问获取错误sql server中的内存优化表不支持'alter table add index‘操作。ENselect syscolumns.name,syst...
Sometimes after a table has been created in a database, we find that it is advantageous to add an index to that table to speed up queries involving this table (to understand what an index is and how it can help speed up SQL queries, please see the INDEX section). To do this in SQL...
level2_object_type 的数据类型为 varchar(128),其默认值为 NULL。有效的输入是 COLUMN、PARAMETER、INDEX、CONSTRAINT、TRIGGER 和 NULL。 [ @level2name = ] { 'level2_object_name' } 指定的 2 级对象类型的名称。level2_object_name 的数据类型为 sysname,其默认值为 NULL。 返回代码值 0(成功)或 1(...
SQL Server有两种类型的文件组:· 主文件组:包含主数据文件和任何没有明确分配给其他文件组的其他文件。系统表的所有页均分配在主文件组中。·用户定义文件组:用户定义文件组是通过在CREATE DATABASE或ALTER DATABASE语句中使用FILEGROUP关键字指定的任何文件组。
syntaxsqlKopieren sp_addlinkedserver[ @server = ]N'server'[ , [ @srvproduct = ]N'srvproduct'] [ , [ @provider = ]N'provider'] [ , [ @datasrc = ]N'datasrc'] [ , [ @location = ]N'location'] [ , [ @provstr = ]N'provstr'] [ , [ @catalog = ]N'catalog'] [ , [ ...
0x10 Generates a corresponding clustered index. Even if this option isn't set, indexes related to primary keys and UNIQUE constraints are generated if they are already defined on a published table. 0x20 Converts user-defined data types (UDT) to base data types at the Subscriber. ...
Create index Create tables Drop index Drop table Removing a column Data Types Table-Valued Parameters Date & Time Improvements Transactions Errors in provider Interfaces How-to Topics Native Client ODBC Server Management Objects (SMO) SQLXML Windows Management Instrumentation ...
Add Primary Key Create Index Syntax Add Constraint Add Column Constraint Create Index on Table Variable How to Create a Type2 SCD (Slowly Changing Dimension) Create Table Alter Table Add Column Alter Table Drop Column SQL Server Keywords (Reserved Words)Post...
AlterServerRoleStatement AlterServiceMasterKeyOption AlterServiceMasterKeyStatement AlterServiceStatement AlterSymmetricKeyStatement AlterTableAddTableElementStatement AlterTableAlterColumnOption AlterTableAlterColumnStatement AlterTableAlterIndexStatement AlterTableAlterPartitionStatement ...
dbForge Index ManagerdbForge Index Manager2021-09-102008-2018DevartNo$119 dbForge SearchdbForge Search2019-10-102008-2018DevartYesNo dbForge MonitordbForge Monitor2019-10-102012-2018DevartYesNo dbForge SQL CompletedbForge SQL Complete2021-10-052000-2018DevartYes$199 ...