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Download Database Management System Study App (Free) with MCQ: "Clause used in SQL for ensuring referential integrity is classified as"; with answers: secondary key clause, primary key clause, foreign key clause, and interval key clause. Solve Ordered Records Quiz Questions, download Google e-Book (Free Chapter) to develop IT careers.

Schema Definition, Constraints, Queries & Views MCQs – Practice Test 5 PDF Download

MCQ 21: The clause used in SQL for ensuring referential integrity is classified as:

  1. PRIMARY KEY clause
  2. SECONDARY KEY clause
  3. FOREIGN KEY clause
  4. INTERVAL KEY clause

MCQ 22: In the CREATE TABLE command in standard query language, the referential integrity constraints is specified only after the:

  1. attributes are declared
  2. schema is declared
  3. identifier is declared
  4. notifies are declared

MCQ 23: The data type often used in SQL-99 to specify columns with large values is classified as:

  1. CHARACTER LARGE OBJECT
  2. CHARACTER STRING SCHEMA
  3. CHARACTER MAX COLUMN
  4. CHARCATER MIN ROW

MCQ 24: The relations that are declared in SQL through CREATE TABLES statements are classified as:

  1. ternary tables
  2. binary tables
  3. base tables
  4. logic tables

MCQ 25: The formatted numbers are declared in SQL by using statement such as:

  1. DECIMAL (I, j)
  2. DEC ()
  3. NUMERIC ()
  4. all of above

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