2. The Office of the Primary Education Commission (2543:5) says that the information in the system, there will be a database several components, as follows: Section
2.1 data unit or character is a small portion of the information as possible, including letters, numbers, symbols
picture 2.2 the field data or the data is a group of characters or symbols that together to replace the definition of the number 1 or 1 text messages, or
2.3 the record or a record is a group of the information that is saved in a sense related to references to any matter
2.4 files is a group of records related to the same subject, as well as many of the records of the relevant records, together,
3. The importance of the database Office of the Primary Education Commission (2543:5.) has been added to the characteristics of the database is as follows:
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