LOESCH_KZ" "." " ID'))
INDEX_RS_ASC (@"SALT$ 3" "A6"@"SEL$3" ("BESTANDS_MERKM".) "ID")) "
INDEX_RS_ASC (@"SALT$ 2" "A7"@"SEL$2" ("BESTANDS_MERKM".) "ID")) "
END_OUTLINE_DATA
*/
According to independent-combine- JOIN operation by HASH, I assumed the first operation's Id 4 because the "INDEX FULL SCAN' on 'WP_STAT_UPI' is the first child.
So I guess the order of operations by Id is 4,9,10 and so on.
I got my information from the official oracle documentation, the book of Troubleshooting Oracle Performance (APRESS) and some research on the internet.
Unfortunately so far I have found a good documentation on the scheduling. Most of the tutorials and documentation talk a lot operations themselves, but very little about the opening sequence.
According to the section ATTACK to State "LEADING(@"SEL$1""A2"@"SEL$1""A3"@"SEL$1""A1"@"SEL$1")", for the classification should be Id: 9,10 and so on.

I also tried to find order information in the v$ sql_plan. The database version is 11.2.

Any help welcome.

Best regards

Your interpretation is correct (even if you have obscured the lines 5-8, but they do not add significant value to what you're saying).

The explanation of the difference between your interpretation and the indicator leading() is the indicator USE_HASH() is accompanied by a hint of swap_join_inputs(). Hash joins | Oracle scratchpad indicator tells you the order of join optimizer was examining, but the optimizer exchange the roles of man and hash tables when it comes to her 'now to join A1 (WP_STAT)' part of the analysis - and this is reflected in the implementation plan.

Symbolically, the main indicator says

You should join A2 and A3--> (A2, A3)

Then you must join A1--> ((A2, A3), A1)

But Exchange - join entries. (A1, (A2, A3))

Concerning

Jonathan Lewis

RemoteObject order of operations
I need help understanding the order of operations in Flex. I have an initApp() function that is called in the attribute of the tag in the Application creationComplete. Inside this function, I try to call four different methods of a single RemoteObject and then move the tables returned each RO function to another function that combines all of the tables.

(see code below)

The problem occurs in the assembleTreeArray function because none of the tables being moved in have something in them.

When I throw in a bunch of breakpoints and step by step application, I noticed that the whole function initApp() runs before the RO result handler functions are called. With that being the case, when can I run the assembleTreeArray function?

Thanks for the advice or nudges in the right direction.
-Scott

You have four calls to the remote object, each of which will return in no particular order and asynchronously.

The functions of result can each call assembleTreeArray. assembleTreeArray can test to see if the four ArrayCollections are available (non-null) and when they are it can assemble the table.

Order of operations under pl
in this operation

validTo > = trunc (SYSDATE - 35 + 1/24).

Operations would be done in which order?

1 SYSDATE - 35.
2 + 1/24?

Or vice versa?

Thanks in advance
Less and more have equal priority. Mathematically, the answer remains the same, no matter what either less or more is done first.
```
SQL> select 1+2-1 as ANSWER from dual;

    ANSWER
----------
         2

SQL> select 1+(2-1) as ANSWER from dual;

    ANSWER
----------
         2

SQL> select (1+2)-1 as ANSWER from dual;

    ANSWER
----------
         2

SQL> 
```

Order of operations with parentheses

I have a query which returns unexpected results. I feel that when parentheses are included that they override the precedence of the operators. If this is the case, the NOT_EQUAL_CHECK must be the negation of the EQUAL_CHECK, right? 10.2.0.4 on a machine using in AIX.

WITH src AS
    (SELECT 'T' AS var1, 'T' AS var2 FROM dual
    UNION ALL
    SELECT 'T' AS var1, 'F' AS var2 FROM dual
    UNION ALL
    SELECT 'T' AS var1, NULL AS var2 FROM dual
    UNION ALL
    SELECT NULL AS var1, 'F' AS var2 FROM dual
    UNION ALL
    SELECT NULL AS var1, NULL AS var2 FROM dual
    )
  --
  --
  SELECT   nvl(var1, 'NULL') AS var1,
      nvl(var2, 'NULL') as var2     ,
      CASE
        WHEN((var1 = var2) OR (var1 IS NULL AND var2 IS NULL))
        THEN 'T'
        ELSE 'F'
      END AS equal_check,
      CASE
        WHEN NOT((var1 = var2) OR (var1 IS NULL AND var2 IS NULL))
        THEN 'T'
        ELSE 'F'
      END AS not_equal_check
    FROM src
    ORDER BY var1,
      var2;

VAR1   VAR2   EQUAL_CHECK   NOT_EQUAL_CHECK
-------------------------------------------
NULL   F      F             F
NULL   NULL   T             F
T      F      F             T
T      NULL   F             F
T      T      T             F

The reason is

NOT ((var1 = var2) OR (IS NULL var1 AND var2 IS NULL))

If var1 and var2 is null then var1 = var2 is unknown

Now unknown or FALSE = unknown---> NOT (unknown) = false

He documented I did not find tom even explain it

Cisco asa 9.1: crypto acl - order, order of operations,.

