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MySQL 8.0 Reference Manual
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13.7.6.1 SHOW BINARY LOGS Syntax

SHOW BINARY LOGS
SHOW MASTER LOGS

Lists the binary log files on the server. This statement is used as part of the procedure described in Section 13.4.1.1, “PURGE BINARY LOGS Syntax”, that shows how to determine which logs can be purged. SHOW BINARY LOGS requires the REPLICATION CLIENT or SUPER privilege.

Encrypted binary log files have a 512-byte file header that stores information required for encryption and decryption of the file. This is included in the file size displayed by SHOW BINARY LOGS. The Encrypted column shows whether or not the binary log file is encrypted. Binary log encryption is active if binlog_encryption=ON is set for the server. Existing binary log files are not encrypted or decrypted if binary log encryption is activated or deactivated while the server is running.

mysql> SHOW BINARY LOGS;
+---------------+-----------+-----------+
| Log_name      | File_size | Encrypted |
+---------------+-----------+-----------+
| binlog.000015 |    724935 |       Yes |
| binlog.000016 |    733481 |       Yes |
+---------------+-----------+-----------+

SHOW MASTER LOGS is equivalent to SHOW BINARY LOGS.