SQLDISCONNECT() Function SQLEXEC() Function SQLGETPROP() Function SQLMORERESULTS() Function SQLPREPARE() Function SQLROLLBACK() Function SQLSETPROP() Function SQLSTRINGCONNECT() Function SQLTABLES() Function UPDATE - SQL Command Backward-Compatible Language ElementsLearn...
(for GDS Import and Export) CREATE FOREIGN TABLE (SQL on OBS or Hadoop) CREATE FOREIGN TABLE (for OBS Import and Export) CREATE FOREIGN TABLE (SQL on other GaussDB(DWS)) CREATE FUNCTION CREATE GROUP CREATE INDEX CREATE REDACTION POLICY CREATE ROW LEVEL SECURITY POLICY CREATE PROCEDURE CREATE ...
Well organized and easy to understand Web building tutorials with lots of examples of how to use HTML, CSS, JavaScript, SQL, Python, PHP, Bootstrap, Java, XML and more.
DML语言,比方update,delete,insert等改动表中数据的须要commit; DDL语言,比方create,drop等改变表结构的,就不须要写commit(由于内部隐藏了commit); DDL 数据定义语言: create table 创建表 alter table 改动表 drop table 删除表 truncate table 删除表中全部行 create index 创建索引 drop index 删除索引 当运行DDL...
TSqlTriggerEventTypeHelper UnaryExpression UnaryExpressionType UniqueConstraintDefinition UniqueRowFilter UnpivotedTableReference UnqualifiedJoin UnqualifiedJoinType UpdateCall UpdateDeleteSpecificationBase UpdateForClause UpdateMergeAction UpdateSpecification UpdateStatement UpdateStatisticsStatement UpdateTextStatement U...
SQL*Plus User's Guide and Reference for information on the SQL*Plus RECOVER command AUTOMATIC Specify AUTOMATIC if you want Oracle to automatically generate the name of the next archived redo log file needed to continue the recovery operation. If the LOG_ARCHIVE_DEST_n parameters are defined,...
sql命令解析库,针对select,insert,alter,create这几种语句提供了强悍的解析器,其中采用语法解析树进行语句解析,减少不必要的解析逻辑。| The sql command parsing library provides powerful parsers for select, insert, alter, and create statements. The syntax parse tree is used for statement parsing to reduce...
Databricks SQL Databricks Runtime 改變資料表的結構描述或屬性。 如需Delta Lake 中的類型變更或重新命名數據行,請參閱重寫數據。 若要變更資料表或資料行的批註,您也可以使用COMMENT ON。 若要改變STREAMING TABLE,請使用ALTER STREAMING TABLE。 如果資料表已快取,命令會清除該資料表和所有依賴它的項目的快...
Sets Transact-SQL and query processing behaviors to be compatible with the specified version of the Database Engine.
These include user-defined type variables or functions and user-defined functions, but can't reference a Transact-SQL statement. partition_number must exist or the statement fails. WITH ( <single_partition_rebuild_index_option> ) SORT_IN_TEMPDB, MAXDOP, DATA_COMPRESSION, and XML_COMPRESSION are...