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MySQL, Programming

IT Nursery

Possible to do a MySQL foreign key to one of two possible tables?

Well here’s my problem I have three tables; regions, countries, states. Countries can be inside of regions, states can be inside of regions. ...

May 31, 2022
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MySQL, Programming

IT Nursery

Are table names in MySQL case sensitive?

Are table names in MySQL case sensitive? On my Windows development machine the code I have is able to query my tables which ...

May 31, 2022
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MySQL, Programming

IT Nursery

Check if MySQL table exists without using “select from” syntax?

Is there a way to check if a table exists without selecting and checking values from it? That is, I know I can ...

May 30, 2022
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MySQL, Programming

IT Nursery

Why can’t a text column have a default value in MySQL?

If you try to create a TEXT column on a table, and give it a default value in MySQL, you get an error ...

May 30, 2022
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MySQL, Programming

IT Nursery

Equivalent of varchar(max) in MySQL?

What is the equivalent of varchar(max) in MySQL? 6 Answers 6

May 30, 2022
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MySQL, Programming

IT Nursery

How do I add more members to my ENUM-type column in MySQL?

The MySQL reference manual does not provide a clearcut example on how to do this. I have an ENUM-type column of country names ...

May 30, 2022
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MySQL, Programming

IT Nursery

Difference between two dates in MySQL

How to calculate the difference between two dates, in the format YYYY-MM-DD hh: mm: ss and to get the result in seconds or ...

May 30, 2022
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MySQL, Programming

IT Nursery

MySQL high CPU usage [closed]

Closed. This question is off-topic. It is not currently accepting answers. Want to improve this question? Update the question so it’s on-topic for ...

May 30, 2022
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MySQL, Programming

IT Nursery

Library not loaded: libmysqlclient.16.dylib error when trying to run ‘rails server’ on OS X 10.6 with mysql2 gem

I’ve been struggling with this for some time. I’ve installed Rails 3, gem, mysql on my Snow Leopard machine. All was going well ...

May 30, 2022
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MySQL, Programming

IT Nursery

Why does MYSQL higher LIMIT offset slow the query down?

Scenario in short: A table with more than 16 million records...

May 30, 2022
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