RDBMS

This type of database in RDBMS contains data assisting needs of middle management to monitor and control business activities by effective and efficient management of men, machines and money.

This module in transaction model moves data between memory and disk using some page replacement policy.

This approach in database design starts with enterprise level model preparing data model for entire application domain.

This form of index in index sequential files contains one anchor per cylinder and it is stored in separate areas.

This HDBMS module processes HSQL query statement and translates them into an intermediate tree representation containing algebraic operations.

This utilities of DBMS refers to dumping entire database on tapes for recovery from media failures, may be online or offline.

The physical structure of the database consists of datafiles, redo log files and control files.

This parameter in evaluating performance of a file organisation specifies what percentage of records are added, modified and deleted over a period of time.

This object in Oracle is a set of tables and views that are used as a read only reference about the database.

This operator in relational algebra selects a subset of tuples of the relation that satisfy a select condition.

This form of normalisation states that non-key attributes are functionally dependent on the key attributes.

This form of data integrity refers to the range of valid entries for a given column.

This file in physical data organisation of data storage devices holds instances of many different record types.

This layer decomposes the distributed calculus query into an algebraic query on global relations.

This method is used to store varying length records in the database which allocate maximum length required by a field and use spaces/null for shorter values.