Oracle CREATE VIEW syntax To create a new view in a database, you use the following Oracle CREATE VIEW statement: CREATE [OR REPLACE] VIEW view_name [(column_aliases)] AS defining-query [WITH READ ONLY] [WITH CHECK OPTION] Code language: SQL (Structured Query Language) (sql) ...
Syntax create_view::= Description of the illustration create_view.eps (inline_constraint::=andout_of_line_constraint::=,object_view_clause::=,XMLType_view_clause::=,subquery::=—part ofSELECT,subquery_restriction_clause::=) object_view_clause::= ...
CREATE VIEW myView AS SELECT serial_id FROM traffic WITH LOCAL CHECK OPTION; VIEW definitionTo see the definition (underlying query) of a view, you can use:\d+ [view name] Updating ViewsViews can be updated by using the following syntax:...
使用SQL Server 或 SQL Database 來執行大量載入作業 (使用 BULK INSERT 或OPENROWSET) 另請參閱 CREATE EXTERNAL DATA SOURCE 及DROP EXTERNAL TABLE。 語法 syntaxsql 複製 -- Create a new external table CREATE EXTERNAL TABLE { database_name.schema_name.table_name | schema_name.table_name | table_...
Oracle (before v12.2): 30 characters Oracle (after v12.2): 128 characters SQL Server: 128 characters MySQL: 64 characters PostgreSQL: 63 characters Create Table Primary Key Syntax You can specify a primary key on a table when you create in two ways: ...
In the syntax, sch_name: Specify the name of the schema in which you want to create a table. You can readthisarticle to learn more about SQL Server Schema. tbl_name: Specify the desired table name. col_name: Specify the column name that you want to add to a table. ...
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>[ ,...
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>[ ,...
Use the table_or_view_constraint to define an integrity constraint as part of the table definition. Note: You must specify a PRIMARY KEY constraint for an index-organized table, and it cannot be DEFERRABLE. See Also: the syntax description of table_or_view_constraint in the constraint_...
This syntax is available only for READ ONLY foreign tables. Value range: any valid DATE value. For details, see Date and Time Processing Functions and Operators. NOTE: If ORACLE is specified as the compatible database, the DATE format is TIMESTAMP. For details, see timestamp_format below....