write the query sql for the following situation?

We have a table like format following...

A AND B
...................
10 30
50 40
60 80
90 100

so to write the query and get the result like formats following...

RESULT
............
30
50
80
100

Try this... He's one of the interview question. I can't write the query...

If a knowledge write the query...

Hello
Try this

select (case when a>b then a else b end)   "Result"  from ;

Tags: Database

Similar Questions

a disk error has occurred while trying to write the following file

I was working on my video and I put in a video file and a 10 seconds later, I get an error saying "a disk error occurred while trying to write the following file.
and audio of the video was not working I close Premiere Pro and open again to do the same thing and it happens again if you know how to fix this please tell me I need to change my video so I can get it to the top on youtube tomorrow.

I contacted support and it turns off everything, I had to do was move the first clip on the desktop... lol Thanks much for the great help! Sorry for the trouble

How to write the following SQL
I have a table with the following columns seq_no, customer_no, sales_person, card_type, NTB_Cust, paid_flag. He basically tells what a person sale that sold the customer what card, and if the customer is a New_To_Bank. Seq_no field is a sequence running. I need fill out the paid_flag as 1 or 0 according to certain rules.

The first point to consider is that the card_type should be "PREFERRED" and NTB_Cust = "NTB".
Then, if the sales_person has sold two cards that follow with the above criteria, in the same customer_no, then only the first will be marked with paid_flag = 1. If he sold 3 consecutive to the same customer cards, then the 1st and the 3rd will be marked as paid_flag = 1. If the sales_person has sold 4 cards to the same customer and then the 1st and the 3rd will be marked as paid_flag = 1. And so on.

See below the expected value of paid_flag
seq_no card_type NTB_Cust paid_flag customer_no sales_person
XXX 999 FAVORITE NTB 1 1
2 999 FAVORITE NTB XXX 0
XXX 3 999 FAVORITE NTB 1
4 999 PRESTIGE NTB XXX 0
XXX 5 888 FAVORITE NTB 1
XXX 6 888 FAVORITE OLD 0
7 FAVORITE NTB 888 XXX 1
Hello

Try
```
WITH T1
AS
(
SELECT 1 seq_no, 'XXX' sales_person, 999 customer_no, 'PREFERED' card_type, 'NTB' NTB_Cust, 1 paid_flag FROM DUAL UNION ALL
SELECT 2, 'XXX', 999, 'PREFERED', 'NTB', 0 FROM DUAL UNION ALL
SELECT 3, 'XXX', 999, 'PREFERED', 'NTB', 1 FROM DUAL UNION ALL
SELECT 4, 'XXX', 999, 'PRESTIGE', 'NTB', 0 FROM DUAL UNION ALL
SELECT 5, 'XXX', 888, 'PREFERED', 'NTB', 1 FROM DUAL UNION ALL
SELECT 6, 'XXX', 888, 'PREFERED', 'OLD', 0 FROM DUAL UNION ALL
SELECT 7, 'XXX', 888, 'PREFERED', 'NTB', 1 FROM DUAL )
SELECT T1.*, CASE WHEN MOD(ROW_NUMBER() OVER (PARTITION BY customer_no, card_type  ORDER BY SEQ_NO),2)=1 AND CARD_TYPE = 'PREFERED'
         AND NTB_Cust='NTB' THEN 1 ELSE 0 END PAID_FLG_FROM_SQL
FROM   T1
ORDER BY SEQ_NO;
```
* 009 *.

