syntaxsql 复制 CREATE [ UNIQUE ] [ CLUSTERED | NONCLUSTERED ] INDEX index_name ON ( column [ ASC | DESC ] [ ,...n ] ) [ INCLUDE ( column_name [ ,...n ] ) ] [ WHERE <filter_predicate> ] [ WITH ( <relational_index_option> [ ,...n ] ) ] [ ON { partition_scheme...
SyntaxSQL Server、Azure SQL Database、Azure SQL 受控執行個體的語法syntaxsql 複製 CREATE [ UNIQUE ] [ CLUSTERED | NONCLUSTERED ] INDEX index_name ON ( column [ ASC | DESC ] [ ,...n ] ) [ INCLUDE ( column_name [ ,...n ] ) ] [ WHERE <filter_predicate> ] [ WITH ( <relat...
Syntax for CREATE INDEX CREATEUNIQUEWHERE NOT NULLINDEXindex-nameONtable-name(,column-namekey-expressionASCDESCRANDOM,BUSINESS_TIMEWITHOUT OVERLAPSWITH OVERLAPS)aux-table-nameother-options other-options: XML-index-specificationINCLUDE(,column-name)NOT CLUSTERCLUSTERPARTITIONEDNOT PADDEDPADDED2using-specifica...
syntaxsql 複製 CREATE TABLE { database_name.schema_name.table_name | schema_name.table_name | table_name } ( { <column_definition> | [ ] [ ,... n ] | [ ] [ ,... n ] } [ PERIOD FOR SYSTEM_TIME ( system_start_time_column_name , system_end_time_column_name ) ] ) ...
Create Relational Index CREATE [ UNIQUE ] [ CLUSTERED | NONCLUSTERED ] INDEX index_name ON ( column [ ASC | DESC ] [ ,...n ] ) [ INCLUDE ( column_name [ ,...n ] ) ] [ WITH ( <relational_index_option> [ ,...n ] ) ] [ ON {...
SQL注入即是指web应用程序对用户输入数据的合法性没有判断或过滤不严格,攻击者可以在web应用程序中事先定义好的查询语句的结尾上添加额外的SQL语句,在管理员不知情的情况下实现非法操作,以此欺骗数据库服务器执行非授权的任意查询,从而进一步得到相应的数据信息。【百度百科】 ...
Use the syntax structure specified in <relational_index_option> instead. CREATE [ UNIQUE ] [ CLUSTERED | NONCLUSTERED ] INDEX index_name ON ( column_name [ ASC | DESC ] [ ,...n ] ) [ WITH <backward_compatible_index_option> [ ,...n ] ] [ ON { filegroup_name | "default" ...
Syntax SQL Server、Azure SQL 資料庫 和 Azure SQL 受控執行個體 的語法。 syntaxsql 複製 ALTER INDEX { index_name | ALL } ON { REBUILD { [ PARTITION = ALL [ WITH ( <rebuild_index_option> [ , ...n ] ) ] ] | [ PARTITION = partition_number [ WITH ( <single_partition_rebuild_in...
backward compatible relational index syntax structure will be removed in a future version of SQL Server. Avoid using this syntax structure in new development work, and plan to modify applications that currently use the feature. Use the syntax structure specified in <relational_index_option> instead....
共有8个可选参数:sql,con,index_col,coerce_float,params,parse_date,columns,chunksize。 该函数基础功能为将SQL查询或数据库表读入DataFrame。此函数是read_sql_table和read_sql_query(向后兼容性)两个函数功能结合。它将根据提供的输入参数传入给特定功能。一个SQL查询将传入到read_sql_query查询,而数据库表名称...