Which of the following is correct regarding the statements given below?

Statement 1: Before the server can send the page to the browser it must send the http headers.

Statement 2: session_start() is used to send some headers.

You have an HTML file called mypage.html and you want to store meta headers of this html page. Which directives specifies the filename extension for metainformation files?

Which is correct for specifying the default value?

During heavy INSERT, UPDATE, and DELETE activity, indexes slow down the performance. Which setting controls this behavior?

Read the following code snippet: 1. for filename in *; do 2. if [ -f $filename ]; then 3. ls -l $filename 4. file $filename 5. else 6. echo $filename is not a regular file. 7. fi 8. done What does '-f' in line 2 mean?

Which special variables of a shell script holds the number of arguments passed onto the script?

Refer to the following declarations of the php variables: $company = 'ABS Ltd'; $$company = ', Sydney'; ?> Which is not a correct way of printing 'ABS Ltd , Sydney'?

'Perfect Services' provides financial services worldwide. You want to display data from the table pers for joining_date from #1/1/2005# to #31/12/2005# and the job should either be of an analyst, a clerk or a salesman. Which is correct?

Which can be used to implement data validation while creating a table in MySql?

What is the precision limit for MySQL datatype DOUBLE?