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Database Systems MCQs – Practice Test 56 (Chapter 15)

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Free Introduction to SQL Notes App Download: SQL statements can be embedded with in general-purpose programming languages, like; MCQ with answers: c++, c, and java. Practice Database Authorization Quiz Questions, download Kobo e-Book (Free Chapter) for database career preparation.

Introduction to SQL MCQs – Practice Test 56 PDF Download

MCQ 276: The query for finding the Distinct department names of all instructors, would be:

  1. select distinct dept_name from instructor;
  2. select dept_name distinct from instructor;
  3. define dept_name distinct from instructor;
  4. define distinct dept_name from instructor;

MCQ 277: SQL statements can be embedded with in general-purpose programming languages, like:

  1. C
  2. C++
  3. JAVA
  4. All of the Above

MCQ 278: SQL allows duplicates in relations as well as in the results of:

  1. SQL data
  2. SQL query
  3. SQL flag
  4. SQL expressions

MCQ 279: The set of relations in a database must be specified to the system by means of a:

  1. Data Declaration language
  2. Data Definition language
  3. Data processing language
  4. Data manipulation language

MCQ 280: We can test for the existence of duplicate tuples in a subquery by using the:

  1. Like
  2. Not Like
  3. Unique
  4. Not Unique

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