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Cloning a MySQL database on the same MySql instance
...ript which copies my current database sitedb1 to sitedb2 on the same mysql database instance. I know I can dump the sitedb1 to a sql script:
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Binary Data in MySQL [closed]
How do I store binary data in MySQL ?
9 Answers
9
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How the single threaded non blocking IO model works in Node.js
... behavior) most functions that you would use will have callbacks.
Edit
The SQL query is taken from mysql library. It implements callback style as well as event emitter to queue SQL requests. It does not execute them asynchronously, that is done by the internal libuv threads that provide the abstract...
ASP.NET Identity reset password
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Is there any way to do this directly in SQL? I'd love to hand my DBA a sproc to call when needed instead of an executable.
– Mark Richman
Feb 24 '15 at 19:19
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MySQL: Fastest way to count number of rows
Which way to count a number of rows should be faster in MySQL?
12 Answers
12
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Rails 3: Get Random Record
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Thing.first(:order => "RANDOM()") # For MySQL :order => "RAND()", - thanx, @DanSingerman
# Rails 3
Thing.order("RANDOM()").first
or
Thing.first(:offset => rand(Thing.count))
# Rails 3
Thing.offset(rand(Thing.count)).first
Actually, in Rails 3 all examples ...
How to allow remote connection to mysql
I have installed MySQL Community Edition 5.5 on my local machine and I want to allow remote connections so that I can connect from external source.
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Fastest way to determine if record exists
...sting point. I'm not sure if an Index exists on this field, and my newbish SQL doesn't know how to find out. I am working with this DB from Java via JDBC and the database is remotely located in a colo somewhere. I've only been provided a "database summary" which just details which fields exist in ea...
Why do loggers recommend using a logger per class?
... code.
A good example where this is not the best approach, is Hibernate's SQL logs. There is a shared logger named "Hibernate.SQL" or something like that, where a number of different classes write raw SQL out to a single logger category.
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MySQL: Order by field size/length
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@mastazi according to MySQL documentation: OCTET_LENGTH() is a synonym for LENGTH().
– Heitor
Oct 1 '17 at 5:35
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