
indexing - What is an index in SQL? - Stack Overflow
Jun 2, 2010 · In SQL Server, a clustered index determines the physical order of data in a table. There can be only one clustered index per table (the clustered index IS the table).
sql - How to use index in select statement? - Stack Overflow
Jul 6, 2011 · For traditional SQL Server, the filters you define in your 'Where' clause should persuade the engine to use any relevant indices... Provided the engine's execution plan can …
sql - How does database indexing work? - Stack Overflow
Given that indexing is so important as your data set increases in size, can someone explain how indexing works at a database-agnostic level? For information on queries to index a field, check …
What is the ideal indexing strategy for SQL Server? [closed]
What is the ideal indexing strategy for SQL Server? [closed] Asked 14 years, 9 months ago Modified 7 years, 5 months ago Viewed 17k times
sql server - What columns generally make good indexes? - Stack …
As a follow up to "What are indexes and how can I use them to optimise queries in my database?" where I am attempting to learn about indexes, what columns are good index candidates? …
Speeding up a SQL query with indexes - Stack Overflow
Jun 16, 2015 · Speeding up a SQL query with indexes Asked 10 years, 5 months ago Modified 10 years, 5 months ago Viewed 39k times
sql server - Multiple Indexes vs Multi-Column Indexes - Stack …
In SQL Server 2005, you can also add additional columns to the index that are not part of the key which can eliminate trips to the rest of the row. Having multiple indexes, each on a single …
indexing - SQL Server - When to use Clustered vs non-Clustered …
Aug 19, 2013 · But only if you pick a good clustered index. It's the most replicated data structure in your SQL Server database. The clustering key will be part of each and every non-clustered …
sql server - What do Clustered and Non-Clustered index actually …
369 In SQL Server, row-oriented storage both clustered and nonclustered indexes are organized as B trees. (Image Source) The key difference between clustered indexes and non clustered …
indexing - SQL Server; index on TEXT column - Stack Overflow
If you search for a substring in the beginning of the field (LIKE 'string%') and use SQL Server 2005 or higher, then you can convert your TEXT into a VARCHAR(MAX), create a computed …