Assignment Session : July-March

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Faculty Name Class/Section Subject Name Assignment Session : July-March 2018-19 MR.RAMESHWAR BASEDIA B.Com II Year RDBMS Assignment THEORY ASSIGNMENT II (A) Objective Question 1.

1 Faculty Name Class/Section Subject Name Assignment Session : July-March MR.RAMESHWAR BASEDIA B.Com II Year RDBMS Assignment THEORY ASSIGNMENT II (A) Objective Question 1. Software that defines a database, stores the data, and produces reports an: A) data dictionary B) database management system (DBMS) C) decision support system D) relational database 2.. The separation of the data definition from the program is known as: A) data dictionary B) data independence C) data integrity D) referential integrity 3. In the client / server model, the database: A) is downloaded to the client upon request B) is shared by both the client and server C) resides on the client side D) resides on the server side 4. DBMS is a collection of.. that enables user to create and maintain a database. A)Keys B)Translators C)Program D) Language Activity 5.In a relational schema, each tuple is divided into fields called A)Relations B)Domains C)Queries D) All of the above

2 6. In an ER model,. is described in the database by storing its data. A) Entity B) Attribute C) Relationship D) Notation 7. A top-to-bottom relationship among the items in a database is established by a A) Hierarchical schema B) Network schema C) Relational Schema D) All of the above 8. is a full form of SQL. A) Standard query language B) Sequential query language C) Structured query language D) Server side query language 9. The collection of information stored in a database at a particular moment is called as A. schema B. instance of the database C. data domain D. independence 10. A is used to define overall design of the database A. schema B. application program C. data definition language D. code 11. Key to represent relationship between tables is called A. primary key B. secondary key

3 C. foreign key D. none of the above 12. Grant and revoke are. statements. A. DDL B. TCL C. DCL D. DML13.. command can be used to modify a column in a table A. alter B. update C. set D. create 14. Data independence means A. data is defined separately and not included in programs. B. programs are not dependent on the physical attributes of data C. programs are not dependent on the logical attributes of data D. both B and C 15. The candidate key is that you choose to identify each row uniquely is called.. A) Alternate Key B) Primary Key C) Foreign Key D) None of the above 16. is the process of organizing data into related tables. A) Normalization B) Generalization C) Specialization D) None of the above

4 17. The database schema is written in A. HLL B. DML C. DDL D. DCL 18. Which database level is closest to the users? A. External B. Internal C. Physical D. Conceptual 19. The RDBMS terminology for a row is A. tuple B. relation C. attribute D. degree 20) The full form of DDL in Database Management System is A. Dynamic Data Language B. Detailed Data Language C. Data Definition Language D. Data Derivation Language

5 (A) Short Question 1. What is DBMS? Explain in detail. 2. Define database model. In brief. 3. What is Data base Administrator? Explain function of DBA. 4. Explain client server architecture of DBMS. 5. Explain three level architecture of DBMS. 6. What is logical and physical data Independence? Explain. 7 What is normalization? Define various type of normalization. 8 What is functional dependency? Explain with example. 9 What is relational Algebra? Explain with example. 10 Explain natural join with the help of example. 11 Explain primary key constraint. What are its main features. 12 Define Unique key constraints. 13 Discuss briefly recovery feature of database. 14 Define database security system. 15 What is the advantage of RAID? Explain. 16 What is SQL? Explain component of SQL.

6 (C )Long Question 1. State role of DBMS in the organization. 2. Explain DBMS over traditional file processing system. 3. What is E-R model? Explain symbols of E-R model. 4. Write short note on Specialization, Generalization and Aggregation. 5. Explain DDLC in detail. 6. Explain the concept of BCNF. 7. What is anomaly? Explain different type of anomalies with example. 8. Write steps involved in normalizing relations. 9. Explain various data types used in SQL. 10. What is entity and attributes? Explain with Example. 11. Explain five aggregate function of SQL. 12. Explain Inner join and Outer join with example. 13. Construct E-R diagram for library management system. 14. Explain group by and order by clause with example Explain with diagram of storage hierarchy 16. What is access control? Explain.

Solved MCQ on fundamental of DBMS. Set-1

Solved MCQ on fundamental of DBMS Set-1 1) Which of the following is not a characteristic of a relational database model? A. Table B. Tree like structure C. Complex logical relationship D. Records 2) Field