what is caching

Answer Posted / nizath ali. u

Hi all this is Nizath Ali,

Caching is a technique, used to improve the
performance of a web application. It temporarily storing
the frequently used data for the web application on the
local hard disk for later retrieval.
(If multiple users access the web application on a
web server, The problem of slow access will occur. To
overcome this problem ASP.NET provides "Caching".)
There are 3 different levels of caching,
1. Output Caching (In this type of caching the data for the
entire page is cached. It is Page Level Caching.)
2. Fragment Caching (In this type of caching the data for
only the specific sections of the page is cached.)
3. Data Caching (In this type of caching all the
frequently accessed data is cached in server side memory
variable. It is Application Level Caching.)

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