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What is diff between vsam and db2?what is advantage of db2
over vsam?which is best suited one?
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Answer / artee
1) DB2 is a true database management system, VSAM is just a file access method.
2) The ability to use SQL and the flexibility it gives an application programmer in manipulating data.
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What is the meaning of 'TALLING' verb in cobol?
given the following piece of code: CALL SUB-PGM USING A, B, C. CALL SUB-PGM USING A, C, C. (a) Both CALL statements will always produce same result. (d) Both CALL statements may produce different result. (c) Compile-time error because SUB-PGM is a dataname. (d) Compile-time error because A, B, C are used twice.
suppose a cobol programme A calling programme B,C and D. If C undergoes some change what if A,B,C,D need to be recompiled or only C nee to be recompliled.
COBOL 
