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26th October 2022
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indiafreenotes
Where clause The WHERE clause is used to filter records. It is used to extract only those records that fulfill…
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26th October 2022
By
indiafreenotes
Data Controlling Language (DCL) helps users to retrieve and modify the data stored in the database with some specified queries.…
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26th October 2022
By
indiafreenotes
The Structure of Create Table Command Table name is Student Column name Data type  Size  Reg_no  varchar2  10  Name  char…
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26th October 2022
By
indiafreenotes
Insert The INSERT INTO statement of SQL is used to insert a new row in a table. There are two…
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26th October 2022
By
indiafreenotes
COMMIT command in SQL is used to save all the transaction-related changes permanently to the disk. Whenever DDL commands such…
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26th October 2022
By
indiafreenotes
Data analysis involves sorting through massive amounts of unstructured information and deriving key insights from it. These insights are enormously…
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26th October 2022
By
indiafreenotes
Open-Source Software It all started with Richard Stallman who developed the GNU project in 1983 which fueled the free software…
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26th October 2022
By
indiafreenotes
Missing Completely at Random (MCAR): The fact that a certain value is missing has nothing to do with its hypothetical…
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26th October 2022
By
indiafreenotes
Data integration involves combining data residing in different sources and providing users with a unified view of them. This process…
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26th October 2022
By
indiafreenotes
Structured data: Structured data is data whose elements are addressable for effective analysis. It has been organized into a formatted…
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