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What means or by whom is a trigger executed?
A trigger is executed by a database management system (DBMS) in response to specific events on a table or view, such as INSERT, UPDATE, or DELETE operations. It is defined using a set of SQL statements that automatically run when the specified event occurs. Triggers are often used to enforce business rules, maintain data integrity, or automate system tasks without requiring explicit calls from applications.
What is meant by trigger in database?
Database trigger is a procedural code that occurs in response to an event of a table of a database. for ex if any row is added in employee table, new records should also be added in salaries table.
What is Database triggers in sql?
A database trigger is an action that the database management software will perform automatically when a preset list of conditions are met. Different database vendors have different mechanisms in place for the declaration of triggers, but the principles remain the same.
Do triangle buttons work the same way as circle buttons?
Triangle buttons and circle buttons can serve similar functions in user interfaces, but their effectiveness often depends on design context and user familiarity. While both shapes can trigger actions, triangle buttons may suggest directional movement or specific functions, whereas circle buttons typically indicate selection or activation. Ultimately, user experience can vary based on visual cues and the conventions established within a particular application or platform.
What is trigger in DBMS?
A trigger is a special kind of stored procedures that automatically executes when an event occurs in the database server. Insert, update and delete are called as events.
What is the basic terminology of dbms?
Acid cursor data database field primary & foreign keys procedure & function odbc & oledb normalization trigger
What are highlights of DBMS?
NA_ what are highlights of advanced DBMS what are highlights of advanced DBMS what are highlights of advanced DBMS
Is java DBMS?
no, Java is not dbms.. Java is a programming language Dbms is database
Is SQL DBMS or RDBMS?
dbms
What are three types of dbms?
Hierarchical DBMSNetwork DBMSRelational DBMS
What are rows in dbms?
In DBMS the data is stored in the form of table . Each row in DBMS is known as tuple.
What are the importance of dbms in industrial environment?
importance of DBMS
What is the purpose of dbms?
What is the purpose of dbms?DBMS is a software that organises the creation, storage and maintenance of Databases for end users.
What is the use of dbms?
DataBase Management System (DBMS)is a software package# it allows data to be effectively stored, retrieved and manipulatedand # the data stored in a DBMS packege can be accessed by multiple users and by multiple application programs like (SQL Server, Oracle, Ms-Access) .Types of DBMS# Hierarachical DBMS (HDBMS)# Network DBMS (NDBMS)# Relational DBMS (RDBMS)# Object Oriented DataBase(OODB)# Distributed DBMS (DDBMS)
When was Polyhedra DBMS created?
Polyhedra DBMS was created in 1993.
What is DBMS?
DBMS is short for database management system . DBMS is the collection of related records.
