Conceptual Data Models Quiz Questions and Answers PDF - 41

MCQ 201: In the commercial database management system, the relational database model is also known as

1. implementation data model
2. attribution data model
3. sequential data model
4. functional data model

MCQ 202: In Standard Query Language, the data types included are

1. character string
2. bit-string
3. time stamp
4. all of above

MCQ 203: The characteristic of database management system which allows the program operation independence and program data independence is classified as

1. conceptual abstraction
2. implementation abstraction
3. data abstraction
4. interface abstraction

MCQ 204: In the modeling of union type classes, the total category of super class is represented by

1. triple line
2. double line
3. single line
4. inverted comma

MCQ 205: The variable in DBMS used to communicate error conditions between database management system and program are

1. SQLCODE
2. SQLSECTION
3. SQLSTATE
4. both b and c