Decision-ready insights on product engineering and data systems.

BETWEEN operator

BETWEEN operator is used to retrieve rows that exists within/between a specified range. It is used in 'WHERE' clause to filter and retrieve specific data.

NOT EXISTS operator

NOT EXISTS operator is used to check whether rows exists in a subquery or not. It retrieves only those rows that doesn't exist in a subquery. When a query is placed…

EXISTS operator

EXISTS operator is used to check whether rows exists in a subquery or not. It retrieves only those rows that exists in a subquery. When a query is placed inside the…

IS NOT NULL operator

IS NOT NULL operator is used to check if a column contains non-null or non-empty rows. It is exact opposite of 'IS NULL' operator and used in 'WHERE' clause to filt…

IS NULL operator

IS NULL operator is used to check if a column contains null or empty rows. It is used in 'WHERE' clause to filter rows based on null values.

NOT IN operator

NOT IN operator is used to examine if a specific column doesn't match any of the values you specify in 'NOT IN' operator. It is similar to 'not equals to' ( != ) op…

IN operator

NOT LIKE operator

NOT LIKE operator act as a search engine that searches for the specified pattern or substring in a column and returns rows where a specified pattern does not match.…

LIKE operator

LIKE operator act as a search engine that searches for the specified pattern or substring in a column. It is used in 'WHERE' clause to filter and retrieve specific …

EXCEPT operator

EXCEPT operator is used to retrieve the distinct rows from the left table ( left SELECT statement ) that don't exists in the right table ( right SELECT statement ).