CREATE TABLE This statement creates a new table in the currently selected database. It behaves similarly to theCREATE TABLEstatement in MySQL. Synopsis DiagramSource CreateTableStmt CREATEOptTemporaryTABLEIfNotExistsTableNameTableElementListOptCreateTableOptionListOptPartitionOptDuplicateOptAsOptCreateTableSelec...
%msg&sql(CREATEGLOBALTEMPORARYTABLETempEmp(EMPNUMINTNOTNULL,NAMELASTCHAR(30)NOTNULL,NAMEFIRSTCHAR(30)NOTNULL,CONSTRAINTEMPLOYEEPKPRIMARYKEY(EMPNUM)))ifSQLCODE=0{w!,"表创建"}else{w!,"SQLCODE=",SQLCODE,": ",%msg}}
CREATETABLETestTableAS SELECTcustomername, contactname FROMcustomers; Exercise? What is the primary purpose of the SQLCREATE TABLEstatement? To create a new table in a database To insert data into a table To join a table To delete a table from a database ...
要确定当前设置,请调用$SYSTEM.SQL.CurrentSettings()方法,该方法显示a Do classes created by a DDL CREATE TABLE statement define a bitmap extent index。 如果在创建位图索引后,对自动定义位图范围索引的表调用CREATE BITMAPEXTENT INDEX,则先前定义的位图范围索引将重命名为CREATE BITMAPEXTENT INDEX语句指定的...
第十五章 SQL命令 CREATE TABLE(二) 全局临时表 指定GLOBAL TEMPORARY关键字将表定义为全局临时表。表定义是全局的(对所有进程都可用);表数据是临时的(在进程期间持续存在)。相应的类定义包含一个附加的类参数SQLTABLETYPE=“GLOBAL TEMPORARY”。与标准的 IRIS表一样,ClassType=Persistent,并且类包含Final关键字,表...
Oracle PL/SQL:CREATE TABLE statement: create a table with primary key.CREATE TABLE statement can be used to create table objects in database. It is possible to add constraints like primary key ,foreign key while table creation.Primary key is the unique identifier for a row of data.One ...
SQL Server Azure 数据工厂中的 SSIS Integration Runtime 在“列映射”对话框中,如果选择“创建目标表”,然后选择“编辑 SQL”,则 SQL Server 导入和导出向导会显示“Create Table SQL 语句”对话框。 在此页上,可查看并根据需要自定义CREATE TABLE命令,向导会运行该命令以创建...
CREATE TABLE LIKE | TiDB SQL Statement Referencewas last updated 12/28/2022, 11:36:17 AM:v6.5: remove aliases (#11751) Was this page helpful? Download PDFRequest docs changesAsk the community What's on this page Synopsis Examples
The CREATE TABLE statement defines a table. The definition must include its name and the names and attributes of its columns. The definition can include other attributes of the table, such as its primary key and its table space. Invocation for CREATE TABLE This statement can be embedded in ...
SQL CREATE TABLE The SQLCREATE TABLEstatement is used to create a database table. We use this table to store records (data). For example, Example -- create a table named Companies with different columnsCREATETABLECompanies (idint,namevarchar(50),...