HOTSPOT - For each of the following statements, select Yes if the statement is true. Otherwise, select No. Each correct selection is worth one point. Hot Area:
In the context of databases, cardinality refers to the uniqueness of data values contained in a column. High cardinality means that the column contains a large percentage of totally unique values. Low cardinality means that the column contains a lot of “repeats” in its data range.
It is not common, but cardinality also sometimes refers to the relationships between tables. Cardinality between tables can be one-to-one, many-to-one or many-to-many.
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cdc
Highly Voted 3 years agoHashino
2 years, 4 months agoabdaziz
Most Recent 3 weeks, 2 days ago