Database Systems Practice Test 137
Relational Databases Quiz Questions and Answers PDF Download - 137
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The Relational Databases Quiz Questions and Answers PDF (Relational Databases Quiz with Answers PDF e-Book) download Ch. 13-137 to prepare Database Systems Practice Tests. Solve Introduction to DBMS MCQ with answers PDF, Relational Databases Multiple Choice Questions (MCQ Quiz) for computer information science. The Relational Databases Quiz App Download: Free learning app for online analytical processing (olap), database schema, entity relationship diagrams, additional basic operations, relational databases test prep for free online classes.
The Quiz: Each record type defines a fixed number of; "Relational Databases" App Download (Free) with answers: Fields; Variables; Attributes; Unique names; for computer information science. Learn Introduction to DBMS Questions and Answers, Apple eBook to download free sample for online software engineering certification.
Relational Databases Questions and Answers PDF Download: MCQ 137
Each record type defines a fixed number of
- Variables
- Fields
- Attributes
- Unique names
The names of the attributes in the result are derived from the names of the attributes in the relations in the
- From clause
- Define clause
- Select clause
- Where clause
In E-R diagrams, the relationship set associating the weak entity set to the identifying strong entity set is represented by
- Diamond
- Double Diamond
- Rectangle
- Double triangle
The contents of a relation instance may change with time as the relation
- Domain
- Time
- Updated
- Retrieved
Process of switching from finer-granularity data to a coarser granularity can take place by means of
- Functions
- Aggregation
- Integration
- Substitution
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Computer Networks Practice Questions
- Asymmetric Digital Subscriber Line (ADSL), Very high-bit-rate Digital Subscriber Line (VDSL), High-bit-rate Digital Subscriber Line (HDSL) and Symmetric Digital Subscriber Line (SDSL) is referred to as
- Protocol that is designed for use over dial-up links where verification of user is necessary is
- Process-to-process delivery needs two identifiers, Internet Protocol (IP) address and
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Relational Databases Practice Tests
- Operation that allows combination of information from any two relations, is known as
- Output of DDL is placed in data dictionary, placed in
- Examples of nonvolatile storage are magnetic disks and
- A guard against accidental damage to database, is known to be
- For elimination of duplicates, we use keyword DISTINCT after clause