Database Queries
Here are some examples of how to query the database using the sql
function.
Basic Query on DB
database-query.sql
CREATE DATABASE school;
Syntax: CREATE DATABASE database_name;
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This creates a DATABASE by name school!
Creating DB with IF NOT EXISTS
database-query.sql
CREATE DATABASE IF NOT EXISTS school;
Syntax: CREATE DATABASE IF NOT EXISTS database_name;
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This creates a DATABASE by name school if it does not exist!
MySQL Workbench Example:
This give us warning not error! If the database already exists, it will not create a new one. Instead, it will return a message saying that the database already exists.
USE DB
Inorder to perform operations on a database, we need to use it.
database-query.sql
USE school;
Syntax: USE database_name;
Show Databases
database-query.sql
SHOW DATABASES;
MySQL Workbench Example:
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This will show all the databases in the server!