MC Which of these is not a part of the Storage Manager in the DBMS Architecture? Transaction Manager incorrect Recovery Manager incorrect Connection Manager correct Buffer Manager incorrect
MC Statement A: The Query Parser optimizes and simplifies a query and then passes it on to the Query Executor.
Statement B: In the DBMS architecture, the Storage Manager takes care of concurrency control.
Which sentence(s) is/are correct? A and B incorrect Neither A or B incorrect Only A incorrect Only B correct
MC Complete the following sentence, choosing the right words on place A and B.
When during crash recovery, aborted transactions need to be undone, that is a task of the ...A...
The part of the Storage manager that guarantees the ACID properties is the ...B... A: Lock manager, B: Lock manager incorrect A: Lock manager, B: Recovery manager incorrect A: Recovery manager, B: Buffer manager incorrect A: Recovery manager, B: Transaction manager correct
MC Statement A: The DDL compiler compiles data definitions specified in DDL. It is possible that there is only 1 DDL with 3 instruction sets.
Statement B: The first step of the DDL compiler is to translate the DDL definitions.
Which sentence(s) is/are right? Only A correct Only B incorrect Neither A or B incorrect A and B incorrect
MC Statement A: The Query Parser optimizes and simplifies a query and then passes it on to the Query Executor.
Statement B: In the DBMS architecture, the Storage Manager takes care of concurrency control.
Which sentence(s) is/are correct? Neither A or B incorrect Only A incorrect A and B incorrect Only B correct
MC Statement A: The DDL compiler compiles data definitions specified in DDL. It is possible that there is only 1 DDL with 3 instruction sets.
Statement B: The first step of the DDL compiler is to translate the DDL definitions.
Which sentence(s) is/are right? Neither A or B incorrect Only A correct A and B incorrect Only B incorrect
MC CODASYL is an example of... An Object-Oriented DBMS incorrect A Network DBMS correct A Relational DBMS incorrect A Hierarchical DBMS incorrect
MC Statement A: An OLTP system is able to cope with real-time, simultaneous transactions which the database server is able to process in a huge volume.
Statement B: An OLAP system uses large amounts of operational data to run complex queries on and provide insights for tactical and strategical decision making.
Which statement(s) is/are correct? Only A incorrect A and B correct Neither A or B incorrect Only B incorrect
MC If you want to use a DBMS architecture that can access multiple data sources itself and provides a uniform interface hiding the low-level details, the most appropriate DBMS would be a... n-tier DBMS incorrect Client-Server DBMS incorrect Cloud DBMS incorrect Federated DBMS correct
MC Which of the following DBMS types is not a classification based on a data model? Object-Relational DBMS incorrect Hierarchical DBMS incorrect Network DBMS incorrect Cloud DBMS correct