Use SQL select queries to read, search, write, update and delete records.
5
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|
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19 |
|
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19.0
|
Write SQL queries involving joins.
5
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|
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10 |
|
|
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9.5
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Describe real-world objects using Entity Relationship Diagrams.
1
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19 |
|
|
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19.0
|
Use GROUP BY and aggregate functions to calculate statistics.
5
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10 |
|
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9.5
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Use subqueries.
5
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10 |
|
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9.5
|
Create normalized database tables based on an Entity Relationship Diagram.
5
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10 |
|
|
|
9.5
|
Use indexes to enhance query performance.
5
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|
|
10 |
|
|
|
9.5
|
Use foreign keys to guarantee data consistency.
5
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|
|
10 |
|
|
|
9.5
|
Use views to simplify complicated database queries.
5
|
|
|
5 |
|
|
|
4.8
|