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Oracle: If Table Exists
... TABLE ' || table_name;
EXCEPTION
WHEN OTHERS THEN
IF SQLCODE != -942 THEN
RAISE;
END IF;
END;
ADDENDUM
For reference, here are the equivalent blocks for other object types:
Sequence
BEGIN
EXECUTE IMMEDIATE 'DROP SEQUENCE ' || sequence_name;
EXCEPTION
WHEN OTHERS THEN...
Can two different strings generate the same MD5 hash code?
... echo '0e306561559aa787d00bc6f70bbdfe3404cf03659e704f8534c00ffb659c4c8740cc942feb2da115a3f4155cbb8607497386656d7d1f34a42059d78f5a8dd1ef' | xxd -r -p | tee >/dev/null >(md5) >(sha1sum)
756f3044edf52611a51a8fa7ec8f95e273f21f82 -
cee9a457e790cf20d4bdaa6d69f01e41
$ echo '0e306561559aa787d00bc...
Java Keytool error after importing certificate , “keytool error: java.io.FileNotFoundException & Acc
...ed May 31 '16 at 22:34
goyalshub1509goyalshub1509
4133 bronze badges
a...
Why should I use document based database instead of relational database?
...ase models comarison check this source: https://arxiv.org/ftp/arxiv/papers/1509/1509.08035.pdf
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What is the significance of ProjectTypeGuids tag in the visual studio project file
...57F-5ABD9991F28F}
Windows (Visual C++) {8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}
Web Application {349C5851-65DF-11DA-9384-00065B846F21}
Web Site {E24C65DC-7377-472B-9ABA-BC803B73C61A}
WCF {3D9AD99F-2412-4246-B90B-4EAA41C64699}
WPF {60DC8134-E...
Slide right to left?
... demo, to prevent double margin on double click: http://jsfiddle.net/XNnHC/942/
Use it with easing ;)
http://jsfiddle.net/XNnHC/1591/
Extra JavaScript codes removed.
Class names & some CSS codes changed
Added feature to find if is expanded or collapsed
Changed whether use easing effect or n...
How to get the separate digits of an int number?
...rations. Please correct me if I am wrong.
– goyalshub1509
Jul 18 '16 at 19:23
2
what about negati...
What is the difference between visibility:hidden and display:none?
...
1509
display:none means that the tag in question will not appear on the page at all (although you ...
Using jQuery to test if an input has focus
...
942
jQuery 1.6+
jQuery added a :focus selector so we no longer need to add it ourselves. Just use...
How to get pixel data from a UIImage (Cocoa Touch) or CGImage (Core Graphics)?
...
Apple's Technical Q&A QA1509 shows the following simple approach:
CFDataRef CopyImagePixels(CGImageRef inImage)
{
return CGDataProviderCopyData(CGImageGetDataProvider(inImage));
}
Use CFDataGetBytePtr to get to the actual bytes (and various ...