Database Systems MCQs - Chapter 18
Query Processing Multiple Choice Questions (MCQs) PDF Download - 9
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Query Processing MCQs with Answers PDF Download: MCQ Quiz 9
Instead of minimizing the response time, optimizers can minimize a query plan's
- Disk usage
- Resource consumption
- Pipeline size
- Indices length
The basic steps involved in processing a query is of type
- 2 types
- 3 types
- 4 types
- 5 types
For subsequent use, the result of each evaluation is
- Materialized
- Pipelined
- Modified
- Joined
For optimization of a query, a query optimizer must know the
- Evaluation plan
- Execution plan
- Query plan
- Cost plan
The pipeline type in which the system makes repeated requests for tuples from the operation at the top of the pipeline is known as
- Producer-driven pipeline
- Demand-driven pipeline
- Blocking pipeline
- Double pipeline
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- Branch of calculus which is based on mathematical logic is classified as
- In a query tree, operations of relational algebra are classified as
- Constraints that are applied on individual tuples and are verified whenever any tuple is modified or new tuple is inserted are called
- In linear hashing, formula used to calculate number of records if blocking factor, loading factor and file buckets are known is as
- First step in designing high level conceptual data model is
Query Processing MCQ Book Questions
- Binary relationship sets in UML can be represented by just drawing a line connecting
- Process of mirroring disk to ensure reliability, is a/an
- Indexing based on a sorted order of values are called
- Data dictionary cache is also known to be
- A collection of conceptual tools for describing data, data relationships, data semantics, and data constraints, is known as