SQL (Structured Query Language) uses various operators to perform operations and comparisons on data within a database. Here are some commonly used SQL operators:
- Arithmetic Operators:
- Addition (+)
- Subtraction (-)
- Multiplication (*)
- Division (/)
- Modulo (%)
- Comparison Operators:
- Equal to (=)
- Not equal to (<> or !=)
- Greater than (>)
- Less than (<)
- Greater than or equal to (>=)
- Less than or equal to (<=)
- Logical Operators:
- AND
- OR
- NOT
- String Operators:
- Concatenation (|| or CONCAT)
- Pattern matching (LIKE)
- Pattern matching (REGEXP or RLIKE)
- NULL-related Operators:
- IS NULL
- IS NOT NULL
- Set Operators:
- UNION
- UNION ALL
- INTERSECT
- EXCEPT or MINUS
These operators can be used in SQL statements such as SELECT, INSERT, UPDATE, and DELETE to perform various operations and comparisons on data in relational databases.