SQL Server Management Studio won't let me add an index to a table
Solution 1
Solution: Close your table designers and database diagrams and try again. If that doesn't help, close all windows in Management Studio.
Cause: The "New Index" option gets disabled when the table is schema-locked by the designer window.
Solution 2
It could be a rights issue, or perhaps you've become disconnected. Try using code to add the index; that may resolve your issue, or report a more meaningful exception for you to work from:
create index ix_MyTable_Column1
on dbo.MyTable(Column1 asc)
http://msdn.microsoft.com/en-us/library/ms188783.aspx
Solution 3
Close the table if opened in the designer. Right click on Indexes for the table and select Rebuild All. This will fix it...
Solution 4
In my case, which was a view, not a table, it was because the view wasn't created with Schema Binding. I altered it use Schema Binding and then I could add the index to the view. HTH.
Solution 5
Table does not have a clustered primary key as required by the spatial index. Make sure that the primary key column exists on the table before creating a spatial index.
yarning
Updated on July 24, 2022Comments
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yarning almost 2 years
When I right click on the indexes folder in the table the "New Index" menu item is grayed out. I don't understand why. I've deleted all data in the table just in case, and refreshed and restarted SSMS, but no luck. I'm using SQL Server 2012 Business Intelligence SP1 CTP.
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Valamas about 10 yearsThanks. Microsoft, please improve that. It is very annoying seeing
new index
greyed out. -
aruno over 9 yearsyes you do have to close table designers that have nothing to do with the table in question. grr
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MikeTeeVee over 8 yearsI had the same issue when trying to add "Included Columns". I just now realized that for years (a Decade exactly) all I had to do was close the Table Designer and right-click on the Index to select "Properties" in order to add/edit them.... All these years wasted on writing custom scripts. face-palm I want my youth back!
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Al Kepp over 7 yearsWow, this saved my day! +1
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derekbaker783 almost 3 yearsThis can also happen when deleting an index (causing it to be greyed out)