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日期:2024-07-15
This Oracle tutorial explains how to use the Oracle UPDATE statement with
syntax, ... UPDATE table1 SET column1 = (SELECT expression1 FROM table2 ......
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日期:2024-07-13
UPDATE table1 t1 SET (name, desc) = (SELECT t2.name, t2.desc ..... How do
you write a pl sql script that iterates finds a previous version of all ......
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日期:2024-07-08
I know there is no Update-Join statement in PL/SQL. I used to ... PK ) WHERE
EXISTS ( SELECT * FROM Alex_Table2 t2 WHERE t2.PK = t1....
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日期:2024-07-10
you could generate an Oracle VARRAY and pass in your keys in a batch. your
procedure could iterate over the VARRAY and update the table....
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日期:2024-07-09
In Oracle you can sometimes update a join if the tables are "key-preserved", ie:
UPDATE (SELECT a.val_a, b.val_b FROM table a JOIN table b ......
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日期:2024-07-14
4 Mar 2009 ... UPDATE: Update from a SELECT statement - Update based on results of a
SELECT statement....
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日期:2024-07-10
2 Mar 2009 ... UPDATE temp_mc_bucket_details a SET (bucket1) = (SELECT bucket1 FROM
temp b WHERE a.customer_id = b.customer_id AND bucket1 IS ......
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日期:2024-07-13
2010年6月10日 ... UPDATE table1 aSET table1_column = (SELECT table2_column FROM
table2WHERE ID = a.ID)...