---
title: "SQL-PLSQL GURU"
description: "SQL tips and example queries to your practice."
url: https://srinimf.com/2014/04/30/sql-plsql-guru/
date: 2014-04-30
modified: 2018-07-13
author: "Srini"
categories: ["SQL"]
tags: ["SQL tips and tricks"]
type: post
lang: en
---

# SQL-PLSQL GURU

SQL was one of the first commercial languages for Edgar F. Codd’s relational model, as described in his influential 1970 paper, “A Relational Model of Data for Large Shared Data Banks.” Despite not entirely adhering to the relational model as described by Codd, it became the most widely used database language.

- [32 Complex SQL queries](https://srinimf.com/2012/07/25/complex-sql-queries/)

SQL became a standard of the American National Standards Institute (ANSI) in 1986, and of the International Organization for Standardization (ISO) in 1987.

References

- [A website on SQL and PLSQL](https://sqlnplsqlguru.blogspot.com/)

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