What Are the Differences between BINARY and VARBINARY

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What Are the Differences between BINARY and VARBINARY? - MySQL FAQs - Introduction to SQL Basics

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Both BINARY and VARBINARY are both binary byte data types. But they have the following major differences:

BINARY stores values in fixed lengths. Values are padded with 0x00.
VARBINARY stores values in variable lengths. Values are not padded with any bytes. But 1 or 2 extra bytes are added to store the length of the data.

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