Optimization basically related to the Rewrite module is termed as               

Related MCQs

• ………………….. operator is basically a join followed by a project on the attributes of first relation.
• An entity set that does not have sufficient attributes to form a primary key is termed a
• Which is the central component of the DBMS software that can also be termed as the database control system?
• An entity set that does not have sufficient attributes to form a primary key is termed a __________
• In the relational modes, cardinality is termed as:
• Which of the following has each related entity set has its own schema and there is an additional schema for the relationship set?
• Which of the following has each related entity set has its own schema and there is an additional schema for the relationship set.
• …………………… is the process of organizing data into related tables.
• The related and interconnected software components of a DBMS are described by the _______:
• In which ways two tables may be related: