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1. Which of the following is a type of trigger that canbe invoked before DBMS insert, update, or delete actions?A)BEFORE triggersB)PREVIOUS triggersC)AFTER triggersD)UPDATE triggers2. Which of the following is a type of trigger than can beinvoked in place of DBMS insert, update, or delete actions?A)BEFORE triggersB)INSTEAD OF triggersC)UPDATE triggersD)SUBSTITUTE triggers

Sagot :

BEFORE triggers is a type of trigger that can be invoked before DBMS insert, update, or delete actions. Thus the correct option is option A.

What is DBMS?

System software for creating and managing databases is known as a database management system (DBMS). End users can create, protect, read, update, and delete data in a database with the aid of a database management system (DBMS).

The most common kind of data management platform, DBMS essentially acts as an interface between databases and users or application programs, making sure that data is consistently organized and continues to be accessible.

The database engine allows data to be accessed, locked, and modified. The database schema establishes the logical structure of the database. The database management system (DBMS) manages the data.

Concurrency, security, data integrity, and consistent data administration practices are all supported by these three fundamental components. Change management, performance monitoring and tuning, security, backup and recovery, and other common database administration tasks are all supported by the DBMS.

Learn more about database management system

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