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Terminology used and implementation features

We imply that the terms “table” and “relation”; “row” and “tuple”; “column”, “attribute”, and “field” are synonyms. Readers interested in terminology subtleties may refer to the fundamental work by C.J.Date [1].

When writing queries online, use  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 2012 syntax in case you need specific features not included in the SQL standard (e.g., built-in functions). All scripts in this book have been tested against this DBMS, and it’s also used on the SQL-EX.RU site. Reference information on special aspects 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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