(2) SQL Server 多表更新方法 复制代码 代码如下: //----------------------------------SQL Server语法:UPDATE{ table_nameWITH(<table_hint_limited>[...n])|view_name|rowset_function_limited }SET{ column_name={ expression|DEFAUL
table_or_view_name 要更新行的表或视图的名称。 table_or_view_name 引用的视图必须可更新,并且只在该视图的 FROM 子句中引用一个基表。 有关可更新视图的详细信息,请参阅 CREATE VIEW (Transact-SQL)。 rowset_function_limited OPENQUERY 或OPENROWSET 函数,视提供程序的功能而定。 WITH (Table_Hint_Limited...
SQL Server 和 Azure SQL Database 的語法。 syntaxsql 複製 UPDATE STATISTICS table_or_indexed_view_name [ { { index_or_statistics__name } | ( { index_or_statistics_name } [ , ...n ] ) } ] [ WITH [ FULLSCAN [ [ , ] PERSIST_SAMPLE_PERCENT = { ON | OFF } ] | SAMPLE numbe...
SQL Server创建的默认的触发器为AFTER触发器 他们的顺序应该是这样的: 5.基本语法 create trigger trigger_name on {table_name | view_name} {for | After | Instead of } [ insert, update,delete ] as sql_statement 1. 2. 3. 4. 5. 6. 7. 8. 9. --修改 -- 把CREATE 改成ALTER --查看触...
在⽤户看来，UPDATE语句只是⽤来改变指定⾏中的数据。但实际的内部情况是，SQL Server从表中删除旧的数据⾏并插⼊新⾏。SQL Server UPDATE语句的语法如下：update set <column_name> = <value> where <search_condition> 下⾯是语法选项简介：表的名称。该表包含了要修改值的列 <column_name>要修...
CREATE VIEW dbo.viewTestIndexInfo AS SELECT IX.name as 'Name' , PS.index_level as 'Level' , PS.page_count as 'Pages' , PS.avg_page_space_used_in_percent as 'Page Fullness (%)' , PS.ghost_record_count as 'Ghost Records'
SQL Server 和 Azure SQL Database 的語法。 syntaxsql UPDATESTATISTICStable_or_indexed_view_name[ { {index_or_statistics__name} | ( {index_or_statistics_name} [ , ...n ] ) } ] [WITH[FULLSCAN[ [ , ]PERSIST_SAMPLE_PERCENT= {ON|OFF} ] |SAMPLEnumber {PERCENT|ROWS} [ [ , ]PERSIST...
] table_or_view_name} syntaxsql 복사 -- 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...
SQL Server 和 Azure SQL 数据库的语法。 syntaxsql 复制 UPDATE STATISTICS table_or_indexed_view_name [ { { index_or_statistics__name } | ( { index_or_statistics_name } [ , ...n ] ) } ] [ WITH [ FULLSCAN [ [ , ] PERSIST_SAMPLE_PERCENT = { ON | OFF } ] | SAMP...
SQL Server 和 Azure SQL 数据库的语法。 syntaxsql UPDATESTATISTICStable_or_indexed_view_name[ { {index_or_statistics__name} | ( {index_or_statistics_name} [ , ...n ] ) } ] [WITH[FULLSCAN[ [ , ]PERSIST_SAMPLE_PERCENT= {ON|OFF} ] |SAMPLEnumber {PERCENT|ROWS} [ [ , ]PERSIST_SA...