In PostgreSQL the operator ~~ is equivalent to LIKE
In certain programming languages, ~ transforms a value into an integer and takes its complement, and so ~~ (sometimes called 'two tildes' to indicate a form of double negation) is a way to transform a value into an integer.
U+0360◌◌͠COMBINING DOUBLE TILDE , a tilde diacritic that spans a pair of adjacent characters: ◌͠◌
This disambiguation page lists articles associated with the title Double tilde. If an internal link led you here, you may wish to change the link to point directly to the intended article.