K
KB

Kilobyte (1024 bytes).

Kerberos

A network authentication protocol that provides strong authentication for client/server applications by using secret-key cryptography.

Kerberos ticket

A transparent application mechanism that transmits the identity of an initiating principal to its target. A simple ticket contains the principal's identity, a session key, a timestamp, and other information, all of which are sealed with the target's secret key.

key

A column or an ordered collection of columns that is identified in the description of a table, index, or referential constraint. The same column can be part of more than one key.

keyword

In SQL, a name that identifies an option that is used in an SQL statement.

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