what is the difference between data dictionary and metadata?
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What is the difference between metadata and data dictionary? Data dictionary is a repository to store all information. ... Meta data is data that defines other data. Hence, the data dictionary can be metadata that describes some information about the database.
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Difference Between Data and Information. Information is a processed, organised data presented in a given context and is useful to humans. Data is an individual unit that contains raw material which does not carry any specific meaning. ... The average score of a class is the information derived from the given data.
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In Dictionary, key must be unique. Duplicate keys are not allowed if you try to use duplicate key then compiler will throw an exception. In Dictionary, you can only store same types of elements. The capacity of a Dictionary is the number of elements that Dictionary can hold.
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Metadata is information stored in almost any type of file. It can include your name, your company or organization's name, the name of your computer, the name of the network server or drive where you saved the file, personalized comments and the names and times of previous document authors, revisions, or versions.
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The main difference is that a Map, requires that all entries(value & key pair) have a unique key. ... A Dictionary allows for multiple entries to be linked to the same key.
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In NTFS, all file, directory and metafile data—file name, creation date, access permissions (by the use of access control lists), and size—are stored as metadata in the Master File Table (MFT).
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temdata uses TempDataDictionary where every data read, will be marked as available for deletion, keep() and peek() both are used to retain data, the only difference is, keep() will be used to retain data that has been marked for deletion (Read and Keep), whereas peek() will be used where you want to read data without ...
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While both provide context for business transactions, reference data is concerned with classification and categorisation, while master data is concerned with business entities. ... For example, adding a new customer or sales product is part of the standard business process.
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KEY DIFFERENCE Data is a raw and unorganized fact that is required to be processed to make it meaningful whereas Information is a set of data that is processed in a meaningful way according to the given requirement.
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I usually think of it this way: While both information and data are types of knowledge, to me, information is knowledge in its very basic form, while data is a "special" type of information. In other words, data is usually gathered by observation, experimentation, record-keeping, or the like.
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A definition Data dictionaries maintain facilities to document data elements, records, programs, systems, files, users, and other system components. A dictionary will also have facilities to cross-reference all system components to each other.
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Data is a collection of information such as observations, measurements, facts, and descriptions of certain things. ... On the other hand, Metadata, often defined as “data on data”, refers to specific details on these data. It provides granular information on one specific data such as file type, format, origin, date, etc.
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In context|computing|lang=en terms the difference between data and record. is that data is (computing) a representation of facts or ideas in a formalized manner capable of being communicated or manipulated by some process while record is (computing) a set of data relating to a single individual or item.
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Which one of the following options is the application of the Name Node in big data? Metadata is the information that consists of the location of the information and at which data node it is stored. The Name node follows a tree structure where all information and data related files are stored in a big data cluster.
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Data relates to the records that a business relies on, such as Users, Accounts, Contacts, to name a few. On the other hand, Metadata is the data that describes other Data.
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A lexicon is a list of words that belong to a particular language. A dictionary is a list of words and phrases that are (or were) in common usage, together with their definitions - so a dictionary is different from a lexicon because a lexicon is a simple list and doesn't define the words.
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The main difference between database and data structure is that database is a collection of data that is stored and managed in permanent memory while data structure is a way of storing and arranging data efficiently in temporary memory. ... We can process data to generate meaningful information.