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),...); ...
CREATE TABLE – SQL Command项目 2006/10/23 Creates a table having the specified fields. 复制 CREATE TABLE | DBF TableName1 [NAME LongTableName] [FREE] (FieldName1 FieldType [(nFieldWidth [, nPrecision])] [NULL | NOT NULL] [CHECK lExpression1 [ERROR cMessageText1]] [DEFAULT e...
The CREATE TABLE syntax uses commas to separate certain CREATE TABLE options. You must place the NULL, NOT NULL, CHECK, DEFAULT, PRIMARY KEY, and UNIQUE clauses within the parentheses containing the column definitions.If you omit NULL and NOT NULL, the current setting of the SET NULL command...
-- 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 ] | [ <table_index> ] } [ ,......
CREATE CATALOG CREATE CONNECTION CREATE DATABASE CREATE FUNCTION (SQL) CREATE FUNCTION (外部) 創建地點 CREATE MATERIALIZED VIEW CREATE RECIPIENT CREATE SCHEMA CREATE SERVER CREATE SHARE CREATE STREAMING TABLE CREATE TABLE 數據表屬性和數據表選項
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... ...
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...
syntaxsql复制 -- Create a new external tableCREATEEXTERNALTABLE{database_name.schema_name.table_name|schema_name.table_name|table_name} (<column_definition>[ ,...n ] )WITH(LOCATION='folder_or_filepath',DATA_SOURCE=external_data_source_name, [FILE_FORMAT=external_file_format_name] [ ,<rej...
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. ...