any case when and the sql clause

Hello:
What follows is my sql clause:
SELECT T.*, b.name
OF dbtest1 t
LEFT OUTER JOIN dbtest b ON t.NO = b.empno
WHERE t.ChineseName like '% "| : ChineseName | ' %' AND b.name like "%" | : name | » %'
ORDER BY t.ChineseName

The main problem is that I want to check the b.name if it is null, it can be passed as function NVL, so I try using case when, but it does not work.
When there are the b.name in where clause, the columns of result will not include data without b.name (or implies the b.name is NULL); And that
the result data are not entirely accurate.
is it possible to use the case when it is implemented in the following code snippet:

-case when b.name is not NULL then b.name like "%" | : name | » %'
Else b.name = NULL (b.name = b.name does not seem to work on the analysis of data zero)
end

Thank you very much.

962769 wrote:
The main problem is the table is the form of the cross, and the like clause will filter the
data without a name. Basically, it should show the empty columns, however, it won't.
so, when I test the sql code, I fhound Like "%" | b.Name | ' %' will not get the data when the original dbtest1 table data
has no id corresponding to the BD test. It seems pointless to go the LEFT OUTER JOIN.

Thank you

WHERE t.ChineseName like '%'||:ChineseName||'%'
AND  (
        b.name like '%'||:name||'%'
       or b.empno is null
    )

Tags: Database

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Tuning - using the CASE statement in the WHERE clause of the query

Hi all

My request has been changed to use a CASE statement in the WHERE clause to examine the data to some columns based on a parameter value. This modified request is made a full table and constantly running scan. Please suggest what can be done to improve its performance:

Query:

SELECT LAST_DAY(TRUNC(TO_TIMESTAMP(os.requestdatetime, 'yyyymmddhh24:mi:ss.ff4'))) AS summary_date,
os.acctnum,
os.avieworigin_refid,
COUNT(1) cnt_articleview,
SUM(NVL(autocompletedterm,0)) cnt_autocompletedterm
FROM TABLE1 os
WHERE os.acctnum IS NOT NULL
AND os.avieworigin_refid IS NOT NULL
AND os.requestdatetime IS NOT NULL
AND UPPER(os.success_ind) = 'S'

AND CASE WHEN
Param_ValueToCheck  = 'FULL' AND get_date_timestamp(os.requestdatetime)  BETWEEN 
TO_DATE('01-MAY-2011 00:00:00','DD-MON-YYYY HH24:MI:SS') AND
TO_DATE('31-MAY-2011 00:00:00','DD-MON-YYYY HH24:MI:SS')
THEN 1
WHEN
Param_ValueToCheck  = 'INCR' AND os.entry_createddate  BETWEEN 
TO_DATE('01-MAY-2011 00:00:00','DD-MON-YYYY HH24:MI:SS') AND
TO_DATE('31-MAY-2011 00:00:00','DD-MON-YYYY HH24:MI:SS')
THEN 1
END = 1
AND CASE WHEN
Param_ValueToCheck  = 'FULL' AND os.entry_CreatedDate BETWEEN 
TO_DATE('01-APR-2011 00:00:00','DD-MON-YYYY HH24:MI:SS') AND
TO_DATE('07-JUN-2011 00:00:00','DD-MON-YYYY HH24:MI:SS')
THEN 1
WHEN
Param_ValueToCheck  = 'INCR' THEN 1
END = 1
GROUP BY LAST_DAY(TRUNC(TO_TIMESTAMP(os.requestdatetime, 'yyyymmddhh24:mi:ss.ff4'))), os.acctnum,os.avieworigin_refid;

Description of the table:
(Number of lines: approx. > amount 600 000 000)

Name                           Null     Type       
------------------------------ -------- ------------
ARTICLEID                      NOT NULL NUMBER(20) 
USERKEY                                 NUMBER(10) 
AVIEWORIGIN_REFID                       VARCHAR2(10)
SUCCESS_IND                             VARCHAR2(2)
ENTRY_CREATEDDATE                       DATE       
CREATED_BY                              VARCHAR2(10)
FILENUMBER                              NUMBER(10) 
LINENUMBER                              NUMBER(10) 
ACCTNUM                                 VARCHAR2(10)
AUTOCOMPLETEDTERM                       NUMBER(2)  
REQUESTDATETIME                         VARCHAR2(19)

Explain Plan

SQL> select * from table(dbms_xplan.display);

PLAN_TABLE_OUTPUT
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Plan hash value: 2224314832

