This article explains the query editor's features and functions in SQL Server Management Studio (SSMS). 备注 If you want to learn how to use Transact-SQL (T-SQL) F1 Help, please view theTransact-SQL F1 Helpsection. If you want to learn about tasks that you can do with the editor, pl...
[ , ] ...n ] ] ) |FORTIMESTAMPASOF'<point_in_time>'}::={NOEXPAND[ ,INDEX(<index_value>[ , ...n ] ) |INDEX= (<index_value>) ] |INDEX(<index_value>[ , ...n ] ) |INDEX= (<index_value>) |FORCESEEK[ (<index_value>(<index_column_name>[ , ... ] ) ) ] |FORCESC...
[ , ] ...n ] ] ) |FORTIMESTAMPASOF'<point_in_time>'}::={NOEXPAND[ ,INDEX(<index_value>[ , ...n ] ) |INDEX= (<index_value>) ] |INDEX(<index_value>[ , ...n ] ) |INDEX= (<index_value>) |FORCESEEK[ (<index_value>(<index_column_name>[ , ... ] ) ) ] |FORCESC...
In this article Prerequisites Connect to a SQL Server instance Create a database Create a table Show 4 more Applies to: SQL ServerGet started using SQL Server Management Studio (SSMS) to connect to your SQL Server instance and run some Transact-SQL (T-SQL) commands.Note...
column a, and has a clustered index on column b. In SQL Server 2008, this partitioned table is treated internally as a nonpartitioned table with the schema T(PartitionID, a, b, c) and a clustered index on the composite key (PartitionID, b). This allows the query optimizer to ...
You can create a query by working in any of the panes: you can specify a column to display by choosing it in the Diagram pane, entering it into the Grid pane, or making it part of the SQL statement in the SQL pane. The Diagram, Grid, and SQL panes are synchronized — when y...
Create a primary key on RowId column AND Recreate the table in way like this: CREATE TABLE [datatable]( [RowID] [int] IDENTITY(1,1) PRIMARY KEY, [CampaignID] [int] NOT NULL, [Category] [nvarchar](255) NOT NULL, [PostID] [int] NOT NULL, --uncomment if needed [TopicNameHash] AS...
OK, if you want to use where clause in delete command, you can put index on the fields which you have in where clause to raise performance http://www.rad.pasfu.com Tuesday, November 16, 2010 8:39 PM I added Non-clustered index on column which is using in where caluse but still ...
When you query thesys.dm_xe_objectsdynamic management object in Microsoft SQL Server 2014 or Microsoft SQL Server 2012, the Description column in the query result might contain incorrect values. Note This ...
[Flat File Source [2]] Error: The column delimiter for column "Fans (Lifetime)" was not found. [Forum FAQ] How to fix the Error “The column XX cannot be processed because more than one code page (65001 and 1252) are specified for it” in SSIS? [Microsoft][ODBC SQL Server Driver...