Welcome to SQL Primer.
What is SQL? SQL stands for Structured Query Language and is the lingua franca in the database world. SQL is a standard that is used by all database vendors and programmers to define, extract and access the information that is stored in databases. SQL began life as an IBM creation but was standardized by the American National Standards Institute (ANSI) and the International Organization for Standardization (ISO) as ANSI/ISO SQL in 1986 and 1987. Since then ANSI/ISO SQL standard continued to evolve.
Learning about SQL and databases should be a simple and fun exercise for programmers and web developers. Unfortunately, the powerful features and richness in the language is intimidating to beginners wanting to learn about SQL. This website was created to aid beginners understand the fundamentals of SQL. All concepts and discussions are well-illustrated by easy-to-understand examples.