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Direct Organization:
Besides the relative or indexed organization, also a direct access file can be designed to have what is termed as direct organization. In this organization, the data records are stored or "accessed" by using a scheme of converting the record into the disk address to which the record is placed. Therefore, no index table as in the case of an indexed file is essential.
BLANK WHEN ZERO: BLANK WHEN ZERO is an editing clause that may be used along with a picture. This will set the whole data item to blanks of its value is equal to zero. Though,
FILLER CLAUSE: Consider the statements as shown below: 1) 01 f pic x(80) value all "-". This statement origins a line of 80 characters filled with "-"
77 level used for- It is Elementary level item. it Cannot be subdivisions of other items or cannot be qualified, or they can be subdivided themselves.
OCCURS CLAUSE - PROGRAM: We have to write a program to demonstrate the occurs clause. Get names of the students and show them on the screen. identification division.
Illustration of Subtract verb: (a) SUBTRACT A FROM B. This illustration means that the value of A will be subtracted from the value of B and the subtracted result will be s
Comparing features of oracle rdbms with Mysql
RULES FOR SEARCH VERB: The rules apply for the SEARCH verb is as shown below: (1) The SEARCH verb can be applied only to a table that has the OCCURS clause and INDEXED phra
STATEMENTS FOR SEQUENTIAL FILES: A basic operation on a file includes the reading and writing of its records. Whenever the file is sequential, there are three verbs for the
RULES OF REDEFINES CLAUSE The rules shown below govern the use of the REDEFINES clause: (i) The level-number of data-name-1 and data-name-2 should be identical. (ii) Exce
REDEFINES CLAUSE: At times it may be found that two or more storage regions defined in the DATA DIVISION are not in use concurrently. In such situations only one storage regio
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