There are four basic types of data queries in SQL: SELECT: This statement asks the database to return a specified result set of data; you use this to retrieve information that is stored in your ...

Learn how to master the SELECT statement to form truly useful data queries. This article explains functions, clauses, and keywords that will make your life a lot easier.

SQL Basics I: Data Queries —covers database terminology and the four basic query types. SQL Basics: SELECT statement options —covers the SELECT statement in detail and explains aggregate ...

A basic SQL SELECT query has two main clauses: SELECT, which tells the server which columns you want to return, and FROM, which tells the server from which tables you want to retrieve data.

Want faster SQL queries? Here are nine best practices for writing SQL queries that work like a charm (or at least, like they should).

Tables, views, and queries may be blurred together. This facet is why a view may be described as simply a “named” query. As one composes SQL Select statements, the author may use another query in ...

Assuring optimal performance of database applications starts with coding properly formulated SQL. Poorly written SQL and application code is the cause of most performance problems. As much as 75% of ...

However, there are any number of queries in any application that SQL Server may never see again (at least in, for example, the next 24 hours). The plans for these "one-time" queries are taking up ...