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What is the difference b/w index and subscript?
Subscript indicates to the array occurrence whereas index is the displacement (in no of bytes) from the beginning of the array. An index can only be modified using PERFORM and SEARCH and SET.
B (Blank Insertion) : The occurrence of a B anyplace in the picture will insert a space character in the edited data. There can be more than one B in the picture. Examples:
PERFORM WITH UNTIL OPTION: The format is as shown below: Illustration: A) Perform p-3 until i > 5. Here p-3 will be executed whenever i B) Perform p-2 thru
CONDITIONS-NAME CONDITION: The condition name is an entity which itself is a condition and these can have either a true or false value. Though, a condition name cannot be d
REWRITE STATEMENT: As in the situation of a relative file, the REWRITE statement needs that the file should be opened in the I-O mode, and if the SEQENTIAL access mode is spec
Common form of the READ statements: Format 1 is the common form of the READ statements. Format 2 is used when the access mode is either random or dynamic. For illustration,
MULTI-DIMENSIONAL TABLES: The type of table which has been considered above is known as one-dimensional table. Whenever a table is such that each of its elements in turn is a
RULES FOR INDEXED TABLES: The rules of indexing a table with an INDEXED phrase are as shown below: (1) If indexing is completed for any one level of a table, then indexing
The LENDER Bank offers mortgages on homes valued up to $500,000. The required down payment is calculated as follows: 4% of the first $60,000 borrowed 8% of the next $30,000 borro
Comparison of Numeric Operands: We are well-known with the kind of the relational condition where both the operands are numeric. The comparison in this situation is algebraic
Example of Open statement: Illustration: The OPEN INPUT TRANSACTION, OLD-MASTER OUTPUT NEW-MASTER. The illustration represents that there are two input files named the
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