Describe database normalization?
Database Normalization is the process of organizing the fields and tables of a relational database to minimize redundancy and dependency
Management of activities that allow other stages of database application life-cycle to be realized as efficiently and effectively as possible.
What does extracting data mean?
one example is when you are unzipping a game on the p.c using the help of winrar[extracting program]
Another example is when you take something out extracting it.
How do you remove khatarnak virus?
Remove all shares from the system Install avast antivirus and scan for the virus. it will delete the virus named khatarnak.exe.
Your buddy list doesnt show on ichat but im logged in?
Double-click the icon if it doent come up exit ichat and restart your comuter if that doesnt work go the the apple store
Importance of databases in business world?
Databases allow businesses to store information about their employees and about their customers. With a database employees can access this information using computers instead of going to a warehouse.
How to write a Sql query to remove decimal point in a number?
To remove the decimal and numbers:
select Convert(int,12.456)
To keep the numbers after the decimal but remove the ".":
select convert(int,convert(money,12.456)*1000)
Does data warehouse contain data?
Warehousing term is used whenever it is about something to be stored in great quantity with proper categorisation for easy accessibility in need; same applies for data warehouse. It only gets in dept in case of data; relevancy, timeliness and analysis followed by reporting are of prime importance.
Source(s): http://bit.ly/153rq7v
How do you protect your PHP database settings file?
you can put the connection file 1 level above your website's directory, and use random names, like 2134j12h5kh35.php
but really, if it's extension is .php, and in the unlikely event that someone knows where it is, the server will process it anyway and unless you echo your connection details for some strange reason, nothing will be displayed.
To keep records of stuff! For E.g. School: Keeping a record of all every student's contact details. And The Fields Would be, Name, Address, Date of Birth, parents contact phone number, allergies, doctor! Another Example Is, Doctors: For Storing information about the patients that come in. So, if they have an illness the doctor can keep track on the patients on how well/bad its doing. And The fields Would be, Name, adress, Date of birth, emergency Number, Age, allergies, Doctors Name!
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Why Multiplexer is called a universally complete logic model?
Universally complete logic module is a programmable logic device capable of producing all possible functions of three variables or less.It can be proved that a multiplexer is capable of producing all possible functions of three variables..So multiplexer is a universally complete logic module.
SQL functions are primarily a mechanism for extending the power of SQL to handle attributes of complex data types (like images), or to perform complex and non-standard operations. Embedded SQL is useful when imperative actions like displaying results and interacting with the user are needed. These cannot be done conveniently in an SQL only environment. Embedded SQL can be used instead of SQL functions by retrieving data and then performing the function's operations on the SQL result. However a drawback is that a lot of query-evaluation functionality may end up getting repeated in the host language code Regards, Jose Deleep. S
the porpose of database is to sstore consistent,standardise data at a centralized place in a secure manner and to facilitatedata sharing among all the applications requiring it.
Difference between char and varchar datatypes?
Char is fixed length, while Varchar is variable length.
What is database development methdology?
Database systems can be either referential, flat or heiarchial.