Structured Query Language (SQL) is a standard for communicating with a database that is maintained by ANSI. The latest version is SQL-99, though a new standard is in the works (SQL-200n).

SQL Insider Drilling Down on Queries Now that you understand the basic structure of a SQL application, let's dissect the basis of information retrieval: the query. By Anil Desai 02/01/2001 ...

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 ...

Get nearly 24 hours of educational content.In the SQL 101 course, you’ll learn important fundamentals you need to start writing meaningful queries using the language. In the other courses, you ...

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 ...