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SELECT * FROM `innodb_index_stats` ORDER BY `index_name` DESC 
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Full texts database_name table_name index_name Descending Ascending 1 last_update stat_name stat_value sample_size stat_description
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DELETE FROM innodb_index_stats WHERE `innodb_index_stats`.`database_name` = 'qrcodeid' AND `innodb_index_stats`.`table_name` = 'learners' AND `innodb_index_stats`.`index_name` = 'ux_user_lrn' AND `innodb_index_stats`.`stat_name` = 'size'
qrcodeid learners ux_user_lrn 2026-08-21 11:25:47 size 1 NULL Number of pages in the index
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DELETE FROM innodb_index_stats WHERE `innodb_index_stats`.`database_name` = 'qrcodeid' AND `innodb_index_stats`.`table_name` = 'learners' AND `innodb_index_stats`.`index_name` = 'ux_user_lrn' AND `innodb_index_stats`.`stat_name` = 'n_diff_pfx01'
qrcodeid learners ux_user_lrn 2026-08-21 11:25:47 n_diff_pfx01 4 1 user_id
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DELETE FROM innodb_index_stats WHERE `innodb_index_stats`.`database_name` = 'qrcodeid' AND `innodb_index_stats`.`table_name` = 'learners' AND `innodb_index_stats`.`index_name` = 'ux_user_lrn' AND `innodb_index_stats`.`stat_name` = 'n_diff_pfx02'
qrcodeid learners ux_user_lrn 2026-08-21 11:25:47 n_diff_pfx02 574 1 user_id,lrn
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DELETE FROM innodb_index_stats WHERE `innodb_index_stats`.`database_name` = 'qrcodeid' AND `innodb_index_stats`.`table_name` = 'learners' AND `innodb_index_stats`.`index_name` = 'ux_user_lrn' AND `innodb_index_stats`.`stat_name` = 'n_leaf_pages'
qrcodeid learners ux_user_lrn 2026-08-21 11:25:47 n_leaf_pages 1 NULL Number of leaf pages in the index
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DELETE FROM innodb_index_stats WHERE `innodb_index_stats`.`database_name` = 'phpmyadmin' AND `innodb_index_stats`.`table_name` = 'pma__history' AND `innodb_index_stats`.`index_name` = 'username' AND `innodb_index_stats`.`stat_name` = 'size'
phpmyadmin pma__history username 2019-10-21 20:19:11 size 1 NULL Number of pages in the index
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DELETE FROM innodb_index_stats WHERE `innodb_index_stats`.`database_name` = 'phpmyadmin' AND `innodb_index_stats`.`table_name` = 'pma__history' AND `innodb_index_stats`.`index_name` = 'username' AND `innodb_index_stats`.`stat_name` = 'n_diff_pfx01'
phpmyadmin pma__history username 2019-10-21 20:19:11 n_diff_pfx01 0 1 username
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DELETE FROM innodb_index_stats WHERE `innodb_index_stats`.`database_name` = 'phpmyadmin' AND `innodb_index_stats`.`table_name` = 'pma__history' AND `innodb_index_stats`.`index_name` = 'username' AND `innodb_index_stats`.`stat_name` = 'n_diff_pfx02'
phpmyadmin pma__history username 2019-10-21 20:19:11 n_diff_pfx02 0 1 username,db
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DELETE FROM innodb_index_stats WHERE `innodb_index_stats`.`database_name` = 'phpmyadmin' AND `innodb_index_stats`.`table_name` = 'pma__history' AND `innodb_index_stats`.`index_name` = 'username' AND `innodb_index_stats`.`stat_name` = 'n_diff_pfx03'
phpmyadmin pma__history username 2019-10-21 20:19:11 n_diff_pfx03 0 1 username,db,table
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DELETE FROM innodb_index_stats WHERE `innodb_index_stats`.`database_name` = 'phpmyadmin' AND `innodb_index_stats`.`table_name` = 'pma__history' AND `innodb_index_stats`.`index_name` = 'username' AND `innodb_index_stats`.`stat_name` = 'n_diff_pfx04'
phpmyadmin pma__history username 2019-10-21 20:19:11 n_diff_pfx04 0 1 username,db,table,timevalue
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DELETE FROM innodb_index_stats WHERE `innodb_index_stats`.`database_name` = 'phpmyadmin' AND `innodb_index_stats`.`table_name` = 'pma__history' AND `innodb_index_stats`.`index_name` = 'username' AND `innodb_index_stats`.`stat_name` = 'n_diff_pfx05'
phpmyadmin pma__history username 2019-10-21 20:19:11 n_diff_pfx05 0 1 username,db,table,timevalue,id
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DELETE FROM innodb_index_stats WHERE `innodb_index_stats`.`database_name` = 'phpmyadmin' AND `innodb_index_stats`.`table_name` = 'pma__history' AND `innodb_index_stats`.`index_name` = 'username' AND `innodb_index_stats`.`stat_name` = 'n_leaf_pages'
phpmyadmin pma__history username 2019-10-21 20:19:11 n_leaf_pages 1 NULL Number of leaf pages in the index
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DELETE FROM innodb_index_stats WHERE `innodb_index_stats`.`database_name` = 'qrcodeid' AND `innodb_index_stats`.`table_name` = 'email_verifications' AND `innodb_index_stats`.`index_name` = 'user_id' AND `innodb_index_stats`.`stat_name` = 'size'
qrcodeid email_verifications user_id 2026-08-21 17:11:18 size 1 NULL Number of pages in the index
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DELETE FROM innodb_index_stats WHERE `innodb_index_stats`.`database_name` = 'qrcodeid' AND `innodb_index_stats`.`table_name` = 'email_verifications' AND `innodb_index_stats`.`index_name` = 'user_id' AND `innodb_index_stats`.`stat_name` = 'n_diff_pfx01'
