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• Another syntax for creating primary key

  
  Hello
  
  
  I have a question about the right way to create primary keys.
  Earlier, we were on Oracle 9i and we have upgraded to Oracle 10 g. The question is when creating primary key is allowed to create the unique index and then to create the primary key constraint? or directly create the first key is better? or are there ways to both the same?
  
  
  for example:
  one way:
  
  
  SQL & gt; CONN u2/u2@db1
  Connected.
  SQL & gt; create table a (a1, b1 varchar2 number (2), the date c1);
  
  
  Table created.
  
  
  SQL & gt; create an index on a (a1) tablespace unique pk_a t1;
  
  
  The index is created.
  
  
  
  SQL & gt; ALTER table a Add (constraint primary key (a1) using index pk_a);
  
  
  Modified table.
  Another way:
  SQL & gt; CONN u1/u1@db1
  Connected.
  SQL & gt; create table a (a1, b1 varchar2 number (2), the date c1)
  2.
  
  
  Table created.
  
  
  SQL & gt;
  SQL & gt; ALTER table a Add (constraint primary key (a1) using index tablespace t1 pk_a)
  2.
  
  
  Modified table.
  Which of the two approach is better? or are they the same?
  
  
  Thank you
  Cedric
  
  

  Oracle will attempt to create the index to apply the constraint. Of course, it is certainly possible that the creation of the index will fail, but you would be just to move the point of failure of the CREATE INDEX statement to the ALTER TABLE statement, assuming that everything else is equal (that is, you create the index in the same tablespace, quotas and tablespace sizes are the same, permissions are not changed, etc.)

  It may be preferable in some contexts to create a non-unique index before the creation of the constraint and instruct Oracle to use the non-unique index to apply the constraint. If you decide in the future to make the primary key constraint can be delayed, for example, have a non-unique index allows you to make this change without having to (implicitly), drop and re-create the index. A separate CREATE INDEX statement also influences when you go to remove a constraint / index. If the index was created before the constraint, you can remove the constraint without affecting the index. If the index was created after the constraint, deleting the constraint implicitly removes the index. Normally, particularly with OLTP applications, this doesn't buy you much. Sometimes, however, there are ETL process benefiting from such things.

  Justin

• How to create a function for the function date two

  Hai All
  
  How can we create a function for the date function two and to return the number of hours between two dates
  
  For example
  
  1 January 2010 0815' - '01-jan-2010 1715' and I need to calculate the time between two dates
  
  How can I create a procedure
  
  Thanks I advance
  
  Srikkanth.M

  What have you tried?

  Here is an example (untested):

  CREATE OR REPLACE FUNCTION RETURN_HOURS
  (
          pDateStart      IN DATE
  ,       pDateEnd        IN DATE
  )
  RETURN NUMBER
  DETERMINISTIC
  AS
  BEGIN
          RETURN (pDateEnd - pDateStart) * 24;
  END RETURN_HOURS;
  

• Yet WT8 - BITLOCK-how to create a key?

  Hi all.

  I have no need of BitLock on my Toshiba WT8 yet, but if you read my last post, you will see that he did a heck of a headache.

  To reduce the risk to be locked AGAIN somehow or other, I don't know how it happened the last time that I didn't activate or touch all the parameters relating to the BitLock) to my knowledge.

  As stated I have no need for this, nor do I have any knowledge in its use.

  I would like this does not happen, so I'll ask a few questions and you can help me please.

  I do not remember, but when the Tablet is first turned on and being prepared I get presented with the option/setting to enable/disable the Bitlocker?

  If not, and the operating system was set in motion, to access Bitlocker (on my Windows 7 PC desktop I'll in the Panel, I suppose that the table would be substantially the same).

  Now when the Bitlock icon has been clicked and it opens, that I have to actually activate it by clicking/tapping/ticking or else create a key, or can I create a key in the Bitlock window without it actually start/turn on the program?

  Concerning

  To be honest it s not I know if you will be asked to configure the Bitlocker configuration first.
  But as the bitlocker is a feature advanced Windows system and not available for all the Windows system, I think that this option is not in the first configuration.

  However, the Bitlocker is a feature of Microsoft Windows, and if you want more details on the features, I recommend you to check the page MS Bitlocker
  FAQ:
  https://TechNet.Microsoft.com/en-us/library/hh831507

  What's new in Bitlocker:
  https://TechNet.Microsoft.com/en-us/library/dn306081

• How can I create a gif image using photoshop. I mean photoshop shortcut keys and the steps for creating gif

  How can I create a gif for my blog [url removed by host] image using photoshop. I mean photoshop shortcut keys and the steps for creating gif

  CTRL + Alt + Shift + S Windows Mac CMD + Option + SHIFT + S change the image that you normally edit images.

