I need a shell script developper

Write a shell script that allows you to manage a database in a json file. You must create table, insert-update-remove data, run query, ... Database File: The database file can be specified in 3 ways, in order of priority: as argument in command line : -f file in environment : BDSH_File= in a configuration file : .bdshrc Program must display error when : Syntax error in command line (bad arguments, ...) Database already exist when create database Can't create database (disc full, ...) Table already exist when create table Table not found when select, insert, ... Fields not found when select, insert, ... Select on empty database