A) CREATE TABLE Persons #This functon will create an empty table PERSONS with 5 columns and their variable type ( # P_Id is int type and will hold a number; rest of the vars will hold varchar with ...

A database is a structured collection of data. It may be anything from a simple shopping list to a picture gallery or the vast amounts of information in a corporate network The SQL part of “MySQL” ...

Then, within the Tools table, I enforce the constraint that all tool names must start with either an H or a W. Then I just create a constraint that forces WrenchingTools to start with "W".