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What are the differences among MySQL_fetch_array(), MySQL_fetch_object(), MySQL_fetch_row()?
Mysql_fetch_object returns the result from the database like objects while mysql_fetch_array returns result as an array.
This will permit access to the data via the field names E.g. using mysql_fetch_object field can be accessed as $result-
>name andusing mysql_fetch_array field can be accessed as $result->[name].
mysql_fetch_row($result):- where $result is the result resource come back from a successful query executed using the mysql_query() function.
Illustration:
$result = mysql_query("SELECT * from students);
while($row = mysql_fetch_row($result))
{
Some statement;
}
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education.
Write short notes on extension and intension? In any data model, it is significant to distinguish among the description of the database and the database itself the description
What are the requirements to ensure the objectives of file management principle is realized?
Problem: (a) Given the following relation: Stats(Name,Sex,Children, Occupation, Salary, Tax, Audits) Write SQL code to define the following security constraints: (i) User
What are the objectives of query processing? Ans: The objectives of query processing is to transform a query written in a high level language into a accurate and efficien
examples of fields in a database
Key to represent relationship amongs tables is called ? A Key that represent the relationship between tables is called Foreign Key.
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