Technology Questions

By providing callback function. Callback function gets called whenever corresponding event triggered.

PHP is similar to the C style syntax in terms of keywords and language syntax.

If conditions, for and while loops, and function returns are similar in syntax to languages such as C, C++, C#, Java and Perl.

$filename = "/home/user/guest/newfile.txt";
$file = fopen( $filename, "w" );
if( $file == false )
{
echo ( "Error in opening new file" );
exit();

}
fwrite( $file, "This is a simple test\n" );
fclose( $file );

Using insertion we can perform insertion sort, using selection we can perform selection sort, using exchange we can perform the bubble sort.But by using deletion we cannot perform any sort.

Datastage has two components

-Client Components – Designer, Director, Manager and Administrator

-Server Components – Server, Repository and Plug-ins.

Automatic Private IP Addressing

for small network if u see something default automatic numeric values entered in a device that is attached you can see someone novice has done that using APIPA

Use IDCAMS REPRO to load the flat file into the VSAM file.

Properties of Sub-Query

- A sub-query must be enclosed in the parenthesis.

- A sub-query must be put in the right hand of the comparison operator, and

- A sub-query cannot contain an ORDER-BY clause.

- A query can contain more than one sub-query.

Types of Sub-Query

- Single-row sub-query, where the sub-query returns only one row.

- Multiple-row sub-query, where the sub-query returns multiple rows,. and

- Multiple column sub-query, where the sub-query returns multiple columns