----------------------------------------------------------------------------------------------------------
| Id  | Operation            | Name              | Rows  | Bytes | Cost (%CPU)| Time     | Pstart| Pstop |
----------------------------------------------------------------------------------------------------------
|   0 | SELECT STATEMENT     |                   |   590 | 33040 |  2501K  (1)| 08:20:15 |       |       |
|   1 |  HASH GROUP BY       |                   |   590 | 33040 |  2501K  (1)| 08:20:15 |       |       |
|   2 |   PARTITION RANGE ALL|                   |   590 | 33040 |  2501K  (1)| 08:20:15 |     1 |1048575|
|*  3 |    TABLE ACCESS FULL | TABLE1 |   590 | 33040 |  2501K  (1)| 08:20:15 |     1 |1048575|
----------------------------------------------------------------------------------------------------------


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

   3 - filter(UPPER("OS"."SUCCESS_IND")='S' AND CASE  WHEN ('FULL'='FULL' AND
              "OS"."ENTRY_CREATEDDATE">=TO_DATE(' 2011-04-01 00:00:00', 'syyyy-mm-dd hh24:mi:ss') AND
              "OS"."ENTRY_CREATEDDATE"<=TO_DATE(' 2011-06-07 00:00:00', 'syyyy-mm-dd hh24:mi:ss')) THEN 1 WHEN
              'FULL'='INCR' THEN 1 END =1 AND "OS"."REQUESTDATETIME" IS NOT NULL AND CASE  WHEN ('FULL'='FULL'
              AND "ODS"."GET_DATE_TIMESTAMP"("REQUESTDATETIME")>=TO_DATE(' 2011-05-01 00:00:00', 'syyyy-mm-dd
              hh24:mi:ss') AND "ODS"."GET_DATE_TIMESTAMP"("REQUESTDATETIME")<=TO_DATE(' 2011-05-31 00:00:00',
              'syyyy-mm-dd hh24:mi:ss')) THEN 1 WHEN ('FULL'='INCR' AND "OS"."ENTRY_CREATEDDATE">=TO_DATE('
              2011-05-01 00:00:00', 'syyyy-mm-dd hh24:mi:ss') AND "OS"."ENTRY_CREATEDDATE"<=TO_DATE('

PLAN_TABLE_OUTPUT
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
              2011-05-31 00:00:00', 'syyyy-mm-dd hh24:mi:ss')) THEN 1 END =1 AND "OS"."ACCTNUM" IS NOT NULL AND
              "OS"."AVIEWORIGIN_REFID" IS NOT NULL)

Published by: Chaitanya on June 9, 2011 02:44

Published by: Chaitanya on June 9, 2011 02:47

When it is executed individually, MERGE LOGIC 1 and LOGIC of MERGE 2 take about ten for a daterange of 30 days data.

BUT FULL is to get the scores of APR - JUN, INCR becomes partitions for MAY so not both 30 days.
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I won't be here but Microsoft seems very happy sending me on the prosecution of the wild goose, and here I landed! I didn't even know that Microsoft had a band, probably not my music a little... In any case, it is the second shortcut of Microsoft which is supposed to take me to the "Windows 7 Compatibility Center. The first, in the Windows help sent me to http://windows.microsoft.com/en-us/windows/support#1TC=windows-7. Not a mention of the word "compatibility" on the page anywhere. Then, enter 'compatibility' in the search for support and here is the result, looks promising. https://www.microsoft.com/en-us/search/result.aspx?q=compatibility. But no, I click on the first result that says Microsoft compatibility Center. Even what seems to be the correct web address, microsoft.com /compatibility and it takes me here http://www.microsoft.com/microsoft-band/en-us/support/hardware/microsoft-band-system-requirements. I give up!

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case statement and the problem posed by the...

Hello..

Here is the code I use in my pl/sql anonymous block:

DECLARE

 X555 NUMBER;

 P1_X2 varchar2(10) := to_char(sysdate, 'dd.mm.yyyy');
 
BEGIN

case 

when 
P1_X2 = to_char('sunday') 
then
SELECT COUNT(*) into X555 FROM biwh.ORGANIZ Tbl 
 WHERE SAM_FORMA IN ('16') and IDEN_N_TAR in to_date(/*:*/P1_X2, 'dd.mm.yyyy')-3;

else

SELECT COUNT(*) into X555 FROM biwh.ORGANIZ Tbl 
 WHERE SAM_FORMA IN ('16') and IDEN_N_TAR in to_date(/*:*/P1_X2, 'dd.mm.yyyy')-1;
end case;

dbms_output.put_line(X555);

end;

I want to do something like this:
If it's Sunday, leave this part of the labour code:

SELECT COUNT(*) into X555 FROM biwh.ORGANIZ Tbl 
 WHERE SAM_FORMA IN ('16') and IDEN_N_TAR in to_date(/*:*/P1_X2, 'dd.mm.yyyy') -3;

can you tell me the correct syntax of the code? where did I did mystake?

