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

Learn java database connectivity (jdbc) quiz online, database management system test 354 for online learning, distance learning courses. Free java database connectivity (jdbc) MCQs questions and answers to learn database management system quiz with answers. Practice tests for educational assessment on java database connectivity (jdbc) test with answers, nested subqueries, relational algebra, set operations, advanced aggregation features, java database connectivity (jdbc) practice test for online SQL server management studio courses distance learning.

Free online java database connectivity (jdbc) course worksheet has multiple choice quiz question: 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 entry tests prep for bachelor, masters in computer engineering and diploma in engineering, study advanced sql multiple choice questions based quiz question and answers.

Quiz on Java Database Connectivity (JDBC) Worksheet 354 Quiz 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


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