SQL CREATE OR REPLACE VIEW Syntax CREATEORREPLACEVIEWview_nameAS SELECTcolumn1,column2, ... FROMtable_name WHEREcondition; The following SQL adds the "City" column to the "Brazil Customers" view: Example CREATEO
create view语句是将某个查询数据的定义保留下来,以便随时调用,这就是所谓的视图。视图本身不存储查询结果,只是一个定义。 Syntax:CREATE[ORREPLACE] [ALGORITHM={UNDEFINED|MERGE|TEMPTABLE}] [DEFINER={user|CURRENT_USER}] [SQLSECURITY { DEFINER|INVOKER }]VIEWview_name [(column_list)]ASselect_statement [WI...
SQL CREATE OR REPLACE VIEW Syntax CREATE OR REPLACE VIEW view_name AS SELECT column_name(s) FROM table_name WHERE condition Now we want to add the "Category" column to the "Current Product List" view. We will update the view with the following SQL: CREATE OR REPLACE VIEW [Current Produc...
The REPLACE VIEW is used to change the definition of a view. The CREATE VIEW and REPLACE VIEW keywords are used together. The syntax is following: Create or replace View view_name As Select * from base_table Here: Create or replace View:These keywords serve to create or replace the existi...
Transact-SQL 语法约定 语法 SQL Server 和 Azure SQL 数据库 的语法。 syntaxsql 复制 CREATE [ OR ALTER ] VIEW [ schema_name . ] view_name [ (column [ ,...n ] ) ] [ WITH <view_attribute> [ ,...n ] ] AS select_statement [ WITH CHECK OPTION ] [ ; ] <view_attribute> ::=...
SQL> create or replace view test_view as select * from invalid_table; create or replace view test_view as select * from invalid_table * ERROR at line 1: ORA-00942: table or view does not exist SQL> SQL> create or replace force view test_force_view as select * from invalid_table; ...
CREATE[ORREPLACE][ALGORITHM={UNDEFINED|MERGE|TEMPTABLE}][DEFINER=user][SQLSECURITY{DEFINER|INVOKER}]VIEWview_name[(column_list)]ASselect_statement[WITH[CASCADED|LOCAL]CHECKOPTION] TheCREATE VIEWstatement creates a new view, or replaces an existing view if theOR REPLACEclause is given. If the view...
CREATE[ORREPLACE][ALGORITHM={UNDEFINED|MERGE|TEMPTABLE}][DEFINER=user][SQLSECURITY{DEFINER|INVOKER}]VIEWview_name[(column_list)]ASselect_statement[WITH[CASCADED|LOCAL]CHECKOPTION] TheCREATE VIEWstatement creates a new view, or replaces an existing view if theOR REPLACEclause is given. If the view...
( LOCATION ='sqlserver://SqlServer',-- PUSHDOWN = ON | OFF,CREDENTIAL = SQLServerCredentials ); GOCREATESCHEMAsqlserver; GO/* LOCATION: sql server table/view in 'database_name.schema_name.object_name' format * DATA_SOURCE: the external data source, created above. */CREATEEXTERNALTABLE...
syntaxsql 複製 -- Create a clustered columnstore index on disk-based table. CREATE CLUSTERED COLUMNSTORE INDEX index_name ON { database_name.schema_name.table_name | schema_name.table_name | table_name } [ WITH ( <with_option> [ , ...n ] ) ] [ ORDER (column [ , ...n ...