A brief history of SQL.
Today I got an email from a student who is pursuing his Bachelors degree in Computer Application (BCA). He visited my blog and sent me an email regarding his confusion with terms like SQL, T-SQL, PL/SQL, and asked me what is differences between them and how are they related? I had a chat with him and told the basic differences, but he further asked me how they are related to Microsoft SQL Server, Oracle, MySQL, etc? As he is studying SQL only based upon Oracle in his course curriculum, these all terms were not clear to him, so I cleared all his doubts while chatting with him.
After a while I had a same reminiscence that when I was a student I also had these doubts and confusions, and there was nobody to guide me, but I gradually came to know about this and it took some…
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