When working as an engineer, you will surprisingly often have opportunities to interact with databases. From application ...

What's your situation with regard to web application SQL injection? Are you testing for it from all the right angles? Many people have discovered SQL injection vulnerabilities in their environments ...

Even though you intend to count the same data, your SQL returns 100 records, while the person you are verifying with gets 98.In such cases, if you immediately add conditions just to make the numbers ...

Data management language SQL (originally published as SEQUEL) first appeared in May 1974, so this month marks its 50th anniversary. We spoke to Peter Zaitsev, founder at Percona, to find out why SQL ...

Out of all the programming languages you need to learn in the IT industry, SQL is one of the most important. SQL is so integral to modern big data access and organization processes that it’s never a ...

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 ...