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Selection Operation in Query Processing Trivia Questions and Answers PDF Download eBook p. 77

Solve Selection operation in query processing trivia questions and answers PDF, selection operation in query processing quiz answers to prepare data science worksheet 77 for online board exam 2022. Practice Query Processing quiz with answers, selection operation in query processing Multiple Choice Questions (MCQ) for online DBMS, DBA. Free selection operation in query processing MCQs, java database connectivity (jdbc), modification of database, er diagrams symbols, encryption and applications, selection operation in query processing test prep for top online computer science programs.

"A3 search performs retrieval of multiple records by using a primary index specifying the", selection operation in query processing Multiple Choice Questions (MCQ) with choices inequality comparison on a nonkey attribute, equality comparison on a key attribute, equality comparison on a nonkey attribute, and inequality comparison on a key attribute for online SQL language certification. Learn query processing questions and answers with free online certification courses for online computer science engineering.

Selection Operation in Query Processing Questions and Answers PDF Download eBook

Selection Operation in Query Processing Quiz

MCQ: A3 search performs retrieval of multiple records by using a primary index specifying the

  1. Equality comparison on a key attribute
  2. Inequality comparison on a nonkey attribute
  3. Equality comparison on a nonkey attribute
  4. Inequality comparison on a key attribute

C

Encryption and Applications Quiz

MCQ: The process of transforming data into an unreadable form is known as

  1. Encryption
  2. Modulation
  3. Theft
  4. Forgery

A

ER Diagrams Symbols Quiz

MCQ: In an E-R diagram, the attributes of a relationship set is represented by

  1. Circle
  2. Square
  3. Divided rectangle
  4. Undivided rectangle

D

Modification of Database Quiz

MCQ: We can choose the tuples to be updated by using a query, as we could for

  1. Insert
  2. Delete
  3. Both A and B
  4. Retrieval

C

Java Database Connectivity (JDBC) Quiz

MCQ: After turning off the automatic commit, transactions must be committed or rolled back explicitly using the method

  1. conn.commit()
  2. conn.setCommit()
  3. conn.getCommit()
  4. conn.setAuto()

A