SQL databases have constraints on data types and consistency. NoSQL does away with them for the sake of speed, flexibility, and scale. One of the most fundamental choices to make when developing ...

A contrived example: Say we have two types of tools: hammers and wrenches. We have a list of work orders, and we want to track what tool was used for the ...

Example 2: Creating Integrity Constraints with the SQL Procedure. The following sample program creates integrity constraints using the SQL procedure. The data file PEOPLE lists employees and contains ...