sounds like a homework project to me!
----- Original Message -----
From: Parag
To: [email protected]
Cc: [EMAIL PROTECTED] ; Preetam Yadav ; [EMAIL PROTECTED] ; [EMAIL PROTECTED]
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Sent: Wednesday, September 13, 2006 11:13 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
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