(50)); tab1.Columns.Add(col2); Column col3 = new Column(tab1, "Col3", DataType.DateTime); tab1.Columns.Add(col3); // Create the ftable tab1.Create(); // Define Index object on the table by supplying the Table1 as the parent table and the primary key name in the ...
创建一个名为myRangePS1的分区方案,该方案使用ALL TO语法将myRangePF1分区函数中的所有分区分配给PRIMARY文件组。 在myRangePS1分区方案中创建一个名为PartitionTable的表,并指定名为col1的列为分区依据列。 在“对象资源管理器”中,连接到 数据库引擎的实例。
( logical_expression ) ] <column_set_definition> ::= column_set_name XML COLUMN_SET FOR ALL_SPARSE_COLUMNS <table_constraint> ::= [ CONSTRAINT constraint_name ] { { PRIMARY KEY | UNIQUE } [ CLUSTERED | NONCLUSTERED ] ( column_name [ ASC | DESC ] [ ,... n ] ) [ WITH ...
( logical_expression ) ] <column_set_definition> ::= column_set_name XML COLUMN_SET FOR ALL_SPARSE_COLUMNS <table_constraint> ::= [ CONSTRAINT constraint_name ] { { PRIMARY KEY | UNIQUE } [ CLUSTERED | NONCLUSTERED ] ( column_name [ ASC | DESC ] [ ,... n ] ) [ WITH ...
USEAddColumn GO --Drop the table if exists IFEXISTS( SELECT1FROMsys.tablesWHEREName='ExistingTable') DROPTABLEExistingTable GO --Create the table CREATETABLEExistingTable (IDBIGINTIDENTITY(1,1)PRIMARYKEYCLUSTERED, DateTime1DATETIMEDEFAULTGETDATE(), ...
[int] NOT NULL, DueDateKey [int] NOT NULL, ShipDateKey [int] NOT NULL ); CREATE CLUSTERED INDEX cci_SimpleTable ON SimpleTable (ProductKey); CREATE CLUSTERED COLUMNSTORE INDEX cci_SimpleTable ON SimpleTable WITH (DROP_EXISTING = ON); --Compress the table further by using archival ...
{ CHECK | NOCHECK } ] | ADD { <column_definition> | <computed_column_definition> | <table_constraint> | <column_set_definition> } [ ,...n ] | [ system_start_time_column_name datetime2 GENERATED ALWAYS AS ROW START [ HIDDEN ] [ NOT NULL ] [ CONSTRAINT constraint_name ] DEFAULT ...
call(), init(), add(), add_all(), autoflush, begin(), begin_nested(), bind, bulk_insert_mappings(), bulk_save_objects(), bulk_update_mappings(), close(), close_all(), commit(), configure(), connection(), delete(), deleted, dirty, execute(), expire(), expire_all(), expunge...
1 If BUSINESS_TIME WITHOUT OVERLAPS is specified, the BUSINESS_TIME period will not overlap in time periods for the same column-name values. referential-constraint: CONSTRAINTconstraint-nameFOREIGN KEY(, column-name,PERIODBUSINESS_TIME)references-clause references-clause: REFERENCESparent-table-name...
ALTER TABLE table-name 1ADDCOLUMNcolumn-definitionALTERCOLUMNcolumn-alterationRENAME COLUMNsource-column-nameTOtarget-column-nameDROPCOLUMNcolumn-nameRESTRICTADD PERIODFORperiod-definitionADDunique-constraintreferential-constraintcheck-constraint4DROPRPRIMARY KEYUNIQUEFOREIGN KEYCHECKCONSTRAINTconstraint-nameADD PARTITIO...