• Access to a specific registry key (HKEY_USERS\S-1-5-18\software\Microsoft) causes a BSOD. How can I fix the key?

  Original title: access to a specific registry key generates BSOD. How can I fix the key?

  Scans the registry in XP causes a BSOD. The wrong key is HKEY_USERS\S-1-5-18\software\Microsoft. Access to manually also causes a BSOD so I can't delete or export it. I do not have a restore point from before the problem started. Other than the access to that key or run a search, XP works well.
  Is it possible to fix this?

  Not having no not this error in my notes (in other words, I've not seen at least 2 times), I Googled it and first fell on a MS KB article:

  http://support.Microsoft.com/kb/810558

  This article includes this statement:

  Contact Microsoft Technical Support to help heal the corruption in the registry.

  I think that is where you are right now, so let's see what is the response of the Microsoft Support Engineer, now that there is more information.  I always love to see what they have to offer first.

  Why and how did you change the system restore to create restore Points 3 a day for 30 days (FYI - that is not the same as a backup).

  If you were to solve some problem at the time, what was the question?

  The question was preceded by a loss of power, aborted reboot or abnormal termination?  (this includes the plug pulling, buttons power, remove the battery, etc.)

  In the meantime, I would run a chkdsk /r on your volume XP since XP Recovery Console.

  If you are not sure of the SP2 CD you have is an XP bootable installation CD authentic and not some kind of restore CD for the Dell system to 100%, I would recommend this (that I've seen more than 2 times):

  If you have no XP bootable media (or aren't sure you have) create a bootable XP Recovery CD of Console and don't forget (no support for XP not necessary).

  This is not the same as recovery disks that might have come with the acquisition of the system store.

  You can make a bootable Recovery Console CD by downloading an ISO file and burn it to a CD.

  The ISO bootable image file you need to download is called:

  xp_rec_con. ISO

  Download the ISO from here:

  http://www.mediafire.com/?ueyyzfymmig

  Use a new CD and this simple and free program to burn your ISO file and create your bootable CD (do not install UniBlue or the Ask Toolbar - never!):

  http://www.ImgBurn.com/

  Here are some instructions for ImgBurn:

  http://Forum.ImgBurn.com/index.php?showtopic=61

  It would be a good idea to test your bootable CD on a computer running.

  You may need to adjust the computer BIOS settings to use the CD-ROM drive as the first device to boot instead of the hard drive.  These adjustments are made before Windows tries to load.  If you miss it, you will need to restart the system again.

  When you start on the CD, follow the instructions:

  Press any key to boot from CD...

  Installing Windows... going to pronounce.

  Press 'R' to enter the Recovery Console.

  Select the installation that you want to access (usually 1: C:\WINDOWS)

  You may be asked to enter the password (usually empty).

  You should be in the folder C:\WINDOWS.  It's the same as the

  C:\Windows folder that you see in Solution Explorer.

  The Recovery Console allows base as file commands: copy, rename, replace, delete, chkdsk, fixboot, fixmbr, cd, etc.

  For a list of the commands in the Recovery Console, type help at the prompt of commands or read on here XP Recovery Console:

  http://www.Microsoft.com/resources/documentation/Windows/XP/all/proddocs/en-us/recovery_console_cmds.mspx?mfr=true

  A good idea before you start things must first verify the integrity of your file system by using the chkdsk command.

  In the command prompt window, run the chkdsk command on the drive where Windows is installed to try to fix any problems on the afflicted player.

  Running chkdsk is fine, even if he finds no problem.  It won't hurt anything to run it.

  Assuming your boot drive is C, run the following command:

  CHKDSK C: /r

  Let chkdsk finish to correct the problems, he could find.

  It may take a long time for chkdsk complete or they seem to be "stuck".  Be patient.  If the HARD drive led blinks always, chkdsk is something.  Keep an eye on the amount of the percentage to be sure that it is still making progress.  It may even seem to go back sometime.

  You must run chkdsk/r again until it finds no error to correct.

  Remove the CD, and then type "exit" to exit the RC and restart the computer.

  You have not to set the BIOS to boot the disk HARD since the CD won't be.

• G530 - how to fix the Novo key features?

  Hello guys!

  Some time ago I completely changed partitions configuration on my laptop, because I wanted to have two systems - Windows 7 (the default) and Ubuntu. Previously, I had an image of the LENOVO_PART (partition Lenovo recovery) by Paragon and burned on DVDs. Its contain images (a recovery key 7) OKR - mbr, boot partition and system (with default settings) file that contains information about the partition sizes and sectors. I deleted all the partitions and create new partitions.

  Now I want to restore the original scores, so I restored the partition recovery DVDs, and I put his ID 12 (PTEDIT32) and rebuilt the other partitions on the accuracy of a sector.

