SQL Sonnet

Column, row, table in a database
Field, record, table it’s also known as
Normalization reduces space waste
Indexing reduces the searching stress
Primary keys and foreign keys help link
Some tables together logically
Before change the DBMS must think
Of constraints because orphans are messy
If you screw up you can try to roll back
Provided you’ve committed old changes
Otherwise you will notice that you lack
The important data of old ages
If this techie talk sounds fictitious, well
It’s as real as letters S, Q and L

P.S. My exams are next week. The answers I seek.

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