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...
That was quite easy, but let’s suppose that we need to an UPDATE based on another big table and use the value in the other table. Suppose that we would like to do the same UPDATE like we did with the CTE on SQL Server, we can overcome the JOIN problem with this code: updat...
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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...
In earlier releases of Oracle, whencollection_expressionwas a subquery,table_collection_expressionwas expressed asTHEsubquery. That usage is now deprecated. You can use atable_collection_expressionto update rows in one table based on rows from another table. For example, you could roll up four qu...
oracle Update a table with data from another table 文章标签oracle文章分类Oracle数据库 UPDATEtable1 t1SET(name,desc)=(SELECT, t2.descFROMtable2 t2WHERE=)WHEREEXISTS(SELECT1FROMtable2 t2WHERE=) Assuming thejoinresultsinakey-preservedview, you could alsoUPDATE(SELECT,...
Change font colour in table cell based on SQL Query in SQL Email Change index of all tables, in at the databases on a server. change Minutes and seconds of a datetime value to 0 Change SQL Server dateformat? Change the row color based on result set Change the seed & increment value of...
TableB has five columns: a1, b1, c1, d1, e1 (a1 and b1 together constitute the primary key for this table) The foreign key relationship between the two tables is based on A.a = B.a1 The data in these 2 tables is as follows: ...
On an old project, ~10 years ago and not Django based, we used a "bulk update" procedure that did: 1) Bulk-insert the new records into a temporary table 2) update in one statement using a join (SQL Server lets you do that)
Table A-1 Smart Update Graphical Interface Screen or PanelSymbolDescription Target Installation Represents a Middleware home directory, which may contain multiple Oracle products. When you create a maintenance snapshot, you must select the appropriate Middleware home directory. Note that the Smart Updat...