Db Questions Pdf Database Transaction Data Management Software This document contains a practice test for data management foundations with 45 multiple choice questions covering topics like data modeling, database design, normalization, and sql. Appraise how advanced databases differ from relational databases and find a suitable database for the given requirement. 1. what is database?(r) a database is a basic electronic storage with collection of interrelated data, organized to provide efficient retrieval. databases are organized by fields, records and files or tables. 2. what is dbms?.
Practice Pdf Data Management Databases Database mcq. most important objective multiple choice questions and answers with pdf for computer related competitive exams and interview. 19) the way a particular application views the data from the database that the application uses is a. 1. explain database, dbms, and metadata. 2. explain different types of databases. 3. what are the advantages of dbms? 4. explain db system environment. 5. list the limitations disadvantages of dbms. 6. what are the problems with file system data management? 7. list and explain the functions and capabilities of dbms. Assume a data page can hold 50 tuples. assume a b tree index page can hold 100 key pointer pairs. let t(emp) = 1; 000; 000 and t(dept) = 500. assume there is at least one employee in every department. the dbms is capable of performing nested loops, index nested loops, and sort merge joins.
Database Questions Pdf Databases Sql 1. explain database, dbms, and metadata. 2. explain different types of databases. 3. what are the advantages of dbms? 4. explain db system environment. 5. list the limitations disadvantages of dbms. 6. what are the problems with file system data management? 7. list and explain the functions and capabilities of dbms. Assume a data page can hold 50 tuples. assume a b tree index page can hold 100 key pointer pairs. let t(emp) = 1; 000; 000 and t(dept) = 500. assume there is at least one employee in every department. the dbms is capable of performing nested loops, index nested loops, and sort merge joins. This pdf contains a set of carefully selected practice questions for the dmf 1220 exam. these questions are designed to reflect the structure, difficulty, and topics covered in the actual exam, helping you reinforce your understanding and identify areas for improvement. what's inside: 1. topic focused questions based on the latest exam. The document contains 27 sql queries that retrieve data from various tables in a sample database. the queries select columns, filter rows, group results, perform calculations, and join tables to answer business questions about customers, orders, products, and employees. Long answer questions s at are the various levels of data abstraction i n a data as ex 4. explain the concept of participation constraints. 5. name the main steps in the database design. what is the goal of each step? in which steps is the er model mainly used? 6. explain about integrity constraints over relations in detail? 7. explain about database users and administrators? 8. explain about logical database design?.
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