Update a table using the clause
Hello
I want to update a table using the selected values.
Cases in the sample:
create table as empsalary)
Select 1 as empid, 0 in the wages of all the double union
Select option 2, the double 0);
Data update are as follows
with saldata as
(
Select 1 as empid, 5000 as wages, 500 as double pf
Union of all the
Select option 2, 10000,1000 like double pf
)
Select empid, salary saldata
I tried the following query but does not work
updated set of empsalary table (empid, salary) =
(
Select * from)
with saldata as
(
Select 1 as empid, salary, 500 5000 as pf Union double all the
Select option 2, 10000,1000 like double pf
)
Select empid, salary saldata
) sl
where sl.empid = empsalary.empid
)
I use oracle 10g.
Help, please.
Krishna Devi wrote:
Hello
I want to update a table using the selected values.
Cases in the sample:
create table as empsalary)
Select 1 as empid, 0 in the wages of all the double union
Select option 2, the double 0);
Data update are as follows
with saldata as
(
Select 1 as empid, 5000 as wages, 500 as double pf
Union of all the
Select option 2, 10000,1000 like double pf
)
Select empid, salary saldata
I tried the following query but does not work
updated set of empsalary table (empid, salary) =
(
Select * from)
with saldata as
(
Select 1 as empid, salary, 500 5000 as pf Union double all the
Select option 2, 10000,1000 like double pf
)
Select empid, salary saldata
) sl
where sl.empid = empsalary.empid
)
I use oracle 10g.
Help, please.
Thanks for posting creates table and test data.
The error message would have helped because it's pretty obvious that this is the problem:
Update table empsalary
*
ERROR on line 1:
ORA-00903: invalid table name
Just remove the word "table".
Tags: Database
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model 15
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(20)
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I need to update the Tot_items column with the number of distinct elements which is held within each groupid.GROUPID ITEMS_1 ITEMS_2 ITEMS_3 TOT_ITEMS SEQNO ---------- ---------- ---------- ---------- -------------------------------------------------- ---------- 10001 12 13 121316 123456 10001 12 16 121316 123457 10002 123458 10003 13 13 123459 10003 13 13 123460 10003 13 13 123461 10004 11 13 11131214 123462 10004 12 11131214 123463 10004 13 14 11131214 123464
The ideas people?
Thanks in advance.Lack OP wants ordered items:
merge into testtab10 a using ( with t as ( select rowid rid, listagg(items_1 || ',' || items_2 || ',' || items_3,',') within group (order by seqno) over(partition by groupid) items from testtab10 ) select rid, xmlquery( 'string-join(for $n in distinct-values(ora:tokenize($str,",")) order by xs:integer($n) return $n,",")' passing ',' || items as "str" returning content ) tot_items from t ) b on (a.rowid = b.rid) when matched then update set a.tot_items = b.tot_items / 9 rows merged. SQL> select * 2 from testtab10 3 / GROUPID ITEMS_1 ITEMS_2 ITEMS_3 TOT_ITEMS SEQNO ---------- ---------- ---------- ---------- -------------------- ---------- 10001 12 13 12,13,16 123456 10001 12 16 12,13,16 123457 10002 123458 10003 13 13 123459 10003 13 13 123460 10003 13 13 123461 10004 11 13 11,12,13,14 123462 10004 12 11,12,13,14 123463 10004 13 14 11,12,13,14 123464 9 rows selected. SQL>SY.
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Mod_user handling in a table using the trigger
Hello
I have a table with two columns value ' test' and the mod_user. Currently, the table has a before Update trigger to update the mod_user as a user of the system
Now, I need to change the trigger to meet the criteria below
(1) in an update statement if I manually put the mod_user, then it should be updated such as defined in the update statement.
For example:
UPDATE test
Value = 1,
mod_user = "xyz".
WHERE value = 4;
In the scenario above mod_user should be updated to "xyz" in the table
(2) if I don't talk to any term set for mod_user, the default windows user should be changed in the table.
UPDATE test
Value = 1
WHERE value = 4;
In the scenario above mod_user should be updated as a user of windows in the table
The trigger statement, I used doesn't seem to work.
CREATE OR REPLACE TRIGGER t_mod_test
BEFORE the UPDATE OF value WE test
FOR EACH LINE
BEGIN
: new.mod_user: = NVL (SYS_CONTEXT ('USERENV', 'OS_USER'), USER);
END;
Any suggestions on how I can do the work of scenario would be very appreciated.
Thanks in advance
DASIt looks like you want something like
SQL> create table test( 2 value number, 3 mod_user varchar2(100) 4 ); Table created. SQL> create or replace trigger t_mod_test 2 before update on test 3 for each row 4 begin 5 if( updating( 'MOD_USER' ) ) 6 then 7 null; 8 else 9 :new.mod_user := NVL( sys_context('USERENV', 'OS_USER') 10 ,user ); 11 end if; 12 end; 13 / Trigger created. SQL> ed Wrote file afiedt.buf 1 create or replace trigger t_mod_test 2 before update on test 3 for each row 4 begin 5 if( not updating( 'MOD_USER' ) ) 6 then 7 :new.mod_user := NVL( sys_context('USERENV', 'OS_USER') 8 ,user ); 9 end if; 10* end; SQL> / Trigger created. SQL> insert into test values( 4, 'xyz' ); 1 row created. SQL> update test 2 set value = 1 3 ,mod_user = 'abc' 4 where value = 4; 1 row updated. SQL> select * from test; VALUE MOD_USER ---------- ---------- 1 abc SQL> update test 2 set value = 2 3 where value = 1; 1 row updated. SQL> select * from test; VALUE ---------- MOD_USER ------------------------------------------------------------------------------ 2 JCAVEDDBC64\jcave SQL>Justin
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