SRY for my English...

 P1_X2 varchar2(10) := to_char(sysdate, 'dd.mm.yyyy');

BEGIN

case 

when
P1_X2 = to_char('sunday')

In the light of the foregoing, you set P1_X2 to a string value that resembles '05.10.2009' and then try to compare it to a string that looks like "Sunday".

I'd be tempted to define P1_X2 as a DATE, then check against that for example

  p1_x2 DATE := trunc(SYSDATE);

BEGIN

 CASE TO_CHAR(p1_x2,'fmday')
    WHEN 'sunday' THEN
      SELECT COUNT(*)
      INTO   x555
      FROM   biwh.organiz tbl
      WHERE  sam_forma IN ('16')
      AND    iden_n_tar = p1_x2 - 3;

    ELSE

      SELECT COUNT(*)
      INTO   x555
      FROM   biwh.organiz tbl
      WHERE  sam_forma IN ('16')
      AND    iden_n_tar = p1_x2 - 1;
  END CASE;

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You could go further and have a single query that moves from the "cause" of the where clause:

      SELECT COUNT(*)
      INTO   x555
      FROM   biwh.organiz tbl
      WHERE  sam_forma IN ('16')
      AND    iden_n_tar = p1_x2 - CASE TO_CHAR(p1_x2,'fmday')
                                                  WHEN 'sunday' THEN 1
                                                  ELSE 3
                                               END;

Case statement in the SQL Query prompt dashboard

Hi Experts,
I use the following case statement to generate default values in the prompt dashboard based on a condition (the other guest-generated values). Below are two of the query I've tried and the syntax error. I tried all the possibilities (like giving apostrophes, double quotes, don't quote not etc.), but could not understand the question. Don't know what exactly I'm missing here.
Query 1:
SELECT
CASE
WHEN @{PRType} = monthly THEN 'Participant pay '. "" Amount of PayRate "="15000"
WHEN @{PRType} = daily THEN 'Participant pay '. "" Amount of PayRate "="650"
WHEN @{PRType} = hourly THEN 'Participant pay '. "" Amount of PayRate "="1"
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WHEN @{PRType} = monthly THEN "15000"
WHEN @{PRType} = daily THEN "650"
@{PRType} = schedule THEN '1'
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This is the query that is generated in the log with error message file.
1 log message:
```
SELECT CASE WHEN Hourly = Monthly THEN "Participant Payroll"."Payrate Amount" = '15000' WHEN Hourly = Daily THEN "Participant Payroll"."Payrate Amount" = '650' WHEN Hourly = Hourly THEN "Participant Payroll"."Payrate Amount" = '1' ELSE '0' END FROM "PA-Participant Payroll"
```
State: HY000. Code: 10058. [NQODBC] [SQL_STATE: HY000] [nQSError: 10058] A general error occurred. [nQSError: 43113] The message returned by OBIS. [nQSError: 27002] Near <>=: Syntax error [nQSError: 26012]. (HY000)

Comment 2:
```
;CASE WHEN To_Char (Hourly) = 'Hourly' THEN 1 ELSE 0 END 
```
State: HY000. Code: 10058. [NQODBC] [SQL_STATE: HY000] [nQSError: 10058] A general error occurred. [nQSError: 43113] The message returned by OBIS. [nQSError: 27002] Near <>(): syntax error [nQSError: 26012]. (HY000)

Sorry, I wasn't clear... you must always put this CASE statement in a valid SQL SELECT statement.

SELECT

CASE

When ' @{PRType}' = 'Monthly' THEN '15000'

When ' @{PRType}' = 'Daily' THEN '650'

ELSE '0' END

OF 'PA-Participant pay. '

Syntax of UPDATE of Oracle with the JOIN and the WHERE clause

I need to update one of my paintings and can't seem to get the syntax right. I tried 4 different approaches, but does not have a chance. Any help would be greatly appreciated.
Attempt #1: Error: not correctly completed SQL command
UPDATE TESTDTA.F4941 SET TESTDTA.F4941.RSDSTN=TESTDTA.F4981.FHRTDQ,TESTDTA.F4941.RSUMD1=TESTDTA.F4981.FHUOM FROM TESTDTA.F4941 INNER JOIN TESTDTA.F4981 ON TESTDTA.F4941.RSSHPN = TESTDTA.F4981.FHSHPN WHERE TESTDTA.F4941.RSSHPN = 647143 AND TESTDTA.F4941.RSDSTN = 0 AND TESTDTA.F4941.RSADDJ > 110365 AND TESTDTA.F4981.FHCGC1 = 'DIS';
Try #2: Error report: SQL error: ORA-00904: "TESTDTA." "" F4981 ". "' FHUOM ': invalid identifier 00904. 00000 - '% s: invalid identifier '.
UPDATE (SELECT TESTDTA.F4941 FROM TESTDTA.F4941 INNER JOIN TESTDTA.F4981 ON TESTDTA.F4941.RSSHPN = TESTDTA.F4981.FHSHPN WHERE TESTDTA.F4941.RSSHPN = 647143 AND TESTDTA.F4941.RSDSTN = 0 AND TESTDTA.F4941.RSADDJ > 110365 AND TESTDTA.F4981.FHCGC1 = 'DIS') SET TESTDTA.F4941.RSDSTN=TESTDTA.F4981.FHRTDQ,TESTDTA.F4941.RSUMD1=TESTDTA.F4981.FHUOM

