The daily routine of an IT professional remains largely reactive. A lot of time and budget is spent responding to tickets, limiting the time that we spend creating systems that drive growth and ...
First introduced in SQL Server 2012, columnstore indexes can give you major performance gains -- provided you have the right workloads. Here's how columnstore indexes work and what types of data work ...
Modifies a column's values in existing rows of a table or view. Restriction: You cannot use UPDATE on a table accessed via an engine that does not support UPDATE processing. You can update one or more ...
The world of the data professionals and DBAs is swirling with threats and risks, and those dangers are on the rise. You’re probably accustomed to using longstanding database features to secure your ...
Read this SQL tutorial to learn when to use SELECT, JOIN, subselects and UNION to access multiple tables with a single statement. It’s sometimes difficult to know which SQL syntax to use when ...
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