Database Systems MCQs - Chapter 18
Query Processing Multiple Choice Questions (MCQ) PDF Download - 10
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Query Processing MCQ with Answers PDF Download: Quiz 10
An A1-search algorithm is applicable to any file, despite of the file's ordering or
- Nature of selection operation
- Availability of indices
- Availability of access paths
- Both A and B
The A2 search algorithm does an
- Equality comparison
- Inequality comparison
- No comparison
- Nonkey comparison
File scans are algorithms for
- Searching
- Locating
- Retrieving
- Indexing
The term that takes a query-evaluation plan, executes the plan, and returns the answers to the query, is called
- Query-execution engine
- Query-plan engine
- Execution engine
- Query-evaluation engine
The cost of evaluation of query can be measured in terms of different resources, disk accesses and
- CPU time
- Distributed or parallel database system
- Cost of communication
- All of the above
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Database Systems Practice Questions
Database & MySQL MCQ with Answers
- Time period required to transfer blocks in consecutive order is classified as
- Function which causes retrieval of any kind of data from database is considered as
- If every functional dependency in set E is also in closure of F then this is classified as
- Type of server in two-tier architectures which provides data to client stored on disk pages is called
- Command used in high level programs to transfer record block in to main memory buffer is classified as
Query Processing MCQ Book Questions
- Underlying structure of a database is
- Type of blocks that resides on disk are known as
- User instructs system to perform a sequence of operations on database to compute desired outcome, is known as
- Predicated that succeeds if value on which it is applied is not null, is known to be
- If tuples are satisfying where predicate, then they are placed into groups by