DATABASE MANAGEMENT SYSTEM (Class-X IT)
DATABASE MANAGEMENT SYSTEM Multiple-Choice Questions (MCQs) 1. In which of the following types of databases, a single table or file stores all the data? a. Flat-file database b. Relational database c. Distributed database d. All of these Ans. a 2. DML stands for a. Data Manipulation Language b. Data Manipulative Language c. Database Manipulation Language d. Data Management Language Ans. b 3. Which of the following refers to uniquely identifying a record in a table? a. Field b. Primary key c. Record d. Foreign key Ans. b 4. Which of the following is not a data type available in OpenOffice Base? a. Text b. Memo c. Number d. String Ans. d 5. Which of the following is a link between two or more tables? a. Form b. Relationship c. Query d. Report Ans. b Very Short Answer Questions 1. What is summarizing? Ans. Summarizing refers to the procedure of retrieving the summary of the data based on some defined criteria. 2. What is a flat-file da