This is regarded as one of the most successful open source database in the world. This is also used to create advanced applications. This relies on Object relational database management system. Familiarity with UNIX and Linux can be an added advantage while using PostgreSQL.
What are the primitive operations common to all record management systems?
What are the unary operations in Relational Algebra?
What do you mean by Correlated subquery?
What are database files, control files and log files. How many of these files should a database have at least? Why?
Name the sub-systems of a RDBMS?
What is RDBMS KERNEL?
Define SQL and state the differences between SQL and other conventional programming Languages?
What is a query?
What is Oracle Block? Can two Oracle Blocks have the same address?
Name the buffer in which all the commands that are typed in are stored?
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