You can simply do this:
Say you have two tables - employee and phone
INNER JOIN
select employee.first_name, employee.last_name, phone.home_number from employee, phone where phone.employee_id = employee.employee_id;
OR
select employee.first_name, employee.last_name, phone.home_number from employee join phone on phone.employee_id = employee.employee_id;
LEFT JOIN
select employee.first_name, employee.last_name, phone.mobile_number from employee left join phone on phone.employee_id = employee.employee_id;
RIGHT JOIN
select phone.fax_number, employee.first_name, employee.last_name from phone right join employee on phone.employee_id = employee.employee_id;
Schema is structure you created for your tables in My SQL
the line joining two tables
When you want to extract data from two or more tables, you can use a SQL JOIN query. By using JOIN clauses, you can combine rows from different tables based on a related column between them. This allows you to retrieve data from multiple tables in a single query.
join line
Equijoin - Joins two or more tables where the specified columns are equal. Returns only those records found in both tables. Outer join - Joins two or more tables on the specified columns, returning all the values from table 1 regardless of whether they are in table 2. Natural Join - Joins two tables on all like column names.
A Join SQL clause is a combination of two or more tables from a database. Fields are joined by using data that is present in both tables and are written as an identification for the join.
join
You would use a JOIN query for this.
Join Line
Join Line
Join Line
In MySQL, the maximum number of rows and columns a table can have depends on the storage engine, but generally, a MySQL table can have up to 65,535 columns. The maximum number of rows is limited by the storage capacity of the database and the size of the rows. You can create a vast number of tables in a MySQL database, with the practical limit being around 4.3 billion tables per database, though performance may degrade with very high numbers.