Best way to write the following query

Hello
I have following table structures and data...
And I wrote the request in order to obtain records that are superior to BBB-
But could you please me to write in a simpler way.

create table obj (ob_id )
as select 1 from dual union all
select 2 from dual union all
select 3 from dual union all
select 4 from dual union all
select 5 from dual union all
select 6 from dual

create table og_dt (or_id , rt_cd,rt_ct_cd)
AS SELECT 1 ,'B','BRID' FROM DUAL UNION ALL
   SELECT 1 ,'B','BRD' FROM DUAL UNION ALL
   SELECT 2 ,'BB-','ACR' FROM DUAL UNION ALL
   SELECT 2 ,'BB-','AQCR' FROM DUAL UNION ALL
   SELECT 3 ,'BBB','QYRE' FROM DUAL UNION ALL
   SELECT 4 ,'BB+','TUR' FROM DUAL UNION ALL
   SELECT 5 ,'BBB-','KUYR' FROM DUAL 
   
   
create table rt_srt (srt_ord,rt_cd,rt_ct_cd)
as select 50 ,'B','VID' FROM DUAL UNION ALL
   SELECT 50 ,'B','BRD' FROM DUAL UNION ALL
   SELECT 40 ,'BB-','ACR' FROM DUAL UNION ALL
   SELECT 41 ,'BB-','AQCR' FROM DUAL UNION ALL
   SELECT 30 ,'BBB','QYRE' FROM DUAL UNION ALL
   SELECT 33 ,'BB+','TUR' FROM DUAL UNION ALL
   SELECT 20 ,'BBB-','KUYR' FROM DUAL 
   
      
select distinct 
*
   from obj,og_dt,rt_srt
  where obj.ob_id=og_dt.or_id
  and og_dt.rt_cd = rt_srt.rt_cd
  and og_dt.rt_ct_cd=rt_srt.rt_ct_cd
and rt_srt.srt_ord > all (select rt_srt.srt_ord from rt_srt
where rt_cd='BBB-'

I used the table rt_srt twise in the above query
Could you advice please write it in simple way.

Thank you

Here's the implementation plans for 3 possible solutions (including the one you posted). Solutions of second & third assumes that rt_srt.srt_ord is not null:

SQL> explain plan for
  2  select  distinct *
  3    from  obj,
  4          og_dt,
  5          rt_srt
  6    where obj.ob_id = og_dt.or_id
  7      and og_dt.rt_cd = rt_srt.rt_cd
  8      and og_dt.rt_ct_cd = rt_srt.rt_ct_cd
  9      and rt_srt.srt_ord > all (
 10                                select  rt_srt.srt_ord
 11                                  from  rt_srt
 12                                  where rt_cd = 'BBB-'
 13                               )
 14  /

Explained.

SQL> @?\rdbms\admin\utlxpls

PLAN_TABLE_OUTPUT
---------------------------------------------------------------------------------------
Plan hash value: 3210303028

---------------------------------------------------------------------------------
| Id  | Operation              | Name   | Rows  | Bytes | Cost (%CPU)| Time     |
---------------------------------------------------------------------------------
|   0 | SELECT STATEMENT       |        |     7 |   504 |    16  (25)| 00:00:01 |
|   1 |  HASH UNIQUE           |        |     7 |   504 |    16  (25)| 00:00:01 |
|   2 |   MERGE JOIN ANTI NA   |        |     7 |   504 |    15  (20)| 00:00:01 |
|   3 |    SORT JOIN           |        |     7 |   385 |    11  (19)| 00:00:01 |
|*  4 |     HASH JOIN          |        |     7 |   385 |    10  (10)| 00:00:01 |
|*  5 |      HASH JOIN         |        |     7 |   238 |     7  (15)| 00:00:01 |

PLAN_TABLE_OUTPUT
---------------------------------------------------------------------------------------
|   6 |       TABLE ACCESS FULL| OBJ    |     6 |    78 |     3   (0)| 00:00:01 |
|   7 |       TABLE ACCESS FULL| OG_DT  |     7 |   147 |     3   (0)| 00:00:01 |
|   8 |      TABLE ACCESS FULL | RT_SRT |     7 |   147 |     3   (0)| 00:00:01 |
|*  9 |    SORT UNIQUE         |        |     1 |    17 |     4  (25)| 00:00:01 |
|* 10 |     TABLE ACCESS FULL  | RT_SRT |     1 |    17 |     3   (0)| 00:00:01 |
---------------------------------------------------------------------------------

