Database Systems Practice Test 250
Selection Operation in Query Processing MCQs (Multiple Choice Questions) PDF Download - 250
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The Selection Operation in Query Processing Multiple Choice Questions (MCQ) with Answers PDF (Selection Operation in Query Processing MCQs PDF e-Book) download Ch. 18-250 to study Database Systems Practice Tests. Study Query Processing quiz answers PDF, Selection Operation in Query Processing Multiple Choice Questions (MCQ Quiz) for online computer science degrees. The Selection Operation in Query Processing MCQs App Download: Free Database Systems Study App for transaction and concurrency control, view of data, database views, join operation, selection operation in query processing test prep for top computer science schools in the world.
The MCQs: Multiple records can be retrieved by using the; "Selection Operation in Query Processing" App (Android, iOS) with answers: primary index, secondary index, scrub index, and cluster index for online computer science degrees. Practice Query Processing Questions and Answers, Google eBook to download free sample to learn free online courses.
Selection Operation in Query Processing MCQ with Answers PDF Download: Quiz 250
Multiple records can be retrieved by using the
- Secondary index
- Primary index
- Cluster index
- Scrub index
All three forms of outer join compute the
- Join
- Intersection
- Set difference
- Unity
Once we have defined a view, we can use the view name to refer to the
- View definition
- Virtual relation
- Virtual schema
- View schema
Application programs are said to define physical data independence if they do not depend on the
- Model schema
- Subschema
- Logical schema
- Physical schema
A file containing diagnostic data used to investigate problems at administrative side is called
- Trace log
- Diagnosis log
- Trace file
- Diagnosis file
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Selection Operation in Query Processing Practice Tests
- To find logically implied functional dependencies, types of rules to be followed are of type
- For language constructs, program fetches query results one row at a time into
- E-R data model employs basic concepts of type
- A data-definition language is provided by database system to specify database's
- Rename operation of any relational algebra is