Author: codertutor_3o6d0o

Ruby IF-ELSIF-ELSE The Ruby IF-ELSIF-ELSE statement syntax and example. Ruby IF-ELSIF-ELSE syntax if condition_v1 -- Ruby code v1 elsif condition_v2 -- Ruby code v2 else -- Ruby code v3 end Ruby IF-ELSIF-ELSE example a = 1 b = 2 if a...

PostgreSQL, often referred to as Postgres, is an advanced open-source object-relational database management system (ORDBMS). PostgreSQL is known for its stability, reliability, and feature-richness, making it a preferred choice for many developers and organizations. PostgreSQL is written in the C programming...

PostgreSQL Create Trigger The PostgreSQL CREATE TRIGGER is used to create a trigger in a PostgreSQL database. Create Trigger syntax CREATE TRIGGER name { BEFORE | AFTER | INSTEAD OF } ON table_name [FOR [EACH] {ROW | STATEMENT}] EXECUTE PROCEDURE function_name(arguments);...

In PostgreSQL, the CREATE FUNCTION statement is used to create user-defined functions. Functions in PostgreSQL allow you to encapsulate a set of SQL statements and logic into a single reusable unit, which can be called from other SQL queries or used...

PostgreSQL View The PostgreSQL commands: – CREATE VIEW is used to create a view. – ALTER VIEW is used to change view name. – DROP VIEW is used to delete a view. View syntax -- create view CREATE [OR REPLACE] VIEW...