Predicate Information (identified by operation id):
---------------------------------------------------

   4 - access("OG_DT"."RT_CD"="RT_SRT"."RT_CD" AND

PLAN_TABLE_OUTPUT
---------------------------------------------------------------------------------------
              "OG_DT"."RT_CT_CD"="RT_SRT"."RT_CT_CD")
   5 - access("OBJ"."OB_ID"="OG_DT"."OR_ID")
   9 - access("RT_SRT"."SRT_ORD"<="RT_SRT"."SRT_ORD")
       filter("RT_SRT"."SRT_ORD"<="RT_SRT"."SRT_ORD")
  10 - filter("RT_CD"='BBB-')

Note
-----
   - dynamic sampling used for this statement (level=2)

31 rows selected.

SQL> explain plan for
  2  select  distinct *
  3    from  obj,
  4          og_dt,
  5          rt_srt
  6    where obj.ob_id = og_dt.or_id
  7      and og_dt.rt_cd = rt_srt.rt_cd
  8      and og_dt.rt_ct_cd = rt_srt.rt_ct_cd
  9      and rt_srt.srt_ord > (
 10                            select  max(rt_srt.srt_ord)
 11                              from  rt_srt
 12                              where rt_cd = 'BBB-'
 13                           )
 14  /

Explained.

SQL> @?\rdbms\admin\utlxpls

PLAN_TABLE_OUTPUT
---------------------------------------------------------------------------------------
Plan hash value: 3391900174

---------------------------------------------------------------------------------
| Id  | Operation              | Name   | Rows  | Bytes | Cost (%CPU)| Time     |
---------------------------------------------------------------------------------
|   0 | SELECT STATEMENT       |        |     1 |    55 |    14  (15)| 00:00:01 |
|   1 |  HASH UNIQUE           |        |     1 |    55 |    14  (15)| 00:00:01 |
|*  2 |   HASH JOIN            |        |     1 |    55 |    10  (10)| 00:00:01 |
|   3 |    MERGE JOIN CARTESIAN|        |     2 |    68 |     6   (0)| 00:00:01 |
|*  4 |     TABLE ACCESS FULL  | RT_SRT |     1 |    21 |     3   (0)| 00:00:01 |
|   5 |      SORT AGGREGATE    |        |     1 |    17 |            |          |

PLAN_TABLE_OUTPUT
---------------------------------------------------------------------------------------
|*  6 |       TABLE ACCESS FULL| RT_SRT |     1 |    17 |     3   (0)| 00:00:01 |
|   7 |     BUFFER SORT        |        |     6 |    78 |     3   (0)| 00:00:01 |
|   8 |      TABLE ACCESS FULL | OBJ    |     6 |    78 |     3   (0)| 00:00:01 |
|   9 |    TABLE ACCESS FULL   | OG_DT  |     7 |   147 |     3   (0)| 00:00:01 |
---------------------------------------------------------------------------------

Predicate Information (identified by operation id):
---------------------------------------------------

   2 - access("OBJ"."OB_ID"="OG_DT"."OR_ID" AND
              "OG_DT"."RT_CD"="RT_SRT"."RT_CD" AND

PLAN_TABLE_OUTPUT
---------------------------------------------------------------------------------------
              "OG_DT"."RT_CT_CD"="RT_SRT"."RT_CT_CD")
   4 - filter("RT_SRT"."SRT_ORD"> (SELECT MAX("RT_SRT"."SRT_ORD") FROM
              "RT_SRT" "RT_SRT" WHERE "RT_CD"='BBB-'))
   6 - filter("RT_CD"='BBB-')

Note
-----
   - dynamic sampling used for this statement (level=2)

30 rows selected.

