You can use multiple tables in your single SQL query. The act of joining in MySQL refers to smashing […]
The SQL LEFT JOIN (specified with the keywords LEFT JOIN and ON) joins two table or more tables and […]
The UNION query is used to combine the result-set of two or more SELECT statements. Unions combine the results […]
The SUM() function returns the total sum of a numeric column. To understand SUM function, consider an products table, […]
The AVG() function returns the average value of a numeric column. To understand AVG function, consider an products table, […]
The COUNT() function returns the number of records in a select query. To understand COUNT function, consider an products […]
There may be a requirement where the existing data in a MySQL table needs to be modified. You can […]
You can use multiple tables in your single SQL query. The act of joining in MySQL refers to smashing […]
Here you can find how to use update query with join, difficult update query in join We often use […]
If you want to delete a record from any MySQL table, then you can use the SQL command DELETE […]