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Primary key/foreign Key naming convention [closed]
...e the USING syntax in SQL to save some typing and some boilerplate noise:
SELECT name, address, amount
FROM employees JOIN payroll USING (employee_id)
Another argument in favor of convention #2 is that it's the way the relational model was designed.
The significance of each column is
part...
do N times (declarative syntax)
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Then I guess it's been selected as best answer as it may be a good cleaner start.
– vinyll
Jan 20 '17 at 23:33
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CSS selector by inline style attribute
Is there a CSS selector to select this element by its inline style attribute value?
2 Answers
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Setting up foreign keys in phpMyAdmin?
..._id, in your case). Then, go to relation view (in the referring table) and select the referred column (so in your case foo.id) and the on update and on delete actions.
I think foreign keys are useful if you have multiple tables linked to one another, in particular, your delete scripts will become v...
How to remove constraints from my MySQL table?
...an show the names of the foreign keys by using this query, as shown here:
SELECT CONSTRAINT_NAME FROM INFORMATION_SCHEMA.KEY_COLUMN_USAGE
WHERE REFERENCED_TABLE_SCHEMA = '<database>' AND REFERENCED_TABLE_NAME = '<table>';
Then remove the foreign key by running the before mentioned DR...
The transaction manager has disabled its support for remote/network transactions
...ick the Security tab and make the following changes:
In Security Settings, select the Network DTC Access check box.
In Transaction Manager Communication, select the Allow Inbound and Allow Outbound check boxes.
share
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CSS3 Spin Animation
... To clarify all these comments who are giving incorrect information... the selected answer IS CORRECT without modifications. 0 and 360 deg are actually different in the eyes of the browser, while still being the same point. For example if you try to rotate it from 0deg to 0deg (or 360deg to 360deg),...
How to get share counts using graph API
...e fql end-point (the link_stat table):
https://graph.facebook.com/fql?q=SELECT url, normalized_url, share_count, like_count, comment_count, total_count,commentsbox_count, comments_fbid, click_count FROM link_stat WHERE url='http://www.google.com'
total_count is the number that shows in the Like...
Optimise PostgreSQL for fast testing
... table, manipulating it however you need to, then doing an INSERT INTO ... SELECT ... to copy it to the final table. Note that temporary tables are per-session; if your session ends or you lose your connection then the temp table goes away, and no other connection can see the contents of a session's...
Android emulator failed to allocate memory 8
... +1 This works to me. Maybe it is because when I specified the ram size I select 1 GB.
– Eng.Fouad
Dec 14 '12 at 4:23
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