Types of Data Under Big data
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in this video we are going to discuss
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types of data under Big Data so you know
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that we are going to handle huge amount
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of data under this big data and that's
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why it has become a subject now we are
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having mainly three category of data
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will be coming here one will be our
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structured data and the one is the
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unstructured data and the last one will
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be the semi structured data structure
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determines that very data which can be
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represented in the form of rows and
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columns and that is known as the
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structured data as an example we can say
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that the respective web blocks the
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different data which will be generated
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by the sensors and say if we do any
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survey on our population we'll be
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getting our structured data structured
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data is having the example of data base
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in case of unstructured data the data
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will be in the form of say data files
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PDF images videos or the images sent by
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the satellites and different machine
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generated data or the videos could be
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treated under the category of
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unstructured data so that is also a huge
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type structure deter now it is were
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having 20 percent but unstructured data
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is nowadays is having almost 80 percent
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in case of semi structured data to some
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extent it is structured to some extent
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it is unstructured as an example we can
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be discussing say XML files JSON files
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and so on so they will be falling under
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the category of semi structured data so
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let us go for for the discussion on this
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very topic the big data are categorized
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into three different types that is a
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structured data unstructured data and
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semi structured data so let me discuss
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each one of them one by one so at first
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we are going for this database you can
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find that this is a good example of a
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structured data where having certain
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columns so there is the employee number
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name age department' and salary' and
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here we are having their respective
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roles containing the respective
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information so here we are having the
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records and here we are having the
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columns so structured data are those
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type of data which are stored already in
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and order and there are nearly 20% of
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the total existing data nowadays and
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these data are structured and all the
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data generated from sensors way blocks
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and these all machine generated
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structured data so these are the machine
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generated structured data there is a way
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blocks that is of a sensor data and so
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on the human generated structured data
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are those which are taken as information
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from a human like their names addresses
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gender and data part and so on so the
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example of structured data is database
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so now let us concentrate on the
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unstructured data so these are
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unstructured data so the unstructured
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data have no clear format in storage and
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we can store structured data in rows and
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columns database but unstructured data
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cannot be stored like that so
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unstructured data cannot be stored in
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the form of rows and columns and we are
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having at least 80% of the data now it
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is existing which is which are
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unstructured all satellite generated
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images scientific data or images are
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categorized as a machine generated
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unstructured data so the images which
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will be sent by the respective
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satellites can be treated falling in the
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category of unstructured data there are
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various types of human generated
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unstructured data and these are the
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images videos social media data etc so
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the example of unstructured data are the
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text documents PDFs images and videos
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etc so this is the theory or this is a
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concept against this unstructured data
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so now let us come to the last category
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that is the semi structured data so it
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is very difficult to categorize this
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type of data sometimes they'd look
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structured and sometimes they will be
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looking as unstructured so that's why
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this data are known as semi structured
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data we cannot store this type of data
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using traditional database format and
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but it contains some organizational
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properties and examples of semi
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structured data are spreadsheet files
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which we have in our excel in our calc
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we are having the spreadsheet files so
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special sheet file is a good
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Belov semi-structured data we're having
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the xml or json documents there is a
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Java Script object notation so extended
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markup language there is a full form of
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XML and no SQL database are the data
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items which are falling under this
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unstructured data so no skill is this is
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one kind of database where we can keep
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this type of data in a very efficient
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way so in this video we have discussed
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that what are the different types of
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data that big data is going to handle
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thanks for watching this video
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