  Now, I have the following partitions: 1 - start (default is unnamed), 2 - system (default is unnamed), 3 - Lenovo, 4 - LENOVO_PART. Unfortunately the Lenovo System Restore does not start once I pressed the Novo key, so I put the active recovery partition and I can't restore the original mbr, boot, and system. Everything would be fine, but the Novo key doesn't work, then press start the normal system of Windows 7, not the recovery system.

  Could someone tell me how could fix the Novo key without the Lenovo service features?

  BTW, sorry for my bad English

  It should work properly. It seems that there is something wrong with the a key.

  at this point, I suggest you call lenovo support line and ship your laptop.

• How to get a product key, that I had a new hard drive installed in the computer shop and it seems that there is no key for windows 7

  Original title: window 7

  Hi can one tell me how to get a product key, that I had a new hard drive installed in the computer shop and it seems that there is no key for windows 7, I just brought Office 2016 and he did not finish the load down with the windows key 7.

  Because Windows 7 is in limited stock because Microsoft ended sales in October 2013, this created demand due to its rarity. This means the retail boxed copies request a bonus, while the OEM System Builder copies remain affordable.

  Full version (retail):

  -Includes the rights of transfer to another computer.

  -Does not require a qualifying earlier version of Windows.

  -Expensive

  Upgrade version (detail):

  -Includes the rights of transfer to another computer.

  -require a qualifying earlier version of Windows.

  -Expensive, but less expensive full version

  OEM System Builder version:

  The OEM of Windows 7 versions are identical to the versions commercial full license with the following exception:

  -OEM versions don't offer any free direct support from Microsoft technical support Microsoft

  -OEM Licenses are tied to the computer first you install and activate it on

  -OEM versions allow all hardware upgrades except for an upgrade to a different model motherboard

  -OEM versions does not move directly from an older Windows operating system

  There is nothing wrong to use it too, especially that all future versions of Windows will be full versions.

  You can find software OEM System Builder of dozens of online merchants. The current price for OEM Windows 7 Professional Newegg, for example, is $ 140. When I checked a few minutes ago, Amazon offered packages OEM Windows 7 Professional from several vendors at prices ranging from $ 101 to $ 150. When I checked earlier, a package specifically designed for reconditioned PCs cost only $ 50 for a 64-bit copy.

  There is no technical limitation to prevent you from using OEM software on your computer, although this software only works for a clean install, not an upgrade. In the past, Microsoft has been remarkably inconsistent in his advice to clients on the question of whether this practice is allowed. (See "is allowed to use Windows OEM on your own PC? Don't ask Microsoft. »)

• can I create a key for key restart (windows) on the Helpsite Ergo 4000 keyboard?

  Original title: MS Ergo 4000 kb.

  Hey

  Should be easy. On my old or dead logitech keyboard had a touch restart (windows). can I create a key for this custom 4000?
  I looked into the keyboard software, but didn't find any option.

  Thank you

  P. S.

  Why is it I already signed in the community, I took particapate then he forced me to start a new connection?
  Now I have 2 connections 1. bradfeuerhelm 2.bradfeuerhelm1954! Also your hardware forum is not listed in the category!

  Hi Brad,

  Microsoft keyboard you can reassign some keys to access the various commands, shortcuts or IntelliType Pro features to better fit your work style.

  How to redirect to my keyboard access keys?

  http://www.Microsoft.com/hardware/en-GB/help/support/how-to/keyboard/reassign-keys

  You can also create shortcuts keyboard that contains the executable program file.

  (a) right click on desktop

  (b) click on new > shortcut

  (c) type "shutdown.exe - r-t 00" click Next

  (d) type the name as "restart", and then click Ok

  (e) click right to restart the icon on the desktop

  (f) click Properties, and then click the shortcut key

  (g) you can press Ctrl + Alt + R or according to the letter that you like.

  h) click 'Applies' > Ok

  (i) now when you press the shortcut key, your computer will restart.

  (j) don't forget to quickly save everything before you press the shortcut key.

  For more information, see this link:

  Create keyboard shortcuts to open programs

  http://Windows.Microsoft.com/en-GB/Windows/create-keyboard-shortcuts-open-programs#1TC=Windows-7

  You can use a single Microsoft live id to connect to the Microsoft Community website. You can give different names, you want to appear on the thread by changing the profile display name.

  (a) sign in tohttp://answers.microsoft.com/en-us using your Windows live ID.

  (b) click on your user name, then click on edit profile.

  (c) change the nickname you like.

  I hope this helps. If you need help with Windows, let us know and will be happy to help you.

• How to recover my product key of windows 8, I installed the windows 10 techniques view without taking backup I need to go back to my windows 8 pls someone help

  How to recover my product key of windows 8, I installed the windows 10 techniques view without taking backup I need to go back to my windows 8 pls someone help

  Hi Carmen,.

  Thanks for posting your query in Microsoft Community Forum.

