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Knowledge Element Details

Term identifier
Relational Algebra
Cartesian index
0
Semiotic index
0
Descriptor
Formal system for manipulating and querying relational databases. It provides a set of operations that take one or more relations (tables) as input and produce a new relation as output.
Etymology
This text would provide the source rationale for the descriptor text and provide guidance for the determination of synonyms.

Skill Level Details

Term identifier
Understanding
Cartesian index
2
Descriptor
Skill level 2. Grasp meaning of instructional materials.
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