UNCOMPRESSED_LENGTH(compressed_string) returns the length that the compressed string had before being compressed. : UNCOMPRESSED_LENGTH « Encryption Compression Functions « MySQL Tutorial

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MySQL Tutorial » Encryption Compression Functions » UNCOMPRESSED_LENGTH   19. 16. 1. UNCOMPRESSED_LENGTH(compressed_string) returns the length that the compressed string had before being compressed. mysql> mysql> mysql> SELECT UNCOMPRESSED_LENGTH(COMPRESS(REPEAT('a',30))); +-----------------------------------------------+ | UNCOMPRESSED_LENGTH(COMPRESS(REPEAT('a',30))) | +-----------------------------------------------+ |                                            30 | +-----------------------------------------------+ 1 row in set (0.00 sec) mysql> mysql> 19. 16. UNCOMPRESSED_LENGTH 19. 16. 1.  UNCOMPRESSED_LENGTH(compressed_string) returns the length that the compressed string had before being compressed.

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