What is trigger, Database Management System

Assignment Help:

What is trigger? 

Triggers are statements that are executed automatically by the system as the side effect of a modification to the database. 

 


Related Discussions:- What is trigger

Write short notes on relational constraints, Write short notes on relationa...

Write short notes on relational constraints? Relational Constraints are: 1. NOT NULL 2. Unique 3. Primary key 4. Foreign key 5. Table check

School portal design and development, Project Description: This is going...

Project Description: This is going to be a School portal to handle each activities in school such as, School fees payment, online registration and every other payment, course re

A database administrator'', A database administrator''s responsibilities an...

A database administrator''s responsibilities and data contents

In which relational modes cardinality is termed, In which relational modes,...

In which relational modes, cardinality is termed? Answer : Cardinality is termed in a number of tuples relational modes.

Skills required, wrie a report on whether a BSc n information systems devel...

wrie a report on whether a BSc n information systems develops the skills required by employers in Database administration

Normalization, Consider a bank that has a collection of sites, each running...

Consider a bank that has a collection of sites, each running a database system. Suppose the only way the databases interact is by electronic transfer of money between one another,

Data aggregation, Q.   Explain  data aggregatio n and discuss differen...

Q.   Explain  data aggregatio n and discuss different design constraints. Sol. Aggregation   One limitation of the E-R model is that it cannot express relationships amon

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd