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Complete the sentence below.
A is a row in a database table. This is also known as a record.
A select operation retrieves a subset of tuples from a relation.
Jimmy is planning to name the relations depending on their content. What is a relation in a database?
Stephanie knows there are different ways to combine relations together. Where does an intersect operation retrieve the needed tuples from when combining relations?
Complete the sentence below.
The is all the possible allowable values for an attribute.
Complete the sentence below.
The cardinality is how an attribute is in terms of its data values.
A union operation combines the attributes from two relations.
What type of database is designed to store data locally?
Desktop databases require an in depth understanding of SQL to use them.
What relational algebra operation does this σ represent?