创建一个订单ID的序列对象,数据类型为INT,最小值为1,最大值为INT最大值,从1开始,步长为1. */--创建CREATESEQUENCE dbo.SeqOrderIDsASINTMINVALUE1CYCLE--修改ALTERSEQUENCE dbo.SeqOrderIDsNOCYCLE--查询SELECT(NEXTVALUEFORdbo.SeqOrderIDs) IF OBJECT_ID('dbo.T1','U')ISNOTNULLDROPTABLEdbo.T1;CREATETAB...
TSQL–标示列、GUID 、序列 –1. IDENTIY 列不能为空,不能设默认值,创建后不能使用ALTER TABLE TableName ALTER COLUMN修改,每张表只能有一个自增列 –2. 查看当前值:SELECT IDENT_CURRENT(‘TableName’), — 查看增量值:SELECT IDENT_INCR(‘TableName’) — 查看原始种子值:SELECT IDENT_SEED(‘TableNa...
Other options you can specify as a table hint include: BULK_BATCHSIZE, BULK_FIRE_TRIGGERS, BULK_KEEPIDENTITY, BULK_KEEPNULLS, BULK_KILOBYTES_PER_BATCH, BULK_MAXERRORS, and ROWS_PER_BATCH. Using the BULK rowset provider you can load a file into a table's column more easily than ever be...
AlterTableChangeTrackingModificationStatement AlterTableConstraintModificationStatement AlterTableDropTableElement AlterTableDropTableElementStatement AlterTableFileTableNamespaceStatement AlterTableRebuildStatement AlterTableSetStatement AlterTableStatement AlterTableSwitchStatement ...
AlterTableChangeTrackingModificationStatement AlterTableConstraintModificationStatement AlterTableDropTableElement AlterTableDropTableElementStatement AlterTableFileTableNamespaceStatement AlterTableRebuildStatement AlterTableSetStatement AlterTableStatement AlterTableSwitchStatement AlterTableTriggerModificationStatement AlterTrigge...
AlterTableAddTableElementStatement AlterTableAlterColumnOption AlterTableAlterColumnStatement AlterTableAlterIndexStatement AlterTableAlterPartitionStatement AlterTableChangeTrackingModificationStatement AlterTableConstraintModificationStatement AlterTableDropTableElement AlterTableDropTableElementStatement ...
AlterTableChangeTrackingModificationStatement AlterTableConstraintModificationStatement AlterTableDropTableElement AlterTableDropTableElementStatement AlterTableFileTableNamespaceStatement AlterTableRebuildStatement AlterTableSetStatement AlterTableStatement AlterTableSwitchStatement AlterTableTriggerModification...
_column_alias [ , ...n ] ) ] | user_defined_function [ [ AS ] table_alias ] | OPENXML <openxml_clause> | derived_table [ [ AS ] table_alias ] [ ( column_alias [ , ...n ] ) ] | <joined_table> | <pivoted_table> | <unpivoted_table> | @variable [ [ AS ] table_...
_column_alias [ , ...n ] ) ] | user_defined_function [ [ AS ] table_alias ] | OPENXML <openxml_clause> | derived_table [ [ AS ] table_alias ] [ ( column_alias [ , ...n ] ) ] | <joined_table> | <pivoted_table> | <unpivoted_table> | @variable [ [ AS ] table_...
_column_alias [ , ...n ] ) ] | user_defined_function [ [ AS ] table_alias ] | OPENXML <openxml_clause> | derived_table [ [ AS ] table_alias ] [ ( column_alias [ , ...n ] ) ] | <joined_table> | <pivoted_table> | <unpivoted_table> | @variable [ [ AS ] table_...