Database Systems MCQs (Computer Science) From Textbook

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Database Systems Exam Prep MCQs – Mock Test 108

Java Database Connectivity (JDBC) MCQ with Answers PDF Download – Test 108

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The MCQ: A technique that can be used by malicious hackers to steal data or damage the database, is known as; "Java Database Connectivity (JDBC)" App (Free Android & iOS) with answers: sql reader, sql injection, sql active listener, and sql passive listener for computer and information science. Practice Advanced SQL Questions and Answers, Google e-Book to download free chapter for 2 year computer science degree.

Java Database Connectivity (JDBC) MCQ – Mock Test 108 PDF Download

MCQ: 536

A technique that can be used by malicious hackers to steal data or damage the database, is known as

  1. SQL injection
  2. SQL reader
  3. SQL passive listener
  4. SQL active listener
MCQ: 537

A database system involves major components: hardware, software and

  1. User
  2. Data
  3. Both A and B
  4. Command
MCQ: 538

Serializability of schedules can be ensured through a mechanism called

  1. Concurrency control policy
  2. Evaluation control policy
  3. Execution control policy
  4. Cascading control policy
MCQ: 539

Date values can be specified as

  1. date "2001/04/25"
  2. date "2001.04.25"
  3. date "2001-04-25"
  4. date "2001-04-25"
MCQ: 540

The construct that make the query nonmonotonic, is

  1. Aggregation
  2. not exists
  3. except
  4. All of the above

Java Database Connectivity (JDBC) Exam Prep – Database Systems App & e-Book MCQs

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Java Database Connectivity (JDBC) MCQs App (Android & iOS)

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DataBase Management System (MCS) MCQs App (iOS & Android)

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