Just gone thru the maximum length limit for different MySQL TEXT field types. I’m designing a table to store large amount of data within a field. To avoid data being truncated automatically, it’s good to know the maximum length limit for different MySQL TEXT field types.
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Tried to import a mysql innodb from a sql dump file, but it keep show me there is an foreign key constraint error. Due to innodb has foreign key check validation, it does not allow me to continue n show me foreign key constraint error. Ya! I know my data having some foreign key constraint problem, but what i need to do now is to import my sql dump file!
Here’s the error message “#1452 – Cannot add or update a child row: a foreign key constraint fails…”
After going thru the mysql documentation, finally i found the solution! This solution not only allow me to import my innodb, but also improve the import speed tremendously!
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MySQL has a built in function to perform string replace (just like PHP str_replace) thru the query. I just perform a MySQL string replace at a website migration and everything work like a charm. This MySQL string replace function really save me a lot of time! Imagine if i’m going to edit the record one by one, and there is 100 record, i think i’m going to be crazy after the manual edition.
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