~kray | 418871 learn the rules so you know how to break them properly -unknown
----- Original Message ---- From: Parag <[EMAIL PROTECTED]> To: [email protected] Cc: [EMAIL PROTECTED]; Preetam Yadav <[EMAIL PROTECTED]>; [EMAIL PROTECTED]; [EMAIL PROTECTED]; [email protected]; [EMAIL PROTECTED]; [EMAIL PROTECTED]; [EMAIL PROTECTED]; [EMAIL PROTECTED]; [EMAIL PROTECTED]; [EMAIL PROTECTED]; [EMAIL PROTECTED]; [EMAIL PROTECTED]; [EMAIL PROTECTED]; [EMAIL PROTECTED] Sent: Thursday, 14 September, 2006 12:13:38 PM Subject: [php_mysql] Query.... in PHP and MySQL Hi, I am having some following queries 1. What are the modifiers in Smarty in PHP ? 2. What is differenece between Primary Key and Unique Key if we make Unique key as Not Null ? 3. What is Versioning ? What Freeware or Shareware Softwares used for Versioning ? 4. What is PHP - Documentor ? is it supported in PHP 4.x version ? 5. What is funda of callback function and in what situation we use call back function in PHP and Javascript ? 6. what is use of mysqli ? is it faster than normal mysql ? how it increases speed of query when we use mysqli - extension than normal mysql functions available in php? (As we r using extension but i think there will same mysql functions used ) 7. what should be done if there r more hits to mysql server as because of that it is delaying transcations processing ? what can be done to stream line this ? 8. when we give request to particular page - (we r using session) how server understand some specific value is to be displayed for particular session ? I want to know how it internally works (when we send request from browser- client to server) ? (any information sent like session id or something like that ? 9. how the hackers generally logs in remote site then ? i want to log in remote site which is not mine - how to find what cookies and session variables are created ? 10. how index internally works ? for ex. when searches like - select * from employee where name like '%par' - i want to compare first 3 characters of field - select * from employee where name like 'par%' - i want to compare last 3 characters of field which query is will take more time if i done indexing on name field - because i am comparing first 3 and last 3 characters 11. what different types of indexes available in mysql ? what r there use and internal working ? 12. I want to submit page not using <form> tag - how can i decide which method to choose - fsock / curl / snoopy class - or is there any other method than (Except javascript ). 13. when we create more than one fields how mysql server decides about which index to use for sorting records ? 14. What is use of CURL ? Please let me know if u know these answers of any questions. Quick Reply is definatly Appreciated Regards, Parag Rgds, Parag Bhavsar ------------ --------- --------- --- Find out what India is talking about on - Yahoo! Answers India Send FREE SMS to your friend's mobile from Yahoo! Messenger Version 8. 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