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 ...

The indexes on a the tables of a large database make a huge difference in its performance and utility. Without an index, locating a single record in a large table can take several seconds; with the ...

Unlock the full InfoQ experience by logging in! Stay updated with your favorite authors and topics, engage with content, and download exclusive resources. Agent workflows make transport a first-order ...

Knowing exactly what in-memory OLTP tables are used for will help you make the most of one of SQL Server's newest features. While in-memory online transaction processing (OLTP) tables may sound like a ...

I need to copy a mass amount of tables in SQL Server to the same database (obviously renaming the tables). I need to include constraints, keys, indexes, etc, as well as data. (we need to copy an old ...