Microsoft has just added support for query hints to Azure SQL Database, giving database administrators a powerful tool to manage the performance of ISV application code. Here's how it works. Database ...

Read this SQL tutorial to learn when to use SELECT, JOIN, subselects and UNION to access multiple tables with a single statement. We may earn from vendors via affiliate links or sponsorships. This ...

I have a txt file with two fields. I want to update a value in a table in a SQL Server Db with a value from one of the fields in the text file. I want to do this based on a query using the second ...

Here's a look at different ways to query Hadoop via SQL, some of which are part of the latest edition of MapR's Hadoop distribution SQL: old and busted. Hadoop: new hotness. That’s the conventional ...