There are only seven of the 27 columns in the table in this query, so those other columns do not need to be read. The other performance benefit of columnstore indexes in SQL Server provide is ...

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 ...

It really is going to come down to how many nonclustered indexes you have on the table, how many transactions per second are writing to the table and how the SQL Server's storage is configured.

SQL Server handles moving historical data to disk ... reduce performance -- your primary reason for using a memory-optimized table. Where an index will have more than 100 entries for the same value, ...

SQL Server 2016 and Azure SQL Database both give you tables ... Explicitly creating your own history table lets you define different indexes or storage options for your historical table. While I've ...

The query optimizer has to figure out by itself what indexes to use ... keys and relations between tables. I’ll explain this by using examples in DDL, using SQL Server syntax.

Despite these minor drawbacks, I definitely recommend exploring the table parameter feature when SQL Server 2008 comes out. Tim Chapman is a SQL Server database administrator who works for a bank ...