What is the error message that you would get if you try to assign “Null” to an integer variable ?
Answer : error message: cannot convert null to int...
DFD for E-Commerce Website
Answer : The System is recognized as a complete system “Fruit Bazaar System...
Difference Between Get and Post Method in PHP ?
Answer : GET requests can be cached...
How to run PHP in command line ?
Answer : PHP is a server side scripting language, a lot of development using PHP...
How to download a php script directly in your script page ?
Answer : Here we create a PHP script, name it "download.php"...
What is Magic Code ?
Answer : Magic code is used to describe...
How to find out, how a user visited a particular page ?
Answer : We add a counter in that page....
What is the default port for MySQL Server ?
Answer : If you want to check the port...
What is indexing in database ?
Answer : Indexing is the One of the ways that will optimize the database searching...
What is Normalization ?
Answer : Normalization is the process of reorganizing data in a database...
Design a database for a hierarchical data like country, state, zone, street etc., The tags and length of the hierarchy are not specific and they can change anytime ?
Answer : Hierarchical data is a common relational data pattern for representing tree-like data structures...
Characteristics of DBMS ?
Answer : D) all the above...
What is DBMS ?
Answer : DBMS is represented by the DataBase Management...
Lazy writer in Memory ?
Answer : Lazy write is an effect caused by the use of a write-back cache...
What is the difference between the SubQuery and Corelated SubQuery ?
Answer : The inner query is executed only once...
What is the Difference between join and union ?
Answer : The union operator combines the results of two or more queries into a single result set...
What is the SQLCode -501 ?
Answer : sqlcode -501 pops up to show...
What is the difference between a HAVING CLAUSE and a WHERE CLAUSE ?
Answer : The HAVING clause sets conditions on the GROUP BY...
Difference between Clustered and Non-clustered index ?
Answer : Cluster index: Clustered index will be created...
