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 Oracle, SQL Server, MySQL, and PostgreSQL. Table of Contents What Is Th...
-- create a table named Companies with different columnsCREATETABLECompanies (idint,namevarchar(50), addresstext, emailvarchar(50), phonevarchar(10) ); Run Code Here, the SQL command creates a database namedCompanieswith the columns:id,name,address,emailandphone. SQL CREATE TABLE Syntax CREATE...
syntaxsql 複製 CREATE TABLE { database_name.schema_name.table_name | schema_name.table_name | table_name } [ AS FileTable ] ( { <column_definition> | <computed_column_definition> | <column_set_definition> | [ <table_constraint> ] [ ,... n ] | [ <...
Use the XMLType_table syntax to create a table of datatype XMLType.Object tables (as well as XMLType tables, object views, and XMLType views) do not have any column names specified for them. Therefore, Oracle defines a system-generated column SYS_NC_ROWINFO$. You can use this column ...
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...
Syntax for CREATE TABLE CREATE TABLEtable-name(,column-definitionperiod-definitionunique-constraintreferential-constraintcheck-constraint)LIKEtable-nameview-namecopy-optionsas-result-tablecopy-optionsmaterialized-query-definition1INdatabase-name. table-space-nameIN DATABASEdatabase-nameIN ACCELERATORaccelerator...
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基础语法—create语句 1 Create database语句 create database语句是在MySQL实例上创建一个指定名的数据库,create schema语句的语义和create database是一样的。先来看下create的语法: Syntax:CREATE{DATABASE|SCHEMA} [IFNOTEXISTS] db_name [create_specification] ......
SQL CREATE TABLE | SELECT Statement Syntax Here is the syntax to be used with SQL CREATE TABLE with SELECT statement: CREATE TABLE table_name [AS] SELECT * FROM exist_table ; CREATE TABLE table_name AS (SELECT column1_name, column2_name, column3_name... ...
CREATE-Anweisungen (Transact-SQL) Auf Englisch lesen Speichern Zu Sammlungen hinzufügen Zu Plan hinzufügen Freigeben über Facebookx.comLinkedInE-Mail Drucken Artikel 30.03.2012 In diesem Artikel Syntax Argumente Hinweise Berechtigungen 2 weitere anzeigen ...