Distribution. Distribution Use the check boxes to select distributions to display. Distribution Use the check boxes to select distributions to display in the graph. Distribution Use buttons to select a different distribution to display in the map.
Definition - What does Cardinality mean? 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 ârepeatsâ in its data range.
ACID (an acronymn for Atomicity Consistency Isolation Durability) is a concept that Database Professionals generally look for when evaluating databases and application architectures.For a reliable database all this four attributes should be achieved. Atomicity is an all-or-none proposition.Consistency guarantees that a transaction never leaves your database in a half-finished state. Isolation keeps transactions separated from each other until theyâre finished.or a reliable database all this four attributes should be achieved. Atomicity is an all-or-none proposition. Consistency guarantees that a transaction never leaves your database in a half-finished state. Isolation keeps transactions separated from each other until theyâre finished.