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Results tagged with index
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user 212347
A database structure that can improve the speed of queries at the cost of disk space and slower inserts/updates. It stores a copy of one or more columns sorted but structures the data differently to allow faster access.
1
vote
SQL Server 2014: Why is Clustered Index Rebuild MUCH faster than initial index creation?
The same is true for rebuilding of a clustered index. … So it looks like an index rebuild is actually doing less work than an index create. …
- 146
0
votes
How to index a table using column of another table having relation with it?
[CompanyName] = 'Boeing' ;
I'd create one index on the Company table to optimise filtering on the CompanyName:
CREATE NONCLUSTERED INDEX [IX_Company_CompanyName]
ON dbo.Company
( [CompanyName] … one on the Pilot table to optimise joining on the CompanyID, with the Name column tagged on, in case Boeing has a lot of pilots and you want to slap an ORDER BY clause on the query:
CREATE NONCLUSTERED INDEX …
- 146
1
vote
Can I specify a name for the index which SQL Server creates for my unique constraint?
You can name your unique (or any other) constraint in-line when creating the table:
CREATE TABLE [dbo].[Something] (
[IdentityId] UNIQUEIDENTIFIER NOT NULL
CONSTRAINT [UQ_Something_Ident …
- 146