DB2 Questions and Answers DB2 Questions and Answers has been designed with a special intention of helping students and professionals preparing for various Certification Exams and Job Interviews. This section provides a useful collection of sample Interview Questions and Multiple Choice Questions (MCQs) and their answers with appropriate explanations. SN Question/Answers Type 1 This section […]
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DB2 – Constraints This chapter describes various constraints in the database. Introduction To enforce database integrity, a set of rules is defined, called constraints. The constraints either permit or prohibit the values in the columns. In a Real time database activities, the data should be added with certain restrictions. For example, in a sales database, […]
DB2 – Tables Tables are logical structure maintained by Database manager. In a table each vertical block called as column (Tuple) and each horizontal block called as row (Entity). The collection of data stored in the form of columns and rows is known as a table. In tables, each column has different data type. Tables […]