A database file requires a large amount of disk space and internal memory.
Computer memory can be classified either as internal memory or as external memory. The internal memory is the one that is directly accessible to the processor via system bus and the external memory is accessed via input-output channels of the computer.
Internal memory is also referred to as the primary memory or the main memory of the computer. The internal memory is used to hold the instructions or data that is currently being executed.
Learn about Some properties of Internal and External Storage.
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