What is the difference between SQL, PL-SQL and T-SQL?

Question

What is the difference between SQL, PL-SQL and T-SQL?

Can anyone explain what the differences between these three are, and provide scenarios where each would be rele

Answer 1

1. SQL or Structured Query Language was developed by IBM for their product "System R".

Later ANSI made it as a Standard on which all Query Languages are based upon and have extended this to create their own DataBase Query Language suits. The first standard was SQL-86 and latest being SQL:2011

2. T-SQL or Transact-SQL was developed by Sybase and later co-owned by Microsoft SQL Server.

3. PL/SQL or Procedural Language/SQL was Oracle Database, known as "Relation Software" that time.

I've documented this in my blog post.