第二十章 SQL命令 CREATE TABLE AS SELECT 将现有表中的列定义和列数据复制到新表中。 大纲 CREATE TABLE table-name AS query [shard-key] [WITH table-option] 参数 table-name 要创建的表的名称,指定为有效标识符。表名可以是限定的(schema.table),也可以是非限定的(Table)。未限定的表名采用缺省模式名...
%msg&sql(CREATEGLOBALTEMPORARYTABLETempEmp(EMPNUMINTNOTNULL,NAMELASTCHAR(30)NOTNULL,NAMEFIRSTCHAR(30)NOTNULL,CONSTRAINTEMPLOYEEPKPRIMARYKEY(EMPNUM)))ifSQLCODE=0{w!,"表创建"}else{w!,"SQLCODE=",SQLCODE,": ",%msg}}
SQL Script: Create a Copy of a Table with Data Copy CREATE TABLE TempEmployee as (SELECT EmpId, FirstName, LastName FROM Employee);To create the copy of the Employee table, with just Structure and NO DATA, use the CREATE TABLE AS command, as shown below: ...
Oracle provides another way of creating a table.CREATE TABLE temp_employee SELECT * FROM employee In the above statement, temp_employee table is created with the same number of columns and datatype as employee table. BookMark This Page ...
SQL Server中的CREATE TABLE AS SELECT FROM语句 在SQL Server中,CREATE TABLE AS SELECT FROM语句用于从一个或多个源表中选择数据,并将结果存储在新的目标表中。这个语句非常有用,因为它可以让我们轻松地创建一个包含所需数据的新表,而无需复制和粘贴现有表的结构和数据。
This SQL tutorial explains how to use the SQL CREATE TABLE AS statement with syntax and examples. You can also use the SQL CREATE TABLE AS statement to create a table from an existing table by copying the existing table's columns.
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...
SqlServer.TransactSql.ScriptDom Microsoft.SqlServer.TransactSql.ScriptDom AbortAfterWaitType AcceleratedDatabaseRecoveryDatabaseOption AddAlterFullTextIndexAction AddFileSpec AddMemberAlterRoleAction AddSearchPropertyListAction AddSensitivityClassificationStatement AddSignatureStatement AdHocDataSource AdHocTable...
To view the temp tables, run the following query. 1 2 3 selectname,create_datefrom[tempdb].[sys].[tables] Query output Create a SYSTEM VERSION temporal table The system version temporal tables were introduced in SQL Server 2016. These tables are special types of tables used to keep the hi...
Class User.TempEmp Extends %Persistent [ ClassType = persistent, DdlAllowed, Final, Owner = {_PUBLIC}, ProcedureBlock, SqlRowIdPrivate, SqlTableName = TempEmp ] { Property EMPNUM As %Library.Integer(MAXVAL = 2147483647, MINVAL = -2147483648) [ Required, SqlColumnNumber = 2 ]; ...