Top 50 Triggers Interview Questions and Answers

A trigger point is a sensitive area in the muscles or tissues that can cause pain or discomfort when stimulated.

• Trigger points are often found in areas of muscle tension or overuse.

• They can be felt as knots or tight bands in the muscle.

• Trigger points...read more

Triggers are used to automatically execute a set of instructions when a specific event occurs in a database.

• Triggers are database objects that are associated with tables and are used to enforce business rules or to perform actions when data is modifi...read more

Stored procedures and triggers are used to improve database performance and maintain data integrity.

• Stored procedures allow for precompiled SQL statements, reducing processing time.

• Triggers can automatically enforce business rules and maintain data c...read more

MySQL triggers are database objects that are automatically executed in response to certain events on a particular table.

• Triggers can be set to execute before or after INSERT, UPDATE, or DELETE operations on a table.

• They can be used to enforce busines...read more

Types of triggers in Salesforce include before triggers, after triggers, and future triggers.

• Before triggers are used to update or validate record values before they are saved to the database.

• After triggers are used to access field values that are se...read more

Compound triggers allow multiple timing points for a single trigger, enhancing flexibility and reducing mutating table errors.

• Introduced in Oracle 11g to simplify trigger management.

• Can have multiple timing points (BEFORE, AFTER) for the same event.

• A...read more

PL/SQL triggers automate actions in the database, enhancing data integrity and enforcing business rules.

• Used to enforce data integrity by preventing invalid data entry. Example: A trigger that checks if a patient's age is above a certain limit before...read more

Functions are blocks of code that perform a specific task, while triggers are events that automatically execute a function.

• Functions are reusable blocks of code that can be called multiple times in a program.

• Triggers are events that automatically exe...read more

Scheduled trigger is time-based while tumbling window trigger is data-based.

• Scheduled trigger is based on a specific time or interval, such as every hour or every day.

• Tumbling window trigger is based on the arrival of new data or a specific event.

• Sch...read more

Triggers are actions that are automatically performed when a certain event occurs in a database. Async operations are tasks that run independently of the main program flow.

• Triggers in databases are used to maintain data integrity and automate tasks b...read more

TAC stands for Talend Administration Center. Triggers in TAC are used to schedule and automate the execution of jobs.

• TAC is a web-based application used to manage, monitor, and administer Talend jobs and projects.

• Triggers in TAC allow users to schedu...read more

Trigger context variables are predefined variables that contain information about the context in which a trigger is executed.

• Trigger context variables are available in Apex triggers.

• They provide information about the record being processed, the user ...read more

Oracle Forms triggers are executed in a specific sequence.

• The first trigger to fire is PRE-FORM.

• The last trigger to fire is POST-FORM.

• Other triggers include WHEN-NEW-FORM-INSTANCE, WHEN-NEW-BLOCK-INSTANCE, etc.

• Triggers can be used to validate data, p...read more

Triggers can lead to performance issues, complexity, and potential for unintended consequences.

• Triggers can make code harder to debug and maintain

• They can lead to cascading effects if not carefully implemented

• Performance can be impacted if triggers a...read more

Triggers in WPF are used to apply changes to UI elements based on certain conditions or events.

• Triggers can be used to change the appearance of a control based on user interaction or data changes.

• There are different types of triggers in WPF such as E...read more

Triggers in SLA other than Incident

• Change Requests

• Problem Tickets

• Service Requests

• Major Incidents

Triggers in Oracle PL/SQL are database objects that automatically execute in response to specified events.

• There are two types of triggers in Oracle PL/SQL: row-level triggers and statement-level triggers.

• Row-level triggers fire once for each row affe...read more

SQL Triggers are special stored procedures that are automatically executed in response to certain events.

• Triggers are used to enforce business rules or to perform complex calculations.

• Syntax: CREATE TRIGGER trigger_name {BEFORE | AFTER} {INSERT | UPD...read more

Triggers are database objects that are automatically executed in response to specified events.

• Triggers are used to enforce business rules, maintain data integrity, and automate tasks.

• They can be defined to execute before or after an INSERT, UPDATE, o...read more

A trigger in MySQL is a set of SQL statements that automatically execute in response to certain events.

• Triggers can be used to enforce business rules or perform complex calculations.

• They can be set to execute before or after an INSERT, UPDATE, or DEL...read more

Constraints are used to restrict user input while Declare triggers are used to automate actions based on certain events.

• Constraints are used to validate user input and ensure it meets certain criteria.

• Declare triggers are used to automate actions bas...read more

Triggers in Salesforce are used to perform automated actions before or after records are inserted, updated, or deleted.

• Triggers are Apex scripts that are executed before or after specific data manipulation language (DML) events occur in Salesforce.

• Th...read more

Yes, triggers can be used with select statements in SQL.

• Triggers are database objects that are automatically executed in response to certain events, such as insert, update, or delete operations.

• While triggers are commonly used with insert, update, an...read more

Triggers and stored procedures are database objects used to automate tasks and enforce business rules.

• Triggers are code that automatically executes in response to certain events, such as inserting or updating data in a table.

• Stored procedures are pre...read more

Triggers in MySQL are database objects that are automatically executed in response to specified events.

• Triggers are used to enforce business rules, maintain data integrity, and automate tasks.

• They can be defined to execute before or after an INSERT, ...read more

A trigger is a set of actions that are automatically performed when a specified event occurs, while a constraint is a rule that restricts the values in a database.

• Triggers are used to perform actions such as updating other tables or logging changes w...read more

Use a trigger to insert contacts to newly created contacts

• Create a trigger on the Contact object

• Use the 'after insert' trigger event

• Loop through the newly created contacts

• Create a new contact for each one and set the necessary fields

• Insert the new co...read more

Triggers in SQL Server are special types of stored procedures that are automatically executed when certain events occur in a database.

• Types of triggers include DML triggers (for INSERT, UPDATE, DELETE operations), DDL triggers (for CREATE, ALTER, DRO...read more