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Describe the various types of Online Analytical Processing (OLAP) tools and briefly discuss how the support common analytical operations.
What is Relational DBMS This is our subject of study. A DBMS is relational if the data is organized into relations, that is, tables. In RDBMS, all data are kept in the well-kno
Design a database for an airline.The database must keep track of customers and their reservations,flights and their status, seat assignment on individual flights and, the schedule
1. Develop a flowchart using the decision structure to solve the following problem. A Box Lunch Bonanza is a small catering company that offers 2 different types of box lunches
Define blocks? The database system resides eternally on non-volatile storage, and is into fixed-length storage units known as blocks.
What is authorization graph? Passing of authorization from single user to another can be shown by an authorization graph.
What function divides one numeric expression by another and returns the remainder? MOD function divides one numeric expression by another and returns the remainder.
What is the difference among a database schema and a database state? The collection of information stored in database at particular moment in time is known as database state a
What is persistency? Persistency ensures which data is stored and that after the object is no longer available (program stops running) the data will be available to other users
Evaluate: a.When transactions T1 and T2 are in a deadlock, one of the transactions will eventually implement to completion and let the other one continue implementation. b.
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