5: create table #table (empidint, empname varchar (25),Department varchar (25) ,Salaryint) 6: create clustered index #table_index1 on #table (empid asc ) 7: create nonclustered index #table_index2 on #table (Sa
If a temporary table is created with a named constraint and the temporary table is created within the scope of a user-defined transaction, only one user at a time can execute the statement that creates the temp table. For example, if a stored procedure creates a temporary table with a name...
eg:在需要一次性插入大量数据的情况下,可以使用 SELECT INTO 替代 CREATE TABLE 和 INSERT 的两步操作,以减少日志记录。 代码语言:javascript 代码运行次数:0 运行 AI代码解释 --不推荐CREATETABLE#TempTable(IDINT,NameVARCHAR(255),...);INSERTINTO#TempTableSELECTID,Name,...FROMSomeTable;--推荐SELECTID,Na...
drop table t_lxh begin tran select * into t_lxh from chineseresume where name = 'XYZ' --commit 在另一个连接中Select * from sysobjects可以看到 Select INTO 会锁住系统表,Create table 也会锁系统表(不管是临时表还是系统表)。所以千万不要在事物内使用它!!!这样的话如果是经常要用的临时表请使用实...
CREATETYPEdbo.typeTableDASTABLE( Column1INTNOTNULLINDEXix1, Column2CHAR(10))WITH(MEMORY_OPTIMIZED =ON); 大功告成。 E. SQL Server 的必要條件 FILEGROUP 在Microsoft SQL Server 上,若要使用記憶體優化功能,您的資料庫必須具有以MEMORY_OPTIMIZED_DATA宣告的 FILEGROUP。
CREATETABLE#TempTable ( [Index]VARCHAR(2000) , [Name]VARCHAR(2000) , [Internal_Value]VARCHAR(2000) , [Character_Value]VARCHAR(2000) ); INSERTINTO#TempTable EXECxp_msver; SELECTInternal_ValueASVirtualCPUCount FROM#TempTable WHEREName ='ProcessorCount'; ...
Create a nonclustered index with a unique constraint and specify the sort order SQL Copy CREATE UNIQUE INDEX index1 ON schema1.table1 (column1 DESC, column2 ASC, column3 DESC); Key scenario: Starting with SQL Server 2016 (13.x), in Azure SQL Database, and in Azure SQL Managed Inst...
CREATE TABLE [dbo].[OrderExpertAmount]( [ID] [int] IDENTITY(1,1) NOT NULL, [OrderID] [int] NOT NULL, [Remark] [nvarchar](max) NULL, CONSTRAINT [PK_OrderExpertAmount] PRIMARY KEY CLUSTERED ( [ID] ASC )WITH (PAD_INDEX = OFF, STATISTICS_NORECOMPUTE = OFF, IGNORE_DUP_KEY = OFF, ...
适用于:SQL ServerAzure SQL 数据库Azure SQL 托管实例Microsoft Fabric SQL 数据库 在数据库中创建新表。 备注 有关Microsoft Fabric 中仓库的引用,请访问 CREATE TABLE (Fabric 数据仓库)。 有关Azure Synapse Analytics 和 Analytics Platform System (PDW) 的参考,请访问 CREATE TABLE (Azure Synapse Analytics)...
If a temporary table is created with a named constraint and the temporary table is created within the scope of a user-defined transaction, only one user at a time can execute the statement that creates the temp table. For example, if a stored procedure creates a temporary table with a ...