Jun 23, 2019 · Create unique index IX_Contacts on Contacts(User_ID) Where (IsDefault=1) Says that, for each User_ID, they may have one, and only one, default contact in the Contacts table …

I agree with Cade Roux. This article should get you on the right track: Indexes in SQL Server 2005/2008 – Best Practices, Part 1 Indexes in SQL Server 2005/2008 – Part 2 – Internals One …

While studying for the 70-433 exam I noticed you can create a covering index in one of the following two ways. CREATE INDEX idx1 ON MyTable (Col1, Col2, Col3) -- OR -- CREATE …

Index basically contains the memory location range ( starting memory location where first value is stored to end memory location where last value is stored). So when we insert any value in …

You create an index on a Guid but the index will be sorted to optimise the operations. When the data being inserted is sequential (like columns) the index can simply be appended with …

Dec 30, 2024 · The main differences are: 1) OFFLINE index rebuild is faster than ONLINE rebuild. 2) Extra disk space required during SQL Server online index rebuilds. 3) SQL Server locks …

7 Does anyone have a script to list of CREATE INDEX statements for all existing indexes in a SQL Server database? This thread List of all index & index columns in SQL Server DB has …

Mar 23, 2020 · You can, instead, create an index over a materialized view. A materialized view is a table which is created by evaluating a view, so that you can create an index over it.

Sep 25, 2020 · I have a table of about 100M rows that I am going to copy to alter, adding an index. I'm not so concerned with the time it takes to create the new table, but will the created …

Jun 2, 2010 · An index is used to speed up the performance of queries. It does this by reducing the number of database data pages that have to be visited/scanned. In SQL Server, a …