SQL> explain plan for
  2  select  distinct obj.*,
  3                   og_dt.*,
  4                   rt_srt.srt_ord,
  5                   rt_srt.rt_cd,
  6                   rt_srt.rt_ct_cd
  7    from  obj,
  8          og_dt,
  9          (
 10           select  t.*,
 11                   max(case rt_cd when 'BBB-' then srt_ord end) over() max_srt_ord
 12             from  rt_srt t
 13          ) rt_srt
 14    where obj.ob_id = og_dt.or_id
 15      and og_dt.rt_cd = rt_srt.rt_cd
 16      and og_dt.rt_ct_cd = rt_srt.rt_ct_cd
 17      and rt_srt.srt_ord > max_srt_ord
 18  /

Explained.

SQL> @?\rdbms\admin\utlxpls

PLAN_TABLE_OUTPUT
---------------------------------------------------------------------------------------
Plan hash value: 998396165

--------------------------------------------------------------------------------
| Id  | Operation             | Name   | Rows  | Bytes | Cost (%CPU)| Time     |
--------------------------------------------------------------------------------
|   0 | SELECT STATEMENT      |        |     7 |   476 |    11  (19)| 00:00:01 |
|   1 |  HASH UNIQUE          |        |     7 |   476 |    11  (19)| 00:00:01 |
|*  2 |   HASH JOIN           |        |     7 |   476 |    10  (10)| 00:00:01 |
|*  3 |    HASH JOIN          |        |     7 |   238 |     7  (15)| 00:00:01 |
|   4 |     TABLE ACCESS FULL | OBJ    |     6 |    78 |     3   (0)| 00:00:01 |
|   5 |     TABLE ACCESS FULL | OG_DT  |     7 |   147 |     3   (0)| 00:00:01 |

PLAN_TABLE_OUTPUT
---------------------------------------------------------------------------------------
|*  6 |    VIEW               |        |     7 |   238 |     3   (0)| 00:00:01 |
|   7 |     WINDOW BUFFER     |        |     7 |   147 |     3   (0)| 00:00:01 |
|   8 |      TABLE ACCESS FULL| RT_SRT |     7 |   147 |     3   (0)| 00:00:01 |
--------------------------------------------------------------------------------

Predicate Information (identified by operation id):
---------------------------------------------------

   2 - access("OG_DT"."RT_CD"="RT_SRT"."RT_CD" AND
              "OG_DT"."RT_CT_CD"="RT_SRT"."RT_CT_CD")
   3 - access("OBJ"."OB_ID"="OG_DT"."OR_ID")

PLAN_TABLE_OUTPUT
---------------------------------------------------------------------------------------
   6 - filter("RT_SRT"."SRT_ORD">"MAX_SRT_ORD")

Note
-----
   - dynamic sampling used for this statement (level=2)

27 rows selected.

SQL>

SY.

Published by: Solomon Yakobson on May 7, 2012 16:46

How to write the following UPDATE query

I have a table with data as below:
Subscriber IMSI imsi_rank
1 12321 1
1 2312341 2
1 332442 3
1 342 4
1 5
2 23213 1
2 12321 2
2 12312 3
2 4
2 5
Now, the data is dense and continuous for a SUBSRCIBER. Between there is no value for a SUBSCRIBER's IMSI null. However, where one or more IMSI is null, I need to update the table to move the IMSI values to the top of the IMSI_RANK.
Say for example for Subscriber 1, IMSI value 2312341 and 332442 is set to NULL value. So I need to write an application Update or PLSQL that will update the data as below.
Subscriber IMSI imsi_rank
1 12321 1
1 342 2
1 3
1 4
1 5
2 23213 1
2 12321 2
2 12312 3
2 4
2 5
I use 11g.

You cannot perform SQL on any PL/SQL collection type. You need to loop through them and make the change.

How to build the query SQL for indexes work based on data - dict.?
Hello

I want to build the index 'create' - statement to all indexes have worked-based on the data dictionary.

