WordPress database error: [Table './smDJtGH6wTJK5t/wp1f_actionscheduler_actions' is marked as crashed and last (automatic?) repair failed] SELECT a.hook FROM wp1f_actionscheduler_actions a
JOIN wp1f_actionscheduler_groups g ON g.group_id = a.group_id
WHERE g.slug = 'wp_mail_smtp' AND a.status IN ('in-progress', 'pending')
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INSERT INTO wp1f_actionscheduler_actions ( `hook`, `status`, `scheduled_date_gmt`, `scheduled_date_local`, `schedule`, `group_id`, `priority`, `args` )
SELECT 'wp_mail_smtp_summary_report_email', 'pending', '2026-06-15 11:00:00', '2026-06-15 14:00:00', 'O:32:\"ActionScheduler_IntervalSchedule\":5:{s:22:\"\0*\0scheduled_timestamp\";i:1781521200;s:18:\"\0*\0first_timestamp\";i:1781521200;s:13:\"\0*\0recurrence\";i:604800;s:49:\"\0ActionScheduler_IntervalSchedule\0start_timestamp\";i:1781521200;s:53:\"\0ActionScheduler_IntervalSchedule\0interval_in_seconds\";i:604800;}', 13, 10, '[null]' FROM DUAL
WHERE (
SELECT action_id FROM wp1f_actionscheduler_actions
WHERE status IN ( 'pending', 'in-progress' )
AND hook = 'wp_mail_smtp_summary_report_email'
AND `group_id` = 13
LIMIT 1 ) IS NULL
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INSERT INTO wp1f_actionscheduler_actions ( `hook`, `status`, `scheduled_date_gmt`, `scheduled_date_local`, `schedule`, `group_id`, `priority`, `args` )
SELECT 'wp_mail_smtp_admin_notifications_update', 'pending', '2026-06-10 16:52:12', '2026-06-10 19:52:12', 'O:32:\"ActionScheduler_IntervalSchedule\":5:{s:22:\"\0*\0scheduled_timestamp\";i:1781110332;s:18:\"\0*\0first_timestamp\";i:1781110332;s:13:\"\0*\0recurrence\";i:86400;s:49:\"\0ActionScheduler_IntervalSchedule\0start_timestamp\";i:1781110332;s:53:\"\0ActionScheduler_IntervalSchedule\0interval_in_seconds\";i:86400;}', 13, 10, '[null]' FROM DUAL
WHERE (
SELECT action_id FROM wp1f_actionscheduler_actions
WHERE status IN ( 'pending', 'in-progress' )
AND hook = 'wp_mail_smtp_admin_notifications_update'
AND `group_id` = 13
LIMIT 1 ) IS NULL
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INSERT INTO wp1f_actionscheduler_actions ( `hook`, `status`, `scheduled_date_gmt`, `scheduled_date_local`, `schedule`, `group_id`, `priority`, `args` )
SELECT 'aioseo_cache_prune', 'pending', '2026-06-10 16:51:13', '2026-06-10 19:51:13', 'O:32:\"ActionScheduler_IntervalSchedule\":5:{s:22:\"\0*\0scheduled_timestamp\";i:1781110273;s:18:\"\0*\0first_timestamp\";i:1781110273;s:13:\"\0*\0recurrence\";i:86400;s:49:\"\0ActionScheduler_IntervalSchedule\0start_timestamp\";i:1781110273;s:53:\"\0ActionScheduler_IntervalSchedule\0interval_in_seconds\";i:86400;}', 9, 10, '[]' FROM DUAL
WHERE ( SELECT NULL FROM DUAL ) IS NULL
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INSERT INTO wp1f_actionscheduler_actions ( `hook`, `status`, `scheduled_date_gmt`, `scheduled_date_local`, `schedule`, `group_id`, `priority`, `args` )
SELECT 'aioseo_cache_prune', 'pending', '2026-06-10 16:51:13', '2026-06-10 19:51:13', 'O:32:\"ActionScheduler_IntervalSchedule\":5:{s:22:\"\0*\0scheduled_timestamp\";i:1781110273;s:18:\"\0*\0first_timestamp\";i:1781110273;s:13:\"\0*\0recurrence\";i:86400;s:49:\"\0ActionScheduler_IntervalSchedule\0start_timestamp\";i:1781110273;s:53:\"\0ActionScheduler_IntervalSchedule\0interval_in_seconds\";i:86400;}', 9, 10, '[]' FROM DUAL
WHERE ( SELECT NULL FROM DUAL ) IS NULL
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INSERT INTO wp1f_actionscheduler_actions ( `hook`, `status`, `scheduled_date_gmt`, `scheduled_date_local`, `schedule`, `group_id`, `priority`, `args` )
SELECT 'woocommerce_ac_send_email_action', 'pending', '2026-06-10 16:52:13', '2026-06-10 19:52:13', 'O:32:\"ActionScheduler_IntervalSchedule\":5:{s:22:\"\0*\0scheduled_timestamp\";i:1781110333;s:18:\"\0*\0first_timestamp\";i:1781110333;s:13:\"\0*\0recurrence\";i:900;s:49:\"\0ActionScheduler_IntervalSchedule\0start_timestamp\";i:1781110333;s:53:\"\0ActionScheduler_IntervalSchedule\0interval_in_seconds\";i:900;}', 10, 10, '[]' FROM DUAL
WHERE ( SELECT NULL FROM DUAL ) IS NULL
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Complete Mathematics for Cambridge IGCSE (R) Student Book (Extended)
KSh6,400.00
In stock
By (author) David Rayner , By (author) Ian Bettison , By (author) Mathew Taylor
Build confidence for the latest Cambridge syllabus (0580) with the trusted and rigorous approach of Complete Mathematics, now in its fifth edition. From renowned author trusted David Rayner, the rigorous practice-based approach ensures top Cambridge IGCSE results.
This new edition is fully aligned with the Extended part of the latest IGCSE syllabus, for examination from 2020, and contains a comprehensive mapping grid so you can be sure of complete support.
Students have regular opportunities to hone their skills with extensive graduated practice. Worked examples demonstrate important techniques so students can confidently tackle every question. Plus, find additional practice, revision checklists and exam skills development material on the accompanying support site.
Other resources in this series include a Workbook, Revision Guide and Teacher Pack.
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