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Disable ActiveRecord for Rails 4
...existing applications:
1. Remove database adapter gems from your Gemfile (mysql2, sqlite3, etc.)
2. Change your config/application.rb
Remove require 'rails/all line and require frameworks (among those available in your rails version, the list varies, do not just copy) you want to use, for example...
What is the error “Every derived table must have its own alias” in MySQL?
I am running this query on MySQL
4 Answers
4
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Is there a way to view past mysql queries with phpmyadmin?
I'm trying to track down a bug that's deleting rows in a mysql table.
13 Answers
13...
Show MySQL host via SQL Command
...last comment,
I don't think you can resolve IP for the hostname using pure mysql function,
as it require a network lookup, which could be taking long time.
However, mysql document mention this :-
resolveip google.com.sg
docs :- http://dev.mysql.com/doc/refman/5.0/en/resolveip.html
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What is the size of column of int(11) in mysql in bytes?
What is the size of column of int(11) in mysql in bytes?
11 Answers
11
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Can you use an alias in the WHERE clause in mysql?
...will not work, in which case you'll need to use a HAVING clause.
From the MySQL Manual:
It is not allowable to refer to a
column alias in a WHERE clause,
because the column value might not yet
be determined when the WHERE clause
is executed. See Section B.1.5.4,
“Problems with Colu...
App Inventor 2 中文网原创内容 · App Inventor 2 中文网
...科普】App Inventor 2 添加超过10个屏幕会怎样？
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【微数据库】每次...
Python os.path.join on Windows
...join('c:', os.sep, 'sourcedir')
Since you also need os.sep for the posix root path:
mypath = os.path.join(os.sep, 'usr', 'lib')
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Adding multiple columns AFTER a specific column in MySQL
...ermitted in a single ALTER TABLE statement, separated by commas. This is a MySQL extension to standard SQL, which permits only one of each clause per ALTER TABLE statement.
– informatik01
May 1 '19 at 13:21
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Multiple columns index when using the declarative ORM extension of sqlalchemy
...f you have a dictionary for table_args like I currently do? table_args = {'mysql_engine':'InnoDB'}
– Nick Holden
Sep 1 '11 at 8:39
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