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...
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...
Integrity Constraints like primary key, unique key, foreign key can be defined for the columns while creating the table. The integrity constraints can be defined at column level or table level. The implementation and the syntax of the CREATE Statements differs for different RDBMS....
-- create a table named Companies with different columnsCREATETABLECompanies (idint,namevarchar(50), addresstext, emailvarchar(50), phonevarchar(10) ); Here, the SQL command creates a database namedCompanieswith the columns:id,name,address,emailandphone. SQL CREATE TABLE Syntax CREATETABLEtable_...
syntaxsql Copy CREATE TABLE { database_name.schema_name.table_name | schema_name.table_name | table_name } ( { <column_definition> | [ <table_constraint> ] [ ,... n ] | [ <table_index> ] [ ,... n ] } [ PERIOD FOR SYSTEM_TIME ( system_start_time_column_name , syste...
Creating Tables Auto generated value column is different. Can’t use physical attribute ON. Missing table variable and memory-optimized table. SQL Server Usage ANSI Syntax Conformity You can create tables in SQL Server using the CREATE TABLE statement and conform to the AN...
In backward compatible syntax, WITH IGNORE_DUP_KEY is equivalent to WITH IGNORE_DUP_KEY = ON. STATISTICS_NORECOMPUTE={ ON | OFF } When ON, out-of-date index statistics are not automatically recomputed. When OFF, automatic statistics updating are enabled. The default is OFF. ...
When creating a managed U-SQL table with a schema, a table schema has to be provided that contains at least one table column definition. Syntax Create_Managed_Table_With_Schema_Statement := 'CREATE' 'TABLE' ['IF' 'NOT' 'EXISTS']IdentifierTable_With_Schema. ...
importjava.sql.*;publicclassTableExistsExample{publicstaticvoidmain(String[]args){Stringurl="jdbc:mysql://localhost:3306/mydatabase";Stringusername="root";Stringpassword="password";try{Connectionconnection=DriverManager.getConnection(url,username,password);if(connection!=null){System.out.println("Connected...
See Also: Oracle9i Application Developer's Guide - Fundamentals, Oracle9i Database Administrator's Guide, and CREATE TYPE for more information about creating objects ALTER TABLEAdditional TopicsPrerequisites Syntax Semantics ExamplesPrerequisitesTo create a relational table in your own schema, you must ...