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

Java database connectivity (jdbc) quiz questions, java database connectivity (jdbc) MCQs answers, database management quiz 354 to learn data analytics online courses. Advanced sql quiz questions, java database connectivity (jdbc) multiple choice questions (MCQs) to practice dbms test with answers for online colleges and universities courses. Learn java database connectivity (jdbc) MCQs, relational algebra, set operations, advanced aggregation features, java database connectivity (jdbc) test prep for big data certification.

Learn java database connectivity (jdbc) test with multiple choice question (MCQs): in accessing a database from a java program is to, opening a connection is said to be the, with choices zeroth step, first step, second step, and last step for online colleges for information technology degree. Learn advanced sql questions and answers for problem-solving, merit scholarships assessment test for data science certification.

Quiz on Java Database Connectivity (JDBC) Worksheet 354Quiz Book 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


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


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


Relational Algebra Quiz

MCQ: We can avoid loss of information by performing

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


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