DBMS-Relational Algebra and Calculus Questions and Answers
Relational Algebra and Relational Calculus form the theoretical foundation of DBMS programming questions and answers frequently asked in technical interviews and campus placement exams such as TCS, Infosys, and Accenture. These topics explain how queries are represented and optimized in databases. By understanding operations like selection, projection, join, and division, you can effectively translate queries into SQL. Practicing DBMS MCQs and programming interview questions with answers improves your understanding of database logic, query design, and relational schema concepts essential for technical placements.
DBMS-Relational Algebra and Calculus
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81 questions
63. The SQL data definition language provides commands for defining relation schemas, deleting relations and modifying relation schemas
- TRUE
- FALSE
64. In SQL, it is not possible to create local or global temporary tables within a transaction.
- TRUE
- FALSE
65. All tasks related to relational data management cannot be done using SQL alone.
- TRUE
- FALSE
66. All tasks related to relational data management cannot be done using SQL alone.
- TRUE
- FALSE
67. DML consists of commands that control the user access to the database objects
- TRUE
- FALSE
68. If nothing is specified, the result set is stored in descending order, which is the default.
- TRUE
- FALSE