无论如何,第一次更新都应该运行,更新alwaysupdate列。第二个更新应该只在下面的SELECT语句返回一行计数为0的情况下运行,这意味着只有当sometimesupdate将mytable中的sometimesupdate设置为null的所有行都被更新时,才能进行更新-- Run no matter what, updating 'alwaysupdate 浏览0提问于2018-01-24得票数 2 回答已...
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Teradata Tesseron Asset Tesseron Basic Data Tesseron Invoice Tesseron Ticket Text Analytics Text Request The Bot Platform The Brønnøysund Registries (Independent Publisher) The Color (Independent Publisher) The Events Calendar The Guardian (Independent Publisher) The IT Tipster The Lord of the Rings...
@@FETCH_STATUS in nested loops @@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 ...
是指在使用JDBC(Java Database Connectivity)进行数据库操作时,通过ResultSet对象获取日期类型的数据时,可能会丢失日期的精度。 ResultSet是JDBC中用于表示查询结果集的对象,它提供了一系列的get方法用于获取不同类型的数据。其中,getDate方法用于获取日期类型的数据。
SETSET是Teradata的独有功能。它不允许重复的记录。它使用MINUS集合操作符来实现。DSC支持MULTISET和SET表。SET表支持与VOLATILE一起使用。 输入:SETTABLE 1 2 3 4 5 CREATESETVOLATILE TABLE tab1 来自:帮助中心 查看更多 → 使用方法 ---+---+---+ 1 row inset, 1 warning (0.00 sec) 使用HINT...
More Teradata Database sessions are needed to service a given number of web users, for the same reason. More application server memory used to service a given number of web users, because result set rows are kept in memory between servlet invocations. More spool used on the Teradata Database...
Added Column Not Appearing in Destination (Output) File Adding an Attachment Column into an existing SQL Table Adding in a unique id via derived column. Adding SSIS will require downtime ? ADO NET Source has fail...
SQLServer 2008 R2 should be going - it's not where it is today. 400k rps during load is only achieved in Teradata with a Teradata hardware setup using FastLoad. I've also achieved this inside of Teradata when transferring data from one table to another: select from insert into...