Its harder to achieve the logical data independence as it maps to multiple user interfaces & hence changes in logical level may affect sometime external level
Logical data independence is considered more difficult than physical data independence because it involves changes to the conceptual schema and external schema, which are more closely tied to the way data is organized and viewed in the application. Physical data independence, on the other hand, deals with changes to the internal schema, which is more abstract and can be modified with less impact on the overall system.
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As IT is constantly evolving, it is harder and harder to predict (and therefore, teach) how to adopt "traditional" business practices to new medims and technologies. An absolutely basic example is the ever increasing market of independent web-based busineses: without the need for an actual "store", people are able to cut initial costs and offer a higher number of products to an increasing number of people out of their own homes (or third party manufacture like cafepress), with minimal expenditures on staff, advertising, property or inventory.
The difficulty level of IB and CBSE can vary depending on the individual student. IB emphasizes critical thinking and research skills, whereas CBSE is more content-oriented. Students may find IB more challenging due to its broader scope and focus on independent learning, while CBSE may be considered easier by some due to its structured curriculum and exam pattern. Ultimately, the difficulty level can be subjective and is based on personal preference and strengths.
It was night, so the iceberg wasn't seen until too late.Titanic hit the iceberg because she was following protocol and traveling at normal (top) speed in an area believed to be free of ice.
the logical data independence is hard to achieve because all the manipulation is belonging in logical data independence but in physical data independence only show the physical view .
Logical data independence is considered more difficult than physical data independence because it involves changes to the conceptual schema and external schema, which are more closely tied to the way data is organized and viewed in the application. Physical data independence, on the other hand, deals with changes to the internal schema, which is more abstract and can be modified with less impact on the overall system.
The ability to modify a scheme definition in one level without affecting a scheme definition in next higher level is called data independence there are two types of data independence physical data independence:- refers to the ability to modify the scheme followed at the physical level without affecting the scheme followed at logical level logical data independence:- refers to the ability to modify the conceptual scheme without affecting the schemes followed at view level logical independence is difficult to achieve
Yep; half the sperm. Logical, right?
to achieve a goal you should work harder and concentrate only in the goal
they are harder to observe because youcan't be seen.
Getting hotter is physical, getting harder is almost pure chemical.
you have more to carry so you do less because its harder making the fat increace and then making it even HARDER to do stuff
The violin is generally considered harder to learn than the piano due to its complex technique and physical demands.
It makes it much harder for the group to achieve goals.
People's abilities differ. Some find math harder and some find reading harder. But reading is more basic--you need it just to get around in the world. And you have to be able to "read" (interpret written symbols) in order to do math. Some people find math harder, and some people find reading harder. It depends on whether you have a logical, mathematical sort of mind or an intuitive, imaginative sort of mind! i believe that reading is harder than math.
What is the original location of the Aztec empire