For our purposes, all examples are in standard SQL, and these basic functions should translate to almost any environment. Data query types There are four basic types of data queries in SQL: ...

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 ...