temporary table with a data manipulation language (DML) statement (SELECT,INSERT,UPDATE,DELETE), if the temporary table was created by an outer scope batch, this would result in a recompile of the DML statement each time it is executed. With this improvement, SQL Server performs additional ...
適用対象:SQL ServerAzure SQL DatabaseAzure SQL Managed InstanceAzure Synapse AnalyticsAnalytics Platform System (PDW) Microsoft Fabric のウェアハウス 列と制約を変更、追加、または削除して、テーブルの定義を変更します。 また、ALTER TABLE では、パーティションを再割り当ておよび再構築したり、制...
Applies to: SQL Server 2016 (13.x) and later Azure SQL Database Azure SQL Managed InstanceTemporal tables (also known as system-versioned temporal tables) are a database feature that brings built-in support for providing information about data stored in the table at any point in time, ...
With this improvement, SQL Server performs additional lightweight checks to avoid unnecessary recompilations:Check if the outer-scope module used for creating the temporary table at compile time is the same one used for consecutive executions. Keep track of any data definition language (DDL) changes...
table_name can be a maximum of 128 characters, except for local temporary table names (names prefixed with a single number sign (#)) that can't exceed 116 characters. AS FileTable Applies to: SQL Server 2012 (11.x) and later. Creates the new table as a FileTable. You don't ...
table variables aren't supported in the SQL Server optimizer's cost-based reasoning model. As such, they shouldn't be used when cost-based choices are required to achieve an efficient query plan. Temporary tables are preferred when cost-based choices are required. This plan typically includes ...
--WL 09-07-03 /*Microsoft SQL Server 2005 提供了一些工具来监控数据库。方法之一是动态管理视图。...--下面的查询显示缓存计划所占用的 CPU 总使用率(带 SQL 文本)。...ORDER BY SUM(qs.total_worker_time) DESC) AS stats...
--WL 09-07-03 /*Microsoft SQL Server 2005 提供了一些工具来监控数据库。方法之一是动态管理视图。...--下面的查询显示缓存计划所占用的 CPU 总使用率(带 SQL 文本)。...ORDER BY SUM(qs.total_worker_time) DESC) AS stats...
/* Procedure for 8.0 server */ create proc usp_databases as set nocount on declare @name sysname declare @SQL nvarchar(600) /* Use temporary table to sum up database size w/o using group by */ create table #databases ( DATABASE_NAME sysname NOT NULL, ...
table_name can be a maximum of 128 characters, except for local temporary table names (names prefixed with a single number sign (#)) that can't exceed 116 characters. AS FileTable Applies to: SQL Server 2012 (11.x) and later. Creates the new table as a FileTable. You don't ...