Hello

Let's say we have the following configuration

VPN1 list extended access permitted ip 192.168.1.0 255.255.255.0 10.0.0.0 255.0.0.0

card crypto mymap 10 correspondence address vpn1

card crypto mymap 10 peers set x.x.x.x

access-list extended 192.168.1.0 ip VPN2 allow 255.255.255.0 10.1.1.0 255.255.255.0

mymap 20 match address vpn2 crypto card

card crypto mymap 20 peers set y.y.y.y

In the above example, what happens if you intend to send a packet to a host on the 10.1.1.x and her counterpart that x.x.x.x is down (not SA).

If Asa will verify that the SA is down or away he starts the process of the next crypto access list according to the sequence number of crypto card? or simply drag the package?

If Asa trial next crypto map entry/crypto acl and that if no matching ACL? Packets are sent as clear text?

Thank you explantion

Peter

Hi Peter,.

This would work if the first tunnel is down and there is not SA for her.

However, it is not recommended to overlap crypto ACL.

Kind regards

Aditya

Please evaluate the useful messages and mark the correct answers.

Order of operations to export of scale

The first question I have is pretty basic, so I hope that it is easy to answer.
I'm editing HD footage that will end up on DVD and may eventually have to scale/harvest some shots to compensate for the problems of framing. Of course, if the output medium is SD, there is a little room to work with; But how first handle scaling in the sequence when the output will be adapted at a lower resolution? He dimensionnera past 100%, and then again down to the final resolution, or determine cleverly as the output must be scaling down (though not as well)?
If this is the first, I guess I drop things in an SD sequence to give me the extra room to scale. If it is the latter, is there another compelling reason to drop everything in a SD sequence prior to export anyway?
Thank you
Nathaniel

Change in a sequence corresponding to your images. When it's time, export assistance than a preset MPEG2-DVD.

The question of client and Clientless operations order

It may be a simple question, but I couldn't understand it. If we configure WebVPN (Clientless) and AnyConnect (Client) on the same 'outside' interface, how ASA knows that the incoming connection should land on which tunnel-group? I have average 'IF' we use the default setting? Do not use Group-url, group-alias or certificate-profile-map. What is the default order of operations?

Thank you

Hey Joe,

What happens during the SSL handshake. The information on the Web browser is sent and this is how the ASA determines the type of session.

When its AnyConnect, you could see the following in the log:

State of the CSTP = HEADER_PROCESSING

http_parse_cstp_method()

... entry: ' CONNECT/CSCOSSLC/tunnel HTTP / 1.1 '

webvpn_cstp_parse_request_field()

... entry: ' host: 10.198.16.132'

Treatment of the CSTP header line: ' host: 10.198.16.132'

webvpn_cstp_parse_request_field()

... entry: "User-Agent: Cisco AnyConnect VPN Agent for Windows 3.1.02040'"

Treatment of the CSTP header line: "User-Agent: Cisco AnyConnect VPN Agent for Windows 3.1.02040'"

Affecting user agent: "Cisco AnyConnect VPN Agent for Windows 3.1.02040.

As far as I KNOW, there is no specific order operation. The ASA simply procceses the session according to the parameters sent by the user agent.

HTH.

Portu.

Adding more than one host ESX and the upgrade at the same time. What is the order of preference of the operations here?

