SQL INTRODUCTION: A database is a systematic collection of data. Database systems are used to store, access, delete data. furthermore, it also systematically organize data in a database.This article briefly discuss about the SQL CREATE DATABASE(db) . Consider a cafeteria, which provides snacks and other eatable item to its customers. Traditionally, the snacks, juice, and other items …
Data Definition Language: A database is a systematic collection of data. Database systems are used to store, access, delete data. furthermore, it also systematically organize data in a database.This article briefly discuss about the use and importance of SQL DROP Table . Data Definition Language is divided into-‘CREATE’,’ALTER’,’DROP’,’TRUNCATE’,’RENAME’. Technology like Database and SQL has grown exponentially in …
Data Definition Language: A database is a systematic collection of data. Database systems are used to store, access, delete data. furthermore, it also systematically organize data in a database.This article briefly discuss about the use and importance of SQL ALTER Table . Data Definition Language is divided into-‘CREATE’,’ALTER’,’DROP’,’TRUNCATE’,’RENAME’. Technology like Database and SQL has grown exponentially in …
MySQL has many built in functions . Now many of us might be thinking that what are MySQL functions?, What are Built in functions?, How they work , and so on . This Article will guide you through Different MySQL built in functions , and will discuss about the use of them. What is Built …
SQL FOREIGN KEY Constraint: SQL FOREIGN KEY is a key used to link two tables in a database. A foreign key one table refers to a primary key in other table Note 1: A table can only have one primary keys, which may contain one or multiple fields. Note 2: A table containing the foreign key …