For example:
create indexes tab1.ind1
on tab1 (lower (col3), lower (col1), col2, col4)
Tablespace "index."

I know I'll find all needed information views all_indexes, all_ind_columns and all_ind_expressions. During the generation of the create statement for the index of the order of the indexed columns must be correct (the order of the indexed column can be achieved using the "position_colonne" column of seen all_ind_columns and all_ind_expressions). But what would be the best way to provide all the necessary information in the right order?
One way would be a PLSQL procedure that puts it all together - but is it possible to use a single SQL statement?

Any help will be appreciated.

Rgds
JH
You can try using DBMS_METADATA. GET_DDL:
```
SQL> show user;
USER is "TEST"
SQL> drop table t;

Table dropped.

SQL> create table t(x varchar2(10));

Table created.

SQL> create index i on t(upper(x));

Index created.

SQL> select dbms_metadata.get_ddl('INDEX','I','TEST') from dual;

DBMS_METADATA.GET_DDL('INDEX','I','TEST')
--------------------------------------------------------------------------------

  CREATE INDEX "TEST"."I" ON "TEST"."T" (UPPER("X"))
  PCTFREE 10 INITRANS 2 MAXTRANS 255
  STORAGE(INITIAL 65536 NEXT 1048576 MINEXTENTS 1 MAXEXTENTS 2147483645
  PCTINCREASE 0 FREELISTS 1 FREELIST GROUPS 1 BUFFER_POOL DEFAULT)
  TABLESPACE "USERS"
```

-You also get an invalid identifier error when executing this query sql for a data model, but not in TOAD/SQL Developer?

Hello OTN.
I don't understand why my sql query will pass by in the data model of the BI Publisher. I created a new data model, chose the data source and type of Standard SQL = SQL. I tried several databases and all the same error in BI Publisher, but the application works well in TOAD / SQL Developer. So, I think it might be something with my case so I'm tender hand to you to try and let me know if you get the same result as me.
The query is:
SELECT to_char (to_date ('15-' |)) TO_CHAR(:P_MONTH) | » -'|| (To_char(:P_YEAR), "YYYY-DD-MONTH") - 90, "YYYYMM") as yrmth FROM DUAL

Values of the variable:
: P_MONTH = APRIL
: P_YEAR = 2015
I tried multiple variations and not had much luck. Here are the other options I've tried:
WITH DATES AS
(
Select TO_NUMBER (decode (: P_MONTH, 'JANUARY', '01',))
'FEBRUARY', '02',.
'MARCH', '03'.
'APRIL', '04'
'MAY', '05'.
'JUNE', '06'.
'JULY', '07',.
'AUGUST', '08'.
'SEPTEMBER', '09'.
'OCTOBER', '10',.
'NOVEMBER', '11'.
"DECEMBER", "12."
'01')) as mth_nbr
of the double
)
SELECT to_char (to_date ('15-' |)) MTH_NBR | » -'|| (TO_CHAR(:P_YEAR), 'DD-MM-YYYY') - 90, "YYYYMM")
OF DATES
SELECT to_char (to_date ('15-' |: P_MONTH |)) » -'|| ((: P_YEAR, 'MONTH-DD-YYYY')-90, "YYYYMM") as yrmth FROM DUAL
I'm running out of ideas and I don't know why it does not work. If anyone has any suggestions or ideas, please let me know. I always mark answers correct and useful in my thread and I appreciate all your help.
Best regards
-Konrad

So I thought to it. It seems that there is a bug/lag between the guest screen that appears when you enter SQL in the data model and parameter values, to at model/value data.

Here's how I solved my problem.

I have created a new data model and first created all my settings required in the data model (including the default values without quotes, i.e. APRIL instead "Of APRIL") and then saved.

