A sequential file retrieval

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• Sequential, Indexed and Hash Files

  A hash file has over a sequential file - In hash files, random retrieval on primary key is very fast, while it is impractical in a sequential file. f.

• When should we use a Sequential or a Relational Database

  If the problem is simple one should use a sequential or relational file and if the problem is complex one should choose to use a database? A sequential file is where records are kept sequentially.

• sequential file access

  Sequential file access allows data to be read from a file or written to a file from beginning to end.

• Management Information Systems - Sequential and Direct Access Files

  When the data in a disk file or on a tape or in a memory array is stored in a sequential order with the help of sequential access storage device, the process of accessing data is known as sequential access.

• Sequential files

  "Why are sequential files most widely used?" - Sequential file techniques provide a straightforward way to read and write files.

• Sequential File access - Advantages and Disadvantages

  The advantages and disadvantages of a sequential file: With a sequential file, all records are read into memory so the disk is only accessed once.

• Database Management System

  Explain one advantage that: a. A sequential file has over an indexed file b. A sequential file has over a hash file c. An indexed file has over a sequential file d. An indexed file has over a hash file e.

• Oracle 9i Database Management

  A sequence is an object that generates a sequential series of unique numbers. Sequences are most often used to provide values for surrogate keys.

• Sequential Access files and Direct Access files

  Consider a file consisting of sorted 4-byte integers. If it is stored on tape, it becomes a sequential access file, so inspite of it's content being sorted we can not search the file for a specific value using binary search algorithm.