To identify the duplicate entries in MySQL, use below query. SELECT COUNT(*) as repetitions, group_concat(id, ' (', startTime, ', ', endTime, ') ' SEPARATOR ' | ') as row_data FROM GROUP BY startTime, endTime HAVING repetitions > 1 FYI, id, startTime and endTime columns should be changed based on your table schema. you can change the output format here like alias and the separator.
To exclude tables when you are creating database backup from MySQL, execute below query. mysqldump -u root -p<Password> DATABASENAME --ignore-table= DATABASENAME.TABLENAME > BACKUPFILENAME.sql To include tables when you are creating database backup from MySQL, execute below query. mysqldump -u root -p<Password> DATABASENAME TABLENAME1 TABLENAME2 > BACKUPFILENAME.sql Take note that there is no whitespace between -p and the password..
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