Then I stuck my sql query in the data model and when I clicked ok, I entered my string values in the message box with single quotes (i.e. "in APRIL' instead of APRIL)

After entering the values of string with single quotes in the dialog box, I was able to retrieve the columns in the data model and save.

In the data tab, is no longer, I had to enter the values in single quotes, but entered values normally instead, and the code worked.

It seems the box prompted to bind the values of the variables when the SQL text in a data model expects strings to be wrapped in single quotes, but no where else. It's a big headache for me, but I'm glad that I solved it, and I hope this can be of help to other institutions.

See you soon.

SQL query to retrieve a single record for each employee of the following table?

Hi all
Help me on the writing of SQL query to retrieve a single record for each employee of the following table? preferably a standard SQL.
CREATE TABLE xxc_contact)
empnum NUMBER,
alternatecontact VARCHAR2 (100),
relationship VARCHAR2 (10),
phtype VARCHAR2 (10),
Phone NUMBER
);
insert into xxc_contact values (123456, 'Rick Grimes', 'SP', 'Cell', 9999999999)
insert into xxc_contact values (123456, 'Rick Grimes', 'SP', 'Work', 8888888888)
insert into xxc_contact values (123457, 'Daryl Dixon', 'EN', 'Work', 7777777777)
insert into xxc_contact values (123457, 'Daryl Dixon', 'EN', 'Home', 3333333333)
insert into xxc_contact values (123456, 'Maggie Greene', 'CH', 'Cell', 9999999999)
insert into xxc_contact values (123456, 'Maggie Greene', 'CH', 'Home', 9999999999)
expected result:
EmpNum AlternateContact Relationship PhType Phone
123456 rick Grimes SP cell 9999999999
Daryl Dixon EN work 7777777777 123457
Home 123458 Maggie Greene CH 6666666666
Thanks in advance.

994122 wrote:

Thank you all, that I got a result

http://www.orafaq.com/Forum/m/620305/#msg_620305

By Lalit Kumar B...

Specifically, the two simple solutions provided were:

1 using the row_number, entitled Oracle ranking based on descending order of the inside telephone each empnum group. And finally selects the lines which has least rank (of least since that order is descending for phone).

SQL > column alternatecontact format A20;

SQL >

SQL > SELECT empnum, alternatecontact, relationship, phtype, phone

2 from (SELECT a.*, row_number() over r (PARTITION BY empnum ORDER BY phone / / DESC))

3 FROM xxc_contact one)

4. WHEN r = 1

/

EMPNUM ALTERNATECONTACT RELATIONSHIP PHTYPE PHONE

---------- -------------------- ---------- ---------- ----------

123456 rick Grimes SP cell 9999999999

Daryl Dixon EN work 7777777777 123457

Home 123458 Maggie Greene CH 6666666666

2. with the help of MAX, Oracle automatically assigns the maximum phone for all the rows in each group of empnum. And finally selects the rows with the maximum phone. Order by clause is omitted here intentionally. You can find out why.

SQL > SELECT empnum, alternatecontact, relationship, phtype, phone

2 (SELECT a.*, MAX (phone) over (PARTITION BY empnum) rn FROM xxc_contact one)

3 WHERE phone = rn

4.

EMPNUM ALTERNATECONTACT RELATIONSHIP PHTYPE PHONE

---------- -------------------- ---------- ---------- ----------

123456 rick Grimes SP cell 9999999999

Daryl Dixon EN work 7777777777 123457

Home 123458 Maggie Greene CH 6666666666

Kind regards

Lalit

Need help to write the SQL query
Hello
Please help me to write a query. My requirement is as below.

Hello
I have a table say XYZ in the following format.

product_id local min_order_quntity
========================================
1 en 10
1 ch 10
2 en 20
2 ch 20
3 en 30
3 ch 30
4 en 40
4 NC 10

Now I want to find the product_id where min_order_quantity is different for cn and locale

now I want the result of the following

product_id local min_order_quantity
=============================================
4 en 40
4 ch 10

This is different for local in and cn for product_id 4 min_order_quantity

min_order_quantity should be the same for both the locale(en,ch) for any product_id.

