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What is difference between logical file and physical file?
* Physical file (PF) contains the data and have only one record format. Logical file (LF) is a view of the physical file which does not contain any data may be based on one physical file or more then one physical file. Logical file can have more then one record format. Logical can be non join or join logical file. Performance becomes better if you use the logical file in the program.
What is difference between a file and arecord?
a file is like a file of a student in a school a record is like what they have done in the past like record books and stuff.
Correct difference between file and database?
A file is a record. A record is comprised of a bunch of fields. Files are the subject of some thing. For example, if you are on a mailing list, it has your name, address. A database contains files - think of a file cabinet.
What is the difference between sheet and Work book?
Imagine the workbook to be a physical file/folder and the worksheet is a single page within this file/folder.
What is the similarities between logical file and physical file?
three similarities is that physical file deals with does file that a
What is the difference a record and a file?
A file is a collection or set of records. Typically, In database sense, A Group of records makes a file. A group of attributes makes a record.
What is the difference between a form file object and a windows form object?
difference between a form file and a form.
What is the difference between a file and a record?
A file record is a unique identifier, like your social security number, that will identify a particular person, object, data, etc. A field is a part of that person, object, data. For instance your SSAN is your file record, the fact that you have blue eyes is a field of you, or the charateristics of that person.
Difference between file and folder in dos commands?
what is the differences between a file and a folder
What is the difference between a cherry file cabinet and a normal file cabinet?
The difference between a cherry file cabinet and a normal file cabinet is the finish of the wood. Cherry file cabinets have a deep brownish-red finish.
What is the difference between a DIR file and EXE file in director?
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What is difference between sparse index and dense index?
Dense Index: An index record appears for every search key value in file. This record contains search key value and a pointer to the actual record. Sparse Index: Index records are created only for some of the records. To locate a record, we find the index record with the largest search key value less than or equal to the search key value we are looking for. We start at that record pointed to by the index record, and proceed along the pointers in the file (that is, sequentially) until we find the desired record. - - (ref: http://sawaal.ibibo.com/computers-and-technology/difference-between-sparce-index-dence-index-773764.html)
