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Knowledgebase : Databases
   

1. SQL FORMS THE CORE OF RELATIONAL DATABASES You can't avoid it. The Structured Query Language forms the core of all relational databases. It provides a uniform interface to Oracle, SQL Server, Access and other relational databases and is a "must lear...
Databases are designed to offer an organized mechanism for storing, managing and retrieving information. They do so through the use of tables. If you're familiar with spreadsheets like Microsoft Excel, you're probably already accustomed to storing data...