Mysql contains size of all tables in information_schema.TABLES table. The following query can be used to get size of all databases on a mysql server: read more
Mysql SHOW TABLE STATUS command can be used to display information about all or specified tables in mysql db. Here are some examples: Show status read more
Print current local and global timezone SELECT @@global.time_zone, @@session.time_zone; Here is the outcome @@global.time_zone @@session.time_zone +05:30 +05:30 Find timezone offset using convert_tz select TIMEDIFF(now(), convert_tz(now(), read more
It can be sometime handy to query recently modified (last month or last few days) posts in wordpress mysql tables. Here are some handy queries: read more
WordPress keeps the post meta values in wp_postmeta table. When a post is deleted, its meta data may become orphan. It is harmless data but read more
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