WebJul 5, 2024 · d) All of the above. 10. Command to increase the salary of all employees by 15000. (table name emp and column name sal) a) update emp set sal = sal + 15000; . b) update emp set sal = 15000; c) update set sal = sal + 15000; d) None of the above. 11. A software package that can be used for creating and managing databases. WebFrom Oracle Database Concepts: data integrity -------------- Business rules that dictate the standards for acceptable data. These rules are applied to a database by using integrity …
Important QnA Database Concepts Class 10
WebNov 20, 2024 · What is the data consistency in DBMS? Consistency (or Correctness) in database systems refers to the requirement that any given database transaction must change affected data only in allowed ways. Any data written to the database must be valid according to all defined rules, including constraints, cascades, triggers, and any … WebJul 5, 2024 · Database Management System MCQ Class 10 1. Which of the following is not a database programs? a) MySQL. b) Oracle. c) Writer d) OObase . 2. Duplication of … how long can a 16 year old work in a day
Database Management system questions & answers for quizzes …
WebApr 3, 2024 · A Database Management System is software or technology used to manage data from a database. DBMS provides many operations e.g. creating a database, storing in the database, updating an existing database, delete from the database. DBMS is a system that enables you to store, modify and retrieve data in an organized way. It also provides … WebIn DBMS, the integrity of the data should be maintained, which means if a change in the database is made, it should remain preserved always. In the case of transactions, the integrity of the data is very essential so that the database remains consistent before and after the transaction. The data should always be correct. Example: WebApr 26, 2024 · DBMS. Structure. The file system is software that manages and organizes the files in a storage medium within a computer. DBMS is software for managing the database. Data Redundancy. Redundant … how long can a 2x10 floor joist span