SQL Dropping a View A view is deleted with theDROP VIEWstatement. SQL DROP VIEW Syntax DROPVIEWview_name; The following SQL drops the "Brazil Customers" view: Example DROPVIEW[Brazil Customers]; Track your progress - it's free! Log inSign Up...
Note: Not all SQL types support this. (e.g. can be done in Oracle and DBT, but not PostgreSQL.)To create a materialized view, add the MATERIALIZED keyword:CREATE MATERIALIZED VIEW myView AS [Query]; To refresh the view manually use the following command:REFRESH MATERIALIZED VIEW [view nam...
问尝试创建视图时出现"Syntax error in CREATE TABLE statement“EN这是因为在5.6及以上的版本内，开启...
Transact-SQL 語法慣例 Syntax SQL Server 和 Azure SQL Database 的語法。 syntaxsql 複製 CREATE [ OR ALTER ] VIEW [ schema_name . ] view_name [ (column [ ,...n ] ) ] [ WITH <view_attribute> [ ,...n ] ] AS select_statement [ WITH CHECK OPTION ] [ ; ] <view_attribute> :...
SQL Server 和 Azure SQL Database 中預存程序的 Transact-SQL 語法: syntaxsql 複製 CREATE [ OR ALTER ] { PROC | PROCEDURE } [schema_name.] procedure_name [ ; number ] [ { @parameter_name [ type_schema_name. ] data_type } [ VARYING ] [ NULL ] [ = default ] [ OUT | OUTPUT ...
DATA_DELETION = ON { ( FILTER_COLUMN = column_name, RETENTION_PERIOD = { INFINITE | number { DAY | DAYS | WEEK | WEEKS | MONTH | MONTHS | YEAR | YEARS } } ) } ] [ LEDGER = ON [ ( <ledger_option> [ ,... n ] ) ] | OFF ] } <ledger_option>::= { [ LEDGER_VIEW =...
<create_view_statement>::= CREATE [OR REPLACE] VIEW [(<alias_name>,...)] AS <query_expression> [WITH CHECK OPTION] Examples SQL Tutorial, View Tables Concepts of the Database System, Objects in the Schema HOTEL Explanation If no schema is specified in the view table name ( ...
syntaxsql CREATETYPE[schema_name. ]type_nameASTABLE( {<column_definition>[ , ...n ] } | [] [ , ...n ] | [] [ , ...n ] ) [WITH([ , ...n ] ) ] [ ; ]<column_definition>::=column_name<data_type>[COLLATEcollation_name] [NULL|NOTNULL] [IDENTITY[ (1,1) ] ] [<col...
ledger_view_name [ ( <ledger_view_option> [ ,... n ] ) ] ] [ APPEND_ONLY = ON | OFF ] } <ledger_view_option>::= { [ TRANSACTION_ID_COLUMN_NAME = transaction_id_column_name ] [ SEQUENCE_NUMBER_COLUMN_NAME = sequence_number_column_name ] [ OPERATION_TYPE_COLUMN_NAME = ...
When a view is created, information about the view is stored in the following catalog views:sys.views,sys.columns, andsys.sql_expression_dependencies. The text of the CREATE VIEW statement is stored in thesys.sql_modulescatalog view.