What is SQL Language?
SQL
(Structured Query Language) Pronounced "SQL" or "see qwill," a language used to interrogate and process data in a relational database. Originally developed by IBM for its mainframes, there have been many implementations created for mini and micro database applications. SQL commands can be used to interactively work with a database or can be embedded within a programming language to interface to a database.
The following SQL query selects customers with credit limits of at least $5,000 and puts them into sequence from highest credit limit to lowest.
SELECT NAME, CITY, STATE, ZIPCODE
FROM CUSTOMER
WHERE CREDITLIMIT > 4999
ORDER BY CREDITLIMIT DESC
Links supporting SQL Programming:
http://www.programmingtutorials.com/
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