LIKE condition in PostgreSQL

PostgreSQL LIKE
To filter the results, the PostgreSQL LIKE condition is used with a combination of WHERE Clause in SELECT, INSERT, UPDATE and DELETE statements to perform pattern matching.

Syntax:

WHERE expressions LIKE pattern [ ESCAPE 'escape_character' ]  

Parameters:
expressions: It is used to specify a column or a field.
pattern: It is used to specify the character expression for pattern matching.
escape_character: It is an optional parameter which is used to test for literal instances of a wildcard character such as

Example: Using wildcard: Percent Students table:

SELECT “AGE”  
FROM “STUDENTS”  
WHERE “NAME” LIKE 'Dav%';

AGE
6
8

SELECT “AGE”  
FROM “STUDENTS”  
WHERE “NAME” LIKE 'Dav_son';

AGE
6