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4 Cards in this Set
- Front
- Back
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What is duplication elimination symbol? |
Delta |
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Whatelse can I do with pi (projection)? |
Create new column using computation Change name |
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Whatare different joins? |
Natural join Theta join Left outer join Cartesian products |
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How to do concatenation |
c||d (c and d must be columns with TEXT data type) |