I want to find the product_id where min_order_quantity is different for ch and fr local

Thank you..
Hello

This query should do the job
```
select * from xyz t1
where exists ( select 1 from xyz t2 where t2.product_id = t1.product_id and
               t2.locale != t1.locale and t2.min_order_quantity != t1.min_order_quantity );
```
See you soon

How can I write the SQL for this result?
Hello my dear,
Here first of all the script.
```
CREATE TABLE ACC_TEST(
AD_ID NUMBER,
AD_NAME VARCHAR2(50),
AD_SPM_ID NUMBER);
/
```
the data are
```
Insert into ACC_TEST (AD_ID,AD_NAME,AD_SPM_ID) values (136,'Saleh Ahmed',129);
Insert into ACC_TEST (AD_ID,AD_NAME,AD_SPM_ID) values (142,'Hamidur Rahman',136);
Insert into ACC_TEST (AD_ID,AD_NAME,AD_SPM_ID) values (124,'Jasim Uddin',null);
INSERT INTO ACC_TEST (AD_ID,AD_NAME,AD_SPM_ID) VALUES (129,'Sazib',124);
```
I need the following result, when passing a value of Ad_Id. For example I go to 142 then result must be
```
Select Ad_Id,Ad_Name
From..
...
where ad_id=142

Ad_Id   Ad_Name
136     Saleh Ahmed
129     Sazib
124     Jasim Uddin

If I Pass Ad_Id=136 Then Result Should Be
Ad_Id   Ad_Name
129     Sazib
124     Jasim Uddin


If I Pass Ad_Id=129 Then Result Should Be
Ad_Id   Ad_Name
124     Jasim Uddin 
```
Database 10 G XE

Any help will be useful
Hello

HamidHelal wrote:
WoW! You are totally my point. How do you understand that? l

Guess luck. Guessing is generally not the best way to solve problems. It is generally faster and more reliable to say exactly what you want, as well as give an example.

fallen little more that I want to know, if I want to restrict the output not more then 2, which would be sql?

Now, you're not even giving for example!
Maybe you want something like this:
```
SELECT     ad_id
,     ad_name
FROM     acc_test
WHERE     LEVEL     BETWEEN 2 AND 3          -- Changed
START WITH     ad_id     = :target_ad_id
CONNECT BY     ad_id     = PRIOR ad_spm_id
;
```
which will show just the mother and grandmother of the given line.

I work with the developer of forms a lot. Knowledge of SQL is like sql oracle (9i cerfitication) book. But this type of sql is not available here.
where can I learn this type of sql? SQL different then regular?

Certification is another matter entirely.
There are books and web sites dealing with more advanced techniques. Sorry, I don't know any good enough to recommend. Some authors (such as Tom Kyte) are always good.

Here are a few sites that explain CONNECT BY queries:
http://www.adp-GmbH.ch/ora/SQL/connect_by.html
http://www.oradev.com/connect_by.jsp

Please send me selection for the following query statement...
FOR I IN 1.9 LOOP
IF shift (i) IS NULL THEN
FOR y IN i + 1.9 LOOP
IF shift (y) IS NOT NULL THEN
(I) shift: shift = (y);
Shift (y): = NULL;
EXIT;
END IF;
END LOOP;
END IF;
END LOOP;

Please how to write the select query to replace the lines of code above
Please proceed here complete and this code did SHIFT here.

How to write the select query for it

Hello
I had an html form and the area I drop down and he needs to select several values in the drop-down box. When I select multiple values then I have to write the query to SQL select statement.
When I try to write the select statement and trying to run I get the error message.
Select * from Table
where emo_no = '1,2,3 '.
That's how I write the query please suggest me how to write the query to select several values in the drop-down box.
Thank you

Use the keyword sql 'in '. If you don't know how, I've heard good things about the book Teach Yourself SQL in 10 Minutes by Ben Forta.

