Create Table Foreign Key Syntax Like the primary key definition, you can declare a foreign key both inline and out of line in the SQL Create Table command. Inline foreign keys are declared like this: CREATEtable_name(column_name data_typeREFERENCESother_table_name(other_column_name),...); ...
Here, the SQL command checks if a table namedCompaniesexists, and if not, it creates a table with specified columns. Create Table Using Another Existing Table In SQL, we can create a new table by duplicating an existing table's structure. Let's look at an example. -- create a backup t...
如需在 Microsoft Fabric 中倉儲的參考,請流覽 CREATE TABLE (網狀架構數據倉儲)。 如需 Azure Synapse Analytics 和分析平台系統 (PDW) 的參考,請造訪 CREATE TABLE (Azure Synapse Analytics)。 Transact-SQL 語法慣例 語法選項 通用語法 簡單CREATE TABLE 語法 (如果沒有使用選項則通用): syntaxsql 複製 CREATE...
Syntax options Arguments Remarks Temporary tables Show 12 more Applies to: SQL Server Azure SQL Database Azure SQL Managed Instance SQL database in Microsoft Fabric Creates a new table in the database. Note For reference to Warehouse in Microsoft Fabric, visit CREATE TABLE (Fabric Data War...
Transact-SQL 语法约定 语法选项 常用语法 简单的 CREATE TABLE 语法(如果不使用选项,则很常见): syntaxsql 复制 CREATE TABLE { database_name.schema_name.table_name | schema_name.table_name | table_name } ( { <column_definition> } [ ,... n ] ) [ ; ] 完整语法 基于磁盘的 CREATE TABLE...
Syntax CREATETABLEnew_table_nameAS SELECTcolumn1, column2,... FROMexisting_table_name WHERE...; The following SQL creates a new table called "TestTable" (which is a copy of the "Customers" table): Example CREATETABLETestTableAS SELECT...
SQL CREATE TABLE Statement Syntax CREATE TABLE <table_name> ( <column_name1> <datatype1> <constraint1> <column_name2> <datatype2> <constraint2> <constraint-list> ) The number of characters that can make up SQL table names and column names varies by DBMS. In many cases the limit...
The Syntax for the CREATE TABLE Statement is:CREATE TABLE table_name (column_name1 datatype, column_name2 datatype, ... column_nameN datatype ); table_name - is the name of the table. column_name1, column_name2... - is the name of the columns datatype - is the datatype ...
1>.查看CREATE TABLE的帮助信息 mysql>?CREATETABLEName:'CREATE TABLE'Description: Syntax:CREATE[TEMPORARY]TABLE[IF NOT EXISTS]tbl_name (create_definition,...)[table_options][partition_options]CREATE[TEMPORARY]TABLE[IF NOT EXISTS]tbl_name[(create_definition,...)][table_options][partition_options][...
使用BULK INSERT或OPENROWSET通过 SQL Server 或 SQL 数据库进行批量加载操作 另请参阅CREATE EXTERNAL DATA SOURCE和DROP EXTERNAL TABLE。 语法 syntaxsql复制 -- Create a new external tableCREATEEXTERNALTABLE{database_name.schema_name.table_name|schema_name.table_name|table_name} (<column_definition>[ ,...