oracle Update a table with data from another table UPDATEtable1 t1SET(name,desc)=(SELECTt2.name, t2.descFROMtable2 t2WHEREt1.id=t2.id)WHEREEXISTS(SELECT1FROMtable2 t2WHEREt1.id=t2.id ) Assuming thejoinresultsinakey-preservedview, you could alsoUPDATE(SELECTt1.id, t1.name name1, t...
This blog post illustrates how to update more than one column in a table with values from columns in another table and explains how to do it in the three RDBMS that we support. Table Structures and values: TableA has four columns: a, b, c, d (a is the primary key column) TableB ...
UPDATEtable1 t1SET(name,desc)=(SELECT, t2.descFROMtable2 t2WHERE=)WHEREEXISTS(SELECT1FROMtable2 t2WHERE=) Assuming thejoinresultsinakey-preservedview, you could alsoUPDATE(SELECT, name1, t1.descdesc1, name2, t2.descdesc2FROMtable1 t1, table2 t2WHERE=)SETname1=name2, desc1=desc2 2....
and Table2.siteid = Table1.siteid ) set newhrc = oldhrc If you get an non-key preserveed error when running the above you can't do it this way. No matter. It's a bit difficult to second guess update statements when you dont know whats in the tables and it would be helpful if...
The table has many columns, and it would be tedious to have to add them all individually. Is there a way to simply update catalogue from temp_catalogue all in one go? I tried SET catalogue.* = temp_catalogue.* but that didn't work, and leaving out the column (SET catalogue = ...
oracle的在sql语句后加for update 不是都起作用的,对于单表是可以的,但是对于多表关联(无论left join还是内连接等)都不能修改 有readonly标志。 但是再试左连接,又好使了,又可以编辑了,真实奇怪。 update这个东西,我现在还没有完全掌握,如果update不好使,就取得id后,单表去for update吧,单表肯定是可以的。.....
@@ServerName returns wrong value in SQL SERVER 2008 ##TempTable and INSERT-SELECT FROM an existing Table with an IDENTITY column %rowtype equivalent in SQL server ++ operator in TSQL - bug or feature? 2 tables referencing each other using foreign key.is it possible 2 transactions in one sto...
Expressions involving the preceding expressions that evaluate to the same value for all rows in a group You can select a rowid from a join view only if the join has one and only one key-preserved table. The rowid of that table becomes the rowid of the view. See Also: Oracle9i Databa...
The JRE expires whenever a new release with security vulnerability fixes becomes available. Critical patch updates, which contain security vulnerability fixes, are announced one year in advance onCritical Patch Updates, Security Alerts and Third Party Bulletin. This JRE (version 8u131) will expire wi...
Re: Update one table with a select form another Peter Brawley July 28, 2021 03:36PM Sorry, you can't reply to this topic. It has been closed. Content reproduced on this site is the property of the respective copyright holders. It is not reviewed in advance by Oracle and does not nece...