A climate database, for example, may consist of entities that track weather for states, cities and neighborhoods. In this instance, a neighborhood is a "child" of a city and a city is a child of a ...

Database Design 101 Queries work well if the databases are designed correctly. Here's what you need to know to build the foundations for your SQL Server databases. By Anil Desai 04/01/2001 Most IT ...

Relational database management systems (RDBMS) rely on an optimizer (or relational optimizer) that transforms SQL statements into executable code. Before any SQL statement can be run by the RDBMS, the ...