Try #3: Error report: SQL error: ORA-00904: "TESTDTA." "' F4941 ': invalid identifier 00904. 00000 - '% s: invalid identifier '.
UPDATE (SELECT * FROM TESTDTA.F4941 INNER JOIN TESTDTA.F4981 ON TESTDTA.F4941.RSSHPN = TESTDTA.F4981.FHSHPN WHERE TESTDTA.F4941.RSSHPN = 647143 AND TESTDTA.F4941.RSDSTN = 0 AND TESTDTA.F4941.RSADDJ > 110365 AND TESTDTA.F4981.FHCGC1 = 'DIS') SET TESTDTA.F4941.RSDSTN=TESTDTA.F4981.FHRTDQ,TESTDTA.F4941.RSUMD1=TESTDTA.F4981.FHUOM;

Try #4: Error: ORA-00925: Missing keyword 00925. 00000 - "missing IN the keyword"
MERGE TESTDTA.F4941 USING TESTDTA.F4981 ON (TESTDTA.F4941.RSSHPN = TESTDTA.F4981.FHSHPN AND TESTDTA.F4941.RSSHPN = 647143 AND TESTDTA.F4941.RSDSTN = 0 AND TESTDTA.F4941.RSADDJ > 110365 AND TESTDTA.F4981.FHCGC1 = 'DIS' ) WHEN MATCHED THEN UPDATE SET TESTDTA.F4941.RSDSTN=TESTDTA.F4981.FHRTDQ ,TESTDTA.F4941.RSUMD1=TESTDTA.F4981.FHUOM;

Finally managed to do work, adding DISTINCT to select. I have pasted the SQL error in Google to begin with. Laughing out loud!

Code snippet work for anyone who comes across this thread...

MERGE INTO TESTDTA. F4941 DST

USING (SELECT DISTINCT TESTDTA. F4941. RSSHPN,

TESTDTA. F4941. RSDSTN,

TESTDTA. F4941. RSUMD1,

TESTDTA. F4941. RSADDJ,

TESTDTA. F4981. FHSHPN,

TESTDTA. F4981. FHRTDQ,

TESTDTA. F4981. FHUOM,

TESTDTA. F4981. FHCGC1

OF TESTDTA. F4941

JOIN INTERNAL TESTDTA. F4981

ON TESTDTA. F4941. RSSHPN = TESTDTA. F4981. FHSHPN

WHERE - TESTDTA. F4941. RSSHPN = 647143 AND

TESTDTA. F4941. RSDSTN = 0

AND TESTDTA. F4941. RSADDJ > 110365

AND TESTDTA. F4981. FHCGC1 = 'SAY') CBC

on (DST. RSSHPN = SRC. FHSHPN)

When matched then update

SET DST. RSDSTN = SRC. FHRTDQ, SUMMER TIME. RSUMD1 = SRC. FHUOM;

Thanks to everyone who helped with this.

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Denes Kubicek
-------------------------------------------------------------------
http://deneskubicek.blogspot.com/
http://www.Apress.com/9781430235125
http://Apex.Oracle.com/pls/Apex/f?p=31517:1
http://www.Amazon.de/Oracle-Apex-XE-Praxis/DP/3826655494
-------------------------------------------------------------------

vCenter installed on a virtual machine and the SQL DB on the physical server?

All the
I'll run a VM on vCenter. A question... It is noticed that the best practice not to have the SQL Databsase(Sql 2005) on the virtual computer
but the DB on a physical server with an ODBC connection from the virtual machine. My client will not fail to ask - why, I can't give a clear
answer to the question.
If I can someone state why it is better practice to have the SQL DB on a physical server?
Thank you!!!

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http://www.VMware.com/files/PDF/SQLServerWorkloads.PDF

I hope that helps a little...

Please consider awarding points by scoring responses like 'proper' or 'helpul.

=========================================================================

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any case when and the sql clause

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