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Java Database Connectivity (JDBC) Quiz Questions and Answers 354 PDF Download

Java database connectivity (jdbc) quiz questions and answers, java database connectivity (jdbc) online learning, dbms test prep 354 for distance education eCourses. Undergraduate degree and master's degree eCourses MCQs on advanced sql quiz, java database connectivity (jdbc) multiple choice questions to practice dbms quiz with answers. Learn java database connectivity (jdbc) MCQs, career aptitude test on nested subqueries, relational algebra, set operations, advanced aggregation features, java database connectivity (jdbc) test for online SQL server management studio courses distance learning.

Practice java database connectivity (jdbc) career test with multiple choice question (MCQs): in accessing a database from a java program is to, opening a connection is said to be the, for e-learning degree certificate with options zeroth step, first step, second step, last step for online IT degree. Learn advanced sql questions and answers with problem-solving skills assessment test.

Quiz on Java Database Connectivity (JDBC) Worksheet 354Quiz PDF Download

Java Database Connectivity (JDBC) Quiz

MCQ: In accessing a database from a Java program is to, opening a connection is said to be the

  1. Zeroth step
  2. First step
  3. Second step
  4. Last step

B

Advanced Aggregation Features Quiz

MCQ: In a set presence of null values can complex definition of

  1. rank
  2. aggregates
  3. row_number
  4. set difference

A

Set Operations Quiz

MCQ: SQL treats result of any comparison involving a null value, as a

  1. Null value
  2. 0
  3. Unknown
  4. True/False

C

Relational Algebra Quiz

MCQ: We can avoid loss of information by performing

  1. Natural join
  2. Outer join
  3. Full join
  4. Inner join

B

Nested Subqueries Quiz

MCQ: Type of a scalar subquery result is still a relation, even if it contains a

  1. Single instance
  2. Single tuple
  3. Single attribute
  4. Single aggregate

B