⟩ What company owns PostgreSQL?
None. PostgreSQL is an unincorporated association of volunteers and companies who share code under the PostgreSQL License.
None. PostgreSQL is an unincorporated association of volunteers and companies who share code under the PostgreSQL License.
How do you communicate with an RDBMS?
Which part of the RDBMS takes care of the data dictionary? How?
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?