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How can I confirm a database is Oracle & what version it is using SQL?
...om v$version;
For SQL server use:
Select @@VERSION as Version
and for MySQL use:
Show variables LIKE "%version%";
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Using vagrant to run virtual machines with desktop environment
...etter experience, I recommend these improvements:
Don't start the GUI as root. You really want to stay the vagrant user. To do this you need to permit anyone to start the GUI: sudo vim /etc/X11/Xwrapper.config and edit it to allowed_users=anybody.
Next, install the VirtualBox guest tools before st...
How to create an array for JSON using PHP?
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I have this code while($row=mysql_fetch_assoc($query_insert)) { $control=array('regione'=>$row["regione"],'totale'=>$row["prezzi"]); } print (json_encode(%control)); but retun {"regione":"Puglia","totale":"5.15"} not [{..},{..}]
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MongoDb query condition on comparing 2 fields
...t those with condition Grade1 > Grade2 , how can I get a query like in MySQL?
4 Answers
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How do we count rows using older versions of Hibernate (~2009)?
...a works with @EmbeddedId and databases that don't support tuple count (eg. MySQL, where queries like 'select count((a,b)) from table1' doesn't work).
– BrunoJCM
Dec 28 '12 at 20:22
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How to upgrade rubygems
...rubygems-update
update_rubygems
gem update --system
run this commands as root or use sudo.
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Freeing up a TCP/IP port?
...to see all of the processes listening for http requests on port 80 (run as root or use sudo):
# fuser 80/tcp
If you want to kill them, then just add the -k option.
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Can I store the .git folder outside the files I want tracked?
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Note that you can only issue git commands from the root of your repo. Going into subfolders confuses it! (This happens whether or not the given value for gitdir is relative or absolute.)
– joachim
Apr 18 '12 at 12:15
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Avoid duplicates in INSERT INTO SELECT query in SQL Server
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In MySQL you can do this:
INSERT IGNORE INTO Table2(Id, Name) SELECT Id, Name FROM Table1
Does SQL Server have anything similar?
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PHP PDO returning single row
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how about using limit 0,1 for mysql optimisation
and about your code:
$DBH = new PDO( "connection string goes here" );
$STH - $DBH -> prepare( "select figure from table1" );
$STH -> execute();
$result = $STH ->fetch(PDO::FETCH_ASSOC)
echo ...