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Define primary key in Apache Cassandra?

Question Posted / himanshu verma


Define primary key in Apache Cassandra?..

Answer / Umesh

"In Apache Cassandra, a Primary Key is a unique identifier for each row (also known as a partition) within a table. It consists of one or more columns that are used to uniquely identify and retrieve the data from the cluster. Each table must have at least one primary key column."

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