In this article, you will learn how to create a clustered index in SQL using the CREATE INDEX statement, and some best practices and tips to optimize your clustered index design. A clustering key ...

Dropping an index in SQL is a common task for database developers, especially when they need to optimize the performance, storage, or maintenance of their tables. However, dropping an index also ...

Indexes are special lookup tables that the database search engine can use to speed up data retrieval. Simply put, an index is a pointer to data in a table. An index in a database is very similar to an ...

Reindexing tables is an important part of good database housekeeping, because it reorganizes the indexes and restores speedy access. Microsoft's SQL Server has a handy command that rebuilds all ...

SAS maintains indexes for all changes to the table, whether the changes originate from PROC SQL or from some other source. Therefore, if you alter a column's definition or update its values, the same ...

Use this procedure to estimate the amount of space that is required to store a nonclustered index in SQL Server. Calculate variables for use in steps 2 and 3. Calculate the space used to store index ...

Indexing can dramatically increase query speed. However, DBAs still struggle with finding optimal indexes or optimal SQL plans. DBTA held a webinar with Gary Jerep, solutions consultant, Quest ...

which identifies impactful secondary indexes for SQL databases to efficiently use available resources such as CPU, I/O and storage. It has been validated on thousands of databases which support ...