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15 Μαρ 2010 · 16 Answers. Sorted by: 528. That syntax isn't valid in Oracle. You can do this: UPDATE table1 SET table1.value = (SELECT table2.CODE. FROM table2 . WHERE table1.value = table2.DESC) WHERE table1.UPDATETYPE='blah'
10 Φεβ 2022 · For example, this string contains the possible date 1 Jan 2022, but is prefixed by 99: select regexp_substr ( '9901012022', '[0-9]{8}' ) from dual; REGEXP_S -------- 99010120 So the regex returns the start which is an invalid date.
27 Δεκ 2023 · Before diving into complex examples, let's understand the basic syntax of an update with a join operation in Oracle: sql UPDATE table1 SET table1.target_column = (SELECT table2.source_column FROM table2 WHERE table1.join_column = table2.join_column) WHERE EXISTS (SELECT 1 FROM table2 WHERE table1.join_column = table2.join_column); In the above ...
24 Μαΐ 2017 · Usually, when you need to join multiple tables in an UPDATE, MERGE is the solution. merge into address a1 using ( select p.address_fk, ta2.tempaddress1 from premise p join account ac on (ac.id = p.account_fk) join tempaddresstable ta2 on (ac.ext_ref = ta2.tempextref) ) ta1 on (a1.id = ta1.address_fk) when matched then update set a1.address1 ...
19 Φεβ 2015 · SELECT * FROM PERSON p. INNER JOIN CONTACT on CONTACT.PERSON_ID = p.PERSON_ID. WHERE CONTACT.CURRENT_YEAR_ID = (. SELECT CURRENT_YEAR_ID FROM CURRENT_YEAR WHERE DEFAULT_YEAR = 1. ); Tried another variant : UPDATE CONTACT. SET CONTACT.PHONE = p.PHONE, CONTACT.FAX = p.FAX.
This Oracle tutorial explains how to use the Oracle UPDATE statement with syntax, examples, and practice exercises. The Oracle UPDATE statement is used to update existing records in a table in an Oracle database. There are 2 syntaxes for an update query in Oracle.
Here is how you set the date and time: update user set expiry_date=TO_DATE('31/DEC/2017 12:59:59', 'dd/mm/yyyy hh24:mi:ss') where id=123;