We are budgeting for more licenses and hardware for 2014 and want to do immediately in January. I am trying to decide what is the best order of operations for adding two vmware hosts additional to our current installation of vsphere and also upgrade our vsphere / esx 4.1 u3 for the latest and best.
We have 3 Dell PowerEdge R710 running ESX 4.1 U3. In this vmware cluster, there is a vcenter server 4.1 U3 virtual machine handle this. The three servers are about 90% memory used so we add 2 additional servers. Probably the Dell PowerEdge r.620 since we get up 2 in the space of a 710. Storage is on a san EMC NX4 NFS which will become too but not yet, let's just deal with the vmware part.
When adding additional r.620 2, should I install ESX 4.1 on them and join them to the existing cluster and THEN pass vcenter and each one esx? I ask precisely because 90% of use on 3 current servers, I need 2 other servers to support the update operations take place. They would be able to repel vmotioned vm while each host receives an upgrade at the same time.
So which is the best way to go about adding of the hosts and the upgrade? Would I add as 4.1, then they would be available as targets vmotion and so I have room to start the hosts one upgrade at a time?
If I update vcenter to the latest version, it is comparable backwards and can manage the 4.1 hosts, but also hosts 5.x? I guess version 5.5 is the last one I would get from VMWare? It is right of ESXi, then, how is this ESX ESXi 5.5 4.1 upgrade? How much storage space do I need for ESXi 5.5, as I'm dechatoiement out of these r.620 Dell and need to know what hard drive to put in.

The steps that you must follow

-Updated vCenter Server

-Upgrade of the ESX hosts (because we do a updating of the material we will install 5.5 on our new guests and add them to the cluster and then dismantle our existing)

-Upgrade VMWare tools

-Update data warehouses

ESXi 5.5 has these storage requirements:
- Installing ESXi 5.5 requires a boot device is at least 1 GB in size. When booting from a local disk or SAN/LUN iSCSI, a 5.2 GB drive is necessary to allow for the creation of the VMFS volume and a scratch 4 GB partition on the boot device. If a smaller drive or logical unit number is used, the installation program attempts to allocate a region scratching on a separate local disk. If a local drive is not found, the scratch partition (/ scratch) is located on the disk virtual ESXi host, linked to the/tmp/scratch. You can reconfigure /scratch to use another drive or logical unit number. For best performance and memory optimization, VMware recommends that you leave no /scratch on the ESXi host ramdisk.
- To reconfigure / scratch, see Configure the Scratch Partition of vSphere Client vSphere Installation and Installation Guide.
- Because of the sensitivity of the I/O devices, USB and SD, the installation program does not create a partition scratch on these devices. Therefore, there is no tangible benefits to the use of the great features of USB/SD that ESXi uses only the first 1 GB. When installing on USB or SD, tent Setup devices to allocate a region scratching on a local disk or the data store. If no disk is local or data store, /scratch is placed on the virtual disk. You must reconfigure /scratch to use a persistent data store after the installation.
- In Auto deploy facilities, Setup attempts to allocate a region scratching on a local disk or the data store. If no local disk or data store is found /scratch is placed on the virtual disk. You must reconfigure /scratch to use a persistent data store after the installation.
- For environments that start from a San or use Auto Deploy, it is not necessary to assign a separate logical unit number for each ESXi host. You can co-locate areas scrape for several hosts ESXi on a single LUN. The number of hosts assigned to a single LUN must balance the size of the LUN and behavior I/O virtual machines.

order of the sql operation

Hi experts,
I want to erase my basics here.
I want to know the order of the sql operation.
in fact the problem with me I've read websites and different blog
on the order of operation of sqkl requests, so I'm confused here.
I think that the order of operation iis
-MY assumptuion-
Of
|
where
|
Group
|
having
|
Select
|
order by
---------------------------
My assupmtion is correct?
If so, then if suppose there is clause rownum in my selection criteria, when
It will apply?
on some sites I've seen criteria below
--------------------------------------------
1. FROM/WHERE clause goes first.
2 ROWNUM is assigned and incremented for each line of output FROM/WHERE clause.
3. SELECT is applied.
4 GROUP BY is applied.
5 WHO is applied.
6 ORDER BY is applied.
-------------------------------------
is that correct or my assumption is correct?
Thank you very much in advance... !!
Kind regards
Prashant

Hello

969262 wrote:

Hello

I'm more confused now that everyone has to give a different answer...:)

Blushadow said something that can really help you:

Queries are not always run in a linear fashion

Once you see a step by step ordered arrangement, it is (at best) how things looked from a point of view, and it can be useful to understand some aspects of the work of the database, but not all.

If you must have a single ordered list, so what you posted first is, according to me, the more accurate for the majority of cases:
1. Of
2. where
3. Group
4. having
5. Select
6. order by
This can help you understand logically how to write SQL statements and predict their outcome. For example, think that, when it happens before that GROUP BY allows to remember that you can not use an aggregate function, such as COUNT in a WHERE clause, because the aggregate functions are calculated as part of the process GROUP.

How to write a SQL statement and how the optimizer decides to pay in fact, are two different things. The optimizer do not follow the sequence posted above, or any other sequence of steps. To see how a particular statement is made, given some data in particular, there is no substitute for watching the execution plan.

Order of operations

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