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How to List Triggers in PostgreSQL Database

In PostgreSQL, different methods are used to list all the triggers associated with a database, such as "pg_trigger catalog", "psql" command, and SQL queries.

How to Drop a Trigger in PostgreSQL

In PostgreSQL, a trigger can be dropped from the table by specifying the name of the trigger and the name of the table to which it is associated.

How to Disable a Trigger in PostgreSQL

In PostgreSQL, the "ALTER TABLE" with the "DISABLE TRIGGER" clause is used to disable a trigger. We need to specify the name of the trigger associated with a particular table in case of disabling one trigger.

What Do make_timestamp() and make_timestamptz() Functions do in PostgreSQL?

In PostgreSQL, we use the make_timestamp() and make_timestamptz() functions to show the timestamps. Both functions give errors when the input parameters have some issue maybe due to the wrong data type, etc.

How to Create a Trigger in PostgreSQL

Triggers are useful in many ways such as keeping an audit for changes and transactions, applying the business rules, and validating the user input data.

How to Alter a Trigger in PostgreSQL

A trigger can be altered in PostgreSQL by using the ALTER TRIGGER command. We can rename the trigger and then verify if the change in name has occurred or not.

How to Use date_bin() Function in PostgreSQL

The date_bin() function is used to truncate a specified timestamp into another timestamp using an interval based on the original timestamps.

How the Exp() Function Works in PostgreSQL

The Exp() function in Postgresql takes a numeric value as an input and returns a value having a Numeric data type or specifically DOUBLE PRECISION.

How to Use cbrt() Function PostgreSQL

The cbrt() function in PostgreSQL takes a numeric value as an input and returns a value having DOUBLE PRECISION data type.

Exception Handling in PostgreSQL

Exceptions are unexpected issues that we encounter while executing a program code. These disturb and sometimes abort the normal functioning of the program.