Creating database tables in SQL is one of the most common tasks a developer or DBA does in a database. Learn how to create tables, what the syntax is, and see some examples in this article. This guide applies to
create table语句是在数据库中创建表。在MySQL实例中可以 通过? create table方式来查看其语法: Syntax:CREATE[TEMPORARY]TABLE[IFNOTEXISTS] tbl_name (create_definition,...) [table_options] [partition_options]CREATE[TEMPORARY]TABLE[IFNOTEXISTS] tbl_name [(create_definition,...)] [table_options] [par...
The SQL CREATE TABLE command is used as follows. 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 ...
Simple CREATE TABLE syntax (common if not using options): syntaxsql Copy CREATE TABLE { database_name.schema_name.table_name | schema_name.table_name | table_name } ( { <column_definition> } [ ,... n ] ) [ ; ] Full syntax Disk-based CREATE TABLE syntax: syntaxsql Copy CREATE...
Simple CREATE TABLE syntax (common if not using options): syntaxsql Copy CREATE TABLE { database_name.schema_name.table_name | schema_name.table_name | table_name } ( { <column_definition> } [ ,... n ] ) [ ; ] Full syntax Disk-based CREATE TABLE syntax: syntaxsql Copy CREATE...
Creates a new empty table in the current database.This table is owned by the user who executes the command. However, if the system administrator creates a table in the sc
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][...
SQL CREATE TABLE Syntax CREATETABLEtable_name ( column1 datatype, column2 datatype, column3 datatype, ... ); Here, table_nameis name of the table you want to create columnis the name of a column in the table datatypeis the type of data that the column can hold (e.g., integer...
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...
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 ...