LIKE Operator
The LIKE operator is a pattern-matching operator used in SQL (Structured Query Language) to search for a specified pattern in a column. It is commonly employed with wildcard characters, such as the percent sign (%) to represent zero, one, or multiple characters, and the underscore (_) to represent a single character, enabling flexible and partial string matching in database queries.
Developers should learn the LIKE operator when working with SQL databases to perform text-based searches, such as filtering records by names, emails, or other string fields that may contain variations or partial matches. It is essential for tasks like data validation, reporting, and user search functionalities in applications, especially when exact matches are not required, making it a fundamental tool for querying and manipulating textual data efficiently.