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What does these codelines mean?


rootKID
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Hello W3S! Been a while. So, lately started a new project. Busy with my studies on the side, but needed a short break. And i thought, what better way to take a break with coding, than having an actual project? My new project is basically a "Note Taking" website (private of course, but still, more or less a hobby than being an active project - for now at least!).

Anywho, so, i have a database and i noticed this before but not sure what the code-lines mean exactly. To me it looks like comments (maybe cuz im used at using PHP mostly), but any suggestions would be greatly appreciated!

(codes below found online, the ones in the second code window are mine... wanted to know what they do mostly and if i need them anyways?):

/*!40101 SET @OLD_CHARACTER_SET_CLIENT=[spam-filter]CHARACTER_SET_CLIENT */;
/*!40101 SET @OLD_CHARACTER_SET_RESULTS=[spam-filter]CHARACTER_SET_RESULTS */;
/*!40101 SET @OLD_COLLATION_CONNECTION=[spam-filter]COLLATION_CONNECTION */;
/*!40101 SET NAMES utf8 */;
/*!40103 SET @OLD_TIME_ZONE=[spam-filter]TIME_ZONE */;
/*!40103 SET TIME_ZONE='+00:00' */;
/*!40014 SET @OLD_UNIQUE_CHECKS=[spam-filter]UNIQUE_CHECKS, UNIQUE_CHECKS=0 */;
/*!40014 SET @OLD_FOREIGN_KEY_CHECKS=[spam-filter]FOREIGN_KEY_CHECKS, FOREIGN_KEY_CHECKS=0 */;
/*!40101 SET @OLD_SQL_MODE=[spam-filter]SQL_MODE, SQL_MODE='NO_AUTO_VALUE_ON_ZERO' */;
/*!40111 SET @OLD_SQL_NOTES=[spam-filter]SQL_NOTES, SQL_NOTES=0 */;

(my codelines are below here - many thanks!):

/*!40101 SET @OLD_CHARACTER_SET_CLIENT=@@CHARACTER_SET_CLIENT */;
/*!40101 SET @OLD_CHARACTER_SET_RESULTS=@@CHARACTER_SET_RESULTS */;
/*!40101 SET @OLD_COLLATION_CONNECTION=@@COLLATION_CONNECTION */;
/*!40101 SET NAMES utf8mb4 */;

Hoping someone will educate me a little further! :)

Regards, rK.

 

 

 

 

 

 

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