The worst casing

Postgres

1. datistemplate → dat is template
2. relhaspkey → rel has pkey
3. provolatile → pro volatile

Python

1. startswith → start with
2. endswith → end with
3. isalpha → is alphabetic
4. isdigit → is digit

SQL

1. ISNULL → is null
2. GETDATE → get date
3. CHARINDEX → character index