A constraint must be added to restrict the values that can be stored for the column to the specified range, 1 through 10. Without a constraint, negative numbers, zero, and values greater than ten ...

Check Constraints are Supported in all Major DBMSs. Check constraints are supported in all of the major DBMS products, including DB2, Oracle, and SQL Server. But they are too-often ignored and not ...

Students must have completed COMP_SCI 214 & (COMP_SCI 213 or COMP_ENG 205), or be CS Grad students (MS or PhD) in order to register for this course. Data models and database design. Modeling the real ...

In the same way, we should design our database using a graphical tool to produce the “blueprint” – a data model – before a single line of application code is written.

Now that we already know the design and usage constraints of an enum, let’s learn how we can build a type – safe representation of the same. Refer to the LogTarget class given below. public ...