How to write a query for the data exchange between two columns?
How to write a query for the data exchange between two columns?

I tried a request, does NOT work.
```
update tmp t1 set t1.m1=t1.m2 and t1.m2=(select t2.m1 from tmp t2 where t2.student_id = t1.student_id)
```
Thank you.

Published by: user533361 on October 23, 2009 14:04
Just plain and simple:
```
update tmp t1
 set t1.m1=t1.m2,
     t1.m2=t1.m1
/
```
SY.

Subscriber	IMSI	imsi_rank
1	12321	1
1	2312341	2
1	332442	3
1	342	4
1		5
2	23213	1
2	12321	2
2	12312	3
2		4
2		5

Subscriber	IMSI	imsi_rank
1	12321	1
1	342	2
1		3
1		4
1		5
2	23213	1
2	12321	2
2	12312	3
2		4
2		5

Need help with SQL for the following logic.

I have a table with 3 columns and the following data:
DATE NAME S_NO
1 ABC1 JANUARY 1, 2001
1 ABC2 JANUARY 10, 2001
1 ABC3
1 ABC4
ABC1 2 1 DECEMBER 2010
ABC2 2
2 ABC3 DECEMBER 10, 2010
2 ABC4 DECEMBER 5, 2010
3 XYZ1 FEBRUARY 1, 2001
3 XYZ2 FEBRUARY 2, 2001

I need to retrieve the value of NAME for each S_NO corresponding to the maximum DATE. In the above example, it will be:
1 ABC2
2 ABC3
3 XYZ2

/* Formatted on 9/10/2012 2:50:13 PM (QP5 v5.139.911.3011) */
WITH t AS (SELECT 1 S_NO, 'ABC1' NAME, '1-JAN-2001' dt FROM DUAL
           UNION ALL
           SELECT 1, 'ABC2', ' 10-JAN-2001' FROM DUAL
           UNION ALL
           SELECT 1, 'ABC3', NULL FROM DUAL
           UNION ALL
           SELECT 1, 'ABC4', NULL FROM DUAL
           UNION ALL
           SELECT 2, 'ABC1', '1-DEC-2010' FROM DUAL
           UNION ALL
           SELECT 2, 'ABC2', NULL FROM DUAL
           UNION ALL
           SELECT 2, 'ABC3', '10-DEC-2010' FROM DUAL
           UNION ALL
           SELECT 2, 'ABC4', '5-DEC-2010' FROM DUAL
           UNION ALL
           SELECT 3, 'XYZ1', '1-FEB-2001' FROM DUAL
           UNION ALL
           SELECT 3, 'XYZ2', '2-FEB-2001' FROM DUAL)
SELECT *
  FROM (SELECT S_NO,
               name,
               RANK ()
               OVER (PARTITION BY s_no
                     ORDER BY TO_DATE (dt, 'dd-mon-yyyy') DESC)
                  rk
          FROM t
         WHERE dt IS NOT NULL)
 WHERE 1 = RK

Query using SQL for the agenda of the source page does not value populated insert
Display as: text field
Type of page element: query SQL
Value Expression: select sysdate double

Element of the page is 'UPDATE_DATE '.

The goal is to 'automatically fill the box' this field with sysdate to the user has to when you complete the form. Problem is that it is automatically generated and I can even see the value when I click on the Sessions, however, when I click on CREATE to insert the row, he returned, "ORA-01400: cannot insert NULL in...» »
Hello

Apart from "Type of Source should be the column of database and the Source value must be the name of a column of a table.", you can also use the default: SYSDATE as a PL/SQL Expression

Greetings,
Roel
http://roelhartman.blogspot.com/
You can reward this response in marking it as useful or Correct ;-)

write the query sql for the following situation?

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