MC Evaluate the following statements:

1. Record-at-a-time DML means that the query gets recorded from the user at the time the user inputs the query and then gets processed.
2. Record-at-a-time DML means that navigating the database starts with positioning on one specific record and going from there onwards to other records.
3. Set-at-a-time DML means that the query gets set beforehand and then gets processed by the DBMS.
4. Set-at-a-time DML means that many records can be retrieved in one DML statement. 2 and 3 are right incorrect 2 and 4 are right correct 1 and 3 are right incorrect 1 and 4 are right incorrect 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 B incorrect Only A correct Neither A or B incorrect A and B incorrect MC CODASYL is an example of... A Relational DBMS incorrect A Hierarchical DBMS incorrect A Network DBMS correct An Object-Oriented DBMS incorrect MC Statement A: Native XML DBMSs map the hierarchical structure of an XML document to a physical storage structure, because they are able to use the intrinsic structure of an XML document.

Statement B: XML-enabled DBMSs are able to store XML data in an integrated and transparent way, because they are able to use the intrinsic structure of an XML document.

Which statement(s) is/are correct? Only A correct A and B incorrect Neither A or B incorrect Only B incorrect MC Which of these is part of the Query Processor in the Architecture of a DBMS? DDL compiler incorrect Transaction Manager incorrect DML compiler correct Security Manager incorrect 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: Recovery manager, B: Buffer manager incorrect A: Recovery manager, B: Transaction manager correct A: Lock manager, B: Lock manager incorrect A: Lock manager, B: Recovery manager incorrect 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 A and B incorrect Only B incorrect Only A correct MC Evaluate the following statements:

1. Record-at-a-time DML means that the query gets recorded from the user at the time the user inputs the query and then gets processed.
2. Record-at-a-time DML means that navigating the database starts with positioning on one specific record and going from there onwards to other records.
3. Set-at-a-time DML means that the query gets set beforehand and then gets processed by the DBMS.
4. Set-at-a-time DML means that many records can be retrieved in one DML statement. 2 and 4 are right correct 1 and 3 are right incorrect 2 and 3 are right incorrect 1 and 4 are right incorrect MC Statement A: In a Hierarchical DBMS, DML is declarative and set oriented with a query processor.

Statement B: In a relational DBMS, there is data independence between the conceptual and internal data model.

Which statement(s) is/are correct? Only B correct Only A incorrect Neither A or B incorrect A and B incorrect MC Which of these is not a part of the Storage Manager in the DBMS Architecture? Recovery Manager incorrect Connection Manager correct Transaction Manager incorrect Buffer Manager incorrect