Designing the tables, not just querying them.
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CREATE TABLE, keys and constraints, and the basics of normalization.
3 modules · 3 lessonsLocked
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OpenSigma
This is to certify that
Your Name
has successfully completed
Database Design Basics (DDL)
Director of Training
Date issued
04 Aug 2026
Certificate ID
XXXX-XXXX-XXXX
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