qrcodeid email_verifications user_id 2026-08-21 17:11:18 n_diff_pfx01 0 1 user_id
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DELETE FROM innodb_index_stats WHERE `innodb_index_stats`.`database_name` = 'qrcodeid' AND `innodb_index_stats`.`table_name` = 'email_verifications' AND `innodb_index_stats`.`index_name` = 'user_id' AND `innodb_index_stats`.`stat_name` = 'n_diff_pfx02'
qrcodeid email_verifications user_id 2026-08-21 17:11:18 n_diff_pfx02 0 1 user_id,id
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DELETE FROM innodb_index_stats WHERE `innodb_index_stats`.`database_name` = 'qrcodeid' AND `innodb_index_stats`.`table_name` = 'email_verifications' AND `innodb_index_stats`.`index_name` = 'user_id' AND `innodb_index_stats`.`stat_name` = 'n_leaf_pages'
qrcodeid email_verifications user_id 2026-08-21 17:11:18 n_leaf_pages 1 NULL Number of leaf pages in the index
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DELETE FROM innodb_index_stats WHERE `innodb_index_stats`.`database_name` = 'qrcodeid' AND `innodb_index_stats`.`table_name` = 'subscription_payments' AND `innodb_index_stats`.`index_name` = 'user_id' AND `innodb_index_stats`.`stat_name` = 'size'
qrcodeid subscription_payments user_id 2026-08-21 11:26:18 size 1 NULL Number of pages in the index
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DELETE FROM innodb_index_stats WHERE `innodb_index_stats`.`database_name` = 'qrcodeid' AND `innodb_index_stats`.`table_name` = 'subscription_payments' AND `innodb_index_stats`.`index_name` = 'user_id' AND `innodb_index_stats`.`stat_name` = 'n_diff_pfx01'
qrcodeid subscription_payments user_id 2026-08-21 11:26:18 n_diff_pfx01 2 1 user_id
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DELETE FROM innodb_index_stats WHERE `innodb_index_stats`.`database_name` = 'qrcodeid' AND `innodb_index_stats`.`table_name` = 'subscription_payments' AND `innodb_index_stats`.`index_name` = 'user_id' AND `innodb_index_stats`.`stat_name` = 'n_diff_pfx02'
qrcodeid subscription_payments user_id 2026-08-21 11:26:18 n_diff_pfx02 4 1 user_id,id
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DELETE FROM innodb_index_stats WHERE `innodb_index_stats`.`database_name` = 'qrcodeid' AND `innodb_index_stats`.`table_name` = 'subscription_payments' AND `innodb_index_stats`.`index_name` = 'user_id' AND `innodb_index_stats`.`stat_name` = 'n_leaf_pages'
qrcodeid subscription_payments user_id 2026-08-21 11:26:18 n_leaf_pages 1 NULL Number of leaf pages in the index
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DELETE FROM innodb_index_stats WHERE `innodb_index_stats`.`database_name` = 'project_course' AND `innodb_index_stats`.`table_name` = 'activity_logs' AND `innodb_index_stats`.`index_name` = 'user_id' AND `innodb_index_stats`.`stat_name` = 'size'
project_course activity_logs user_id 2026-08-01 11:23:25 size 1 NULL Number of pages in the index
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DELETE FROM innodb_index_stats WHERE `innodb_index_stats`.`database_name` = 'project_course' AND `innodb_index_stats`.`table_name` = 'activity_logs' AND `innodb_index_stats`.`index_name` = 'user_id' AND `innodb_index_stats`.`stat_name` = 'n_diff_pfx01'
project_course activity_logs user_id 2026-08-01 11:23:25 n_diff_pfx01 0 1 user_id
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DELETE FROM innodb_index_stats WHERE `innodb_index_stats`.`database_name` = 'project_course' AND `innodb_index_stats`.`table_name` = 'activity_logs' AND `innodb_index_stats`.`index_name` = 'user_id' AND `innodb_index_stats`.`stat_name` = 'n_diff_pfx02'
project_course activity_logs user_id 2026-08-01 11:23:25 n_diff_pfx02 0 1 user_id,id
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DELETE FROM innodb_index_stats WHERE `innodb_index_stats`.`database_name` = 'project_course' AND `innodb_index_stats`.`table_name` = 'activity_logs' AND `innodb_index_stats`.`index_name` = 'user_id' AND `innodb_index_stats`.`stat_name` = 'n_leaf_pages'
project_course activity_logs user_id 2026-08-01 11:23:25 n_leaf_pages 1 NULL Number of leaf pages in the index
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DELETE FROM innodb_index_stats WHERE `innodb_index_stats`.`database_name` = 'bcihsportal' AND `innodb_index_stats`.`table_name` = 'subject_grade_entries' AND `innodb_index_stats`.`index_name` = 'uq_subject_grade_entry_actor' AND `innodb_index_stats`.`stat_name` = 'size'
bcihsportal subject_grade_entries uq_subject_grade_entry_actor 2026-08-21 21:10:54 size 1 NULL Number of pages in the index
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DELETE FROM innodb_index_stats WHERE `innodb_index_stats`.`database_name` = 'bcihsportal' AND `innodb_index_stats`.`table_name` = 'subject_grade_entries' AND `innodb_index_stats`.`index_name` = 'uq_subject_grade_entry_actor' AND `innodb_index_stats`.`stat_name` = 'n_diff_pfx01'
bcihsportal subject_grade_entries uq_subject_grade_entry_actor 2026-08-21 21:10:54 n_diff_pfx01 23 1 teaching_load_id
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