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Terminology used and realization features

We imply that the terms table and relation; row and tuple; column and attribute are of synonymic value. Those who are interested in intricacies of terminology may refer to fundamental work by C.J.Date [1].

In the cases, in which it is necessary to use some specific (e.g. built-in) functions, not stipulated in standard requirements, when writing the queries one  should observe syntactic rules of  Cистема управления реляционными базами данных (СУБД), разработанная корпорацией Microsoft. SQL(Structured Query Language) is a database computer language designed for the retrieval and management of data in relational database management systems (RDBMS), database schema creation and modification, and database object access control management.SQL Server (2005 Version). All the scripts provided in the book have been tested using this DBMS, which is also used on the site SQL-EX.RU. Reference information on peculiarities of implementation can be found in Part III of this electronic book.

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aggregate functions Airport ALL AND AS keyword ASCII AVG Battles Bezhaev Bismarck C.J.Date calculated columns Cartesian product CASE cast CHAR CHARINDEX Chebykin check constraint classes COALESCE common table expressions comparison predicates Computer firm CONVERT correlated subqueries COUNT CROSS APPLY CTE data type conversion data types database schema date/time functions DATEADD DATEDIFF DATENAME DATEPART DATETIME DDL DEFAULT DEFAULT VALUES DELETE DISTINCT DML duplicates EXCEPT exercise (-2) exercise 19 exercise 23 exercise 32 More tags
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