Database Management System Practice Test 41
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The Conceptual Data Models Quiz Questions and Answers PDF (Conceptual Data Models Quiz with Answers PDF e-Book) download Ch. 1-41 to prepare Database Management System Practice Tests. Solve Data Modeling Entity Relationship Model MCQ with answers PDF, Conceptual Data Models Multiple Choice Questions (MCQ Quiz) for top computer science schools. The Conceptual Data Models Quiz App Download: Free learning app for conceptual data models, sql data definition and types, data independence, modeling: union types, embedded and dynamic sql test prep for computer science associate degree.
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Conceptual Data Models Questions and Answers PDF Download: MCQ 41
In the commercial database management system, the relational database model is also known as
- implementation data model
- attribution data model
- sequential data model
- functional data model
In Standard Query Language, the data types included are
- character string
- bit-string
- time stamp
- all of above
The characteristic of database management system which allows the program operation independence and program data independence is classified as
- conceptual abstraction
- implementation abstraction
- data abstraction
- interface abstraction
In the modeling of union type classes, the total category of super class is represented by
- triple line
- double line
- single line
- inverted comma
The variable in DBMS used to communicate error conditions between database management system and program are
- SQLCODE
- SQLSECTION
- SQLSTATE
- both b and c
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Conceptual Data Models Practice Tests
- In a particular time, data available in database at specific moment is called
- Module of DBMS which focuses on eliminating redundancies, operations reordering and rearrangements is classified as
- Problem arises because of incompatibility between data structures of programming language and database management structures is called
- Command in SQL which is used when any of schema is no longer needed in relation is classified as
- Category which considers union of super class entities is called
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