and "avg_ok" values separately, then apply theUPDATEstatement while joining your "t2" table and...
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...
UPDATE table_name SET column_name = (SELECT new_value FROM another_table WHERE condition) WHERE condition; 复制代码 使用CASE语句更新字段的值: UPDATE table_name SET column_name = CASE WHEN condition1 THEN value1 WHEN condition2 THEN value2 ELSE default_value END WHERE condition; 复制代码 使用...
例如,UPDATE my_table SET column1 = 'new_value1', column2 = 'new_value2' WHERE condition;。在SET子句中,可以使用常量、表达式、子查询等来指定新值。例如,UPDATE my_table SET column1 = (SELECT another_column FROM another_table WHERE condition) WHERE condition;。这种灵活性使得SET子句可以处理各种...
https://stackoverflow.com/questions/18797608/update-multiple-rows-in-same-query-using-postgresql 问题描述: SQL update fields of one table from fields of a
Why to use sub-query when you can do that directly?
For more information, see TOP (Transact-SQL).table_alias The alias specified in the UPDATE clause representing the table or view from which the rows are to be updated.server_name Is the name of the server (using a linked server name or the OPENDATASOURCE function as the server name) on ...
executing this SQL, I just get: 0 row(s) affected Rows matched: 0 Changed: 0 Warnings: 0 Please help Subject Written By Posted Update one table with a select form another John Biddulph July 28, 2021 02:24PM Re: Update one table with a select form another ...
syntaxsql Copy -- Syntax for Azure Synapse Analytics and Microsoft Fabric [ WITH <common_table_expression> [ ,...n ] ] UPDATE [ database_name . [ schema_name ] . | schema_name . ] table_name SET { column_name = { expression | NULL } } [ ,...n ] FROM [ database_name ....
Having the same data duplicated in multiple tables is probably a design flaw, however you can ...