A personal identity codes consist of a string of numbers that indicates the individual’s date of birth, an individualized string, and a control character. Example: 150600A905P • 150600 = Date of birth • A = the character in the middle…
I can't find how to check each element of an array-field in a table. Be like: create table tab ( day_in_mounth int[12] check ( *every array element* > 0 and < 30) ); values < 0 and > 30 must…
I have a text field on my PostgreSQL database that I want to store only capital alphabetic letters not but not special characters in a column. I have already used CHECK (location_id ~* '[A-Z]') I am able to insert both…