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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, the edit character asterisk (*) may not be used if BLANK WHEN ZERO is specified. When this clause is used to explain a field whose picture holds an asterisk, it is ignored by the compiler. The syntax of this clause is as shown below:
BLANK WHEN ZERO
Examples:
Comparing features of oracle rdbms with Mysql
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Example of condition names: The illustration below is of the use of the condition names 77 MARITAL-STATUS PIC 9 88 SINGLE VALUE IS ZERO 88 MA
what does it used
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