Technology Questions

SQL*plus allows SQL and PL/SQL scripts to interactively run in command line.

It allows three kinds of commands to run; SQL, PL/SQL and SQL * Plus commands. It’s most commonly used by DBA’s to interact with the oracle database.

- Divide the data into sections

- Add the sections together using 1's complement arithmetic

- Take the complement of the final sum, this is the check sum

-Daily loading is known as incremental load.

-When data is selected from source, selected records are loaded between timestamp of last load and the current time 

-The parameter that are passed to perform are last loaded date and current date

-The first parameter is the stored last run date is read through job parameters

-The second parameter is the current date

There are two types of macros. They are object-like and function-like.

PHP’s configuration file is called php.ini.

JAD (Joint Application Development) is a methodology that involves the client or end user in the design and development of an application, through a succession of collaborative workshops called JAD sessions.

The JAD approach, in comparison with the more traditional practice, is thought to lead to faster development times and greater client satisfaction, because the client is involved throughout the development process. In comparison, in the traditional approach to systems development, the developer investigates the system requirements and develops an application, with client input consisting of a series of interviews.