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You have completed Querying Relational Databases!
You have completed Querying Relational Databases!
Preview
At this point, we have laid the theoretical groundwork for this course. We will have a brief review before the next stage.
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We learnt that relational
databases are how we organize data
0:00
in a structured manner.
0:04
Structuring data in a well thought
out manner reduces disk space,
0:05
eliminates redundant data, removes
the possibility of updates anomalies, and
0:10
boosts query performance.
0:15
We learnt about normalization.
0:17
This is the process of identifying and
eliminating things in our database design,
0:19
that would make our database perform poorly or have inconsistent data.
0:24
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