  I understand that you had not taken any prior backup upgrade to Windows 10 Technical Preview and need product key to retrieve Windows 8.

  So, first of all, I suggest you to check the product key in email messages when you purchased the license to the product for Windows 8. Once you get the product key, you can create a Windows 8 ISO and reinstall using this product key. See the following article:

  To create installation media Windows 8.1

  However, if you had bought the system pre-installed with Windows 8. Then, you may need to contact the Original Equipment Manufacturer (OEM) system for Windows 8 discs to restore the older operating system.

  Hope this information is useful. Let us know the results for further assistance, we will be happy to help you.

• How to generate the primary key element and move to another page?

  How to make the primary key value to another page in a table?

  

  Hello

  I am a beginner in the apex,

  Please, now I want to add the primary key to page 1 for item id in page 2...

  Notice:

  Before, I created (process of pl/sql in the rendering of page @ after the header section) to get the id of secuance.

  BEGIN
  :P17_ID := seq_t_items_id.NEXTVAL;
  END;
  
  
  

  primary key is generated for the element ID of page 1... BUT When I update 'page 1' I see error and solved when shut down my browser and open it again...

  Please help me to...

  1. Generate a primary key (article id @ page 1)... without refresh error. ?
  2. Pass him (item_id) on page 2

  Thank you all for...

  Sorry I'm beginner in apex,

  I don't know how Pass value of the item_id TO page 1 page 2 "in the form ID", turn to the first PHOTO... .
  Help me..

  Thank you

• Create Foreign Key forced in Warehouse Builder

  Hello world
  
  Yet once I need your help, please.
  My question is: Warehouse Builder is a way to create relationships between the Dimension Tables and one fact Table?
  I give you a simple example:
  We have produced paintings, customer, sales. So product and customer become a dimension table and sales become a fact table. In this fact table, we store the product_table_key, the customer_table_key and the messure of sale itself.
  If we think of datamodeling aspects our relationship 1: n between product_dimension_table and fact_table and also a relationship 1: n between customer_dimension_table and fact_table.
  How can we create these reports in the Warehouse Builder?
  If we design the objects of SQL database, we could create the need forced like that:
  Fact_table ALTER TABLE ADD (REFERENCES of KEY FOREIGN (customer_dim_fk) customer (customer_table_key));
  
  Please let me know how we can treat them in Warehouse Builder. I don't want to create which restricts manually in SQL Developer later.
  Thank you very much!
  
  Kind regards
  David

  Hi David,

  You can create the foreign key in OWB.
  An example of comprime1 that is created or imported in OWB.
  Open the T1 table in the data editor.
  Click constraints
  Type a name for the constraint
  Set the foreign key type
  Choose the local column on which you want to create the FK
  Now goto reference tab and choose the table and column (PK) whereby the CF should have a reference.

  She's.
  Save and generate the table T1 script you will have something similar to the following

  ALTER TABLE '' ADD CONSTRAINT '' FOREIGN KEY ('')
  REFERENCES "" ("");

  You can do a lot of settings on this FK in Table T1---> configure---> foreign keys

  Thank you
  Fati

• Create primary key also Select

  In Oracle, how we specify a primary key in a creation like the select statement? I ran a simple statement, but received the error ORA-00933. What I have to do two steps with created first table and alter the table to add the key?
  
  Thank you
  
  
  
  CREATE TABLE Test as
  SELECT
  *
  SOURCE one
  WHERE a.sys = 100
  PK1 CONSTRAINT PRIMARY KEY (account ID)

  SQL>  create table t (a primary key) as select 1 from dual
  /
  Table created.
  

• Qosmio X 870 - 13p - how to restore the original key elements?

  Use the volume buttons + /-on the keyboard, I just had to push for example to increase the volume of your PC or put a song on a break. Now it does not work, I have to press the "Fn key" to use these keys.

  If anyone has an idea how to restore the original key elements?

  There are two options for the mode of function keys:
  -special function mode (you don't need to press the FN key n)
  -standard mode of F1 - F12

  Please check which option is set to your laptop.
  You can find it when you open the office assist > system settings > keyboard.

  Check and if necessary change the special function mode.

• How to lock and unclock key FN?

  Hi, I have a laptop HP Pavilian DV7, and I wanted to know how to lock the function key. I saw in other websites that say just keep it pressed, press fn + NumLock, fn + F11 and fn + scroll, but none of those who work for me. Can someone help me please?

  lock the key Fn in the sense you use the function keys (F1, F2, F3...) + FN key combinations without using the FN key then the simple way of locking of the fn's boot in the bios by using the F10 key at startup which is used on most computers laptops hp, then in the bios screen select the option configuration. under the system configuration, you will find something like mode of action keys and make it active and then save the changes and exit the bios screen. hope that the problem will be solved on restart for unlock get in the bios screen and disable the action mode keys.