mysql count table rows
select table_name, sum(table_rows) as sum from information_schema.tables where table_schema = '[DB NAME]' group by table_name order by sum desc;
mysql count table rows
select table_name, sum(table_rows) as sum from information_schema.tables where table_schema = '[DB NAME]' group by table_name order by sum desc;
mysql select count if contains
SELECT sum( case when `tags_Column` CONTAINS 'tag2' then 1 else 0 end ) as tag2, sum( case when `tags_Column` CONTAINS 'tag3' then 1 else 0 end ) as tag3, ..... sum( case when `tags_Column` CONTAINS 'tag256' then 1 else 0 end ) as tag256, sum( case when `tags_Column` CONTAINS `tag2` OR `tags_Column` CONTAINS 'tag3` then 0 else 1 end ) as doesnt_contains_tags_2_3 FROM `TableContainsTags`
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