November 2003
Intermediate to advanced
816 pages
14h 53m
English
Content preview from Transact-SQL Desk Reference
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1.5. THE SQL LANGUAGE AND MSS'S TRANSACT-SQL
The Microsoft SQL Server implementation of the SQL language is called Transact-SQL. Programming languages, such as Visual Basic (VB), Pascal, C, and COBOL, are 3GLs (third-generation languages), which means they are procedural. The programmer specifies each step that the program is to take. SQL is a 4GL and is a declarative language (also called a nonprocedural language): The programmer declares what he or she wants, but not how to get it. For example: “List all employee names and telephone numbers from the emps table who were hired on or after 1 January, 2003” would be accomplished by the following SQL (Transact-SQL).
| SQL |
|---|
SELECT ename, telnum FROM emps WHERE hiredate >= '1 Jan, 2003'; |
How to implement ...
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