Database normalization: from 1NF to 3NF
Reduce data duplication by understanding the three most commonly used normal forms.

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Build a focused web pentest plan with clear authorization, realistic objectives, controlled testing, and evidence that developers can use.
Reduce data duplication by understanding the three most commonly used normal forms.
Learn the difference between Read Committed and Repeatable Read and their impact on concurrently read data.
Find out why database connections should be reused, not opened and closed each request.
Recognize the basic structure of PL/SQL through a simple procedure to update the stock of goods.
Learn how to create and use SEQUENCES for ever-increasing ids in Oracle.
Use analytics functions to rank data without complex subqueries.
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