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Database Systems Competitive Exam MCQs – Practice Test 29 (Chapter 1)

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Free "Database Systems Learning" App Download with MCQ: Performing ranking along with a groupby clause, partitioning is applieed over the results of the; with answers: group by clause, order clause, where clause, and select clause. Solve SQL Data Types and Schemas Quiz Questions, download Google e-Book (Free Chapter) to strengthen online participation.

Advanced SQL MCQs – Practice Test 29 PDF Download

MCQ 141: Performing ranking along with a groupby clause, partitioning is applieed over the results of the:

  1. Order clause
  2. Group by clause
  3. Where clause
  4. Select clause

MCQ 142: The getColumnCount method returns the:

  1. Number of columns
  2. Number of tuples
  3. Number of attributes
  4. Number of relations

MCQ 143: The term that must be closed at the end of the Java program, is:

  1. Statement
  2. Connection
  3. Query
  4. Both A and B

MCQ 144: SQL queries are invoked from the:

  1. Query itself
  2. Host language
  3. System language
  4. SQL

MCQ 145: The clause that can serve to collect multiple SQL statements into a single compound statement, is said to be:

  1. begin ... end
  2. begin atomic ... end
  3. start atomic ... Terminate
  4. EXEC begin ... EXEC end

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