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How to delete a column from a table in MySQL
Given the table created using:
8 Answers
8
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How do I create a URL shortener?
...n auto-generated, unique numerical key (the auto-incremented id of a MySQL table for example).
For this example, I will use 12510 (125 with a base of 10).
Now you have to convert 12510 to X62 (base 62).
12510 = 2×621 + 1×620 = [2,1]
This requires the use of integer division and modulo. A pseudo...
How to get a reference to current module's attributes in Python
...obals() — Return a dictionary
representing the current global symbol
table. This is always the dictionary
of the current module (inside a
function or method, this is the module
where it is defined, not the module
from which it is called).
http://docs.python.org/library/functions.html...
Function vs. Stored Procedure in SQL Server
...e INSERT, UPDATE, and DELETE statements in a function, for modifying local table variables.
– Ani
Mar 27 '14 at 7:39
14
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How to fix the uninitialized constant Rake::DSL problem on Heroku?
...he setup for it, otherwise Heroku complains about the missing delayed_jobs table:
#add to gemfile
gem 'delayed_job'
#at command line
bundle install
rails g delayed_job
rake db:migrate
git add -A
git commit -a -m "added delayed_job gem"
git push
heroku rake db:migrate --app myapp
heroku restart --a...
Ruby: Can I write multi-line string with no concatenation?
...c 'select attr1, attr2, attr3, attr4, attr5, attr6, attr7
from table1, table2, table3, etc, etc, etc, etc, etc,
where etc etc etc etc etc etc etc etc etc etc etc etc etc'
Alternatively you can use a heredoc:
conn.exec <<-eos
select attr1, attr2, attr3, attr4, attr...
MySQL “Group By” and “Order By”
I want to be able to select a bunch of rows from a table of e-mails and group them by the from sender. My query looks like this:
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CSS Printing: Avoiding cut-in-half DIVs between pages?
... only way I could get this to work for IE was to wrap each div in it's own table and set the page-break-inside on the table to avoid.
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How can I automate the “generate scripts” task in SQL Server Management Studio 2008?
...or the database publishing wizard (sqlpubwiz.exe). It's not currently scriptable from the command line, I might add that contribution in the future.
Scriptio was originally posted on Bill Graziano's blog, but has subsequently been released to CodePlex by Bill and updated by others. Read the discuss...
Oracle SQL Query for listing all Schemas in a DB
...le mean it's a user ? I mean a schema = user ? and under that user all the tables created same like MySQL ?
– Osama Al-Banna
Jun 15 '16 at 14:12
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