Question:What is sequence checking ?
Answer
A method for verifying that a file is in order by comparing key fields of consecutive records.
Question:What is sequence checking ?
A method for verifying that a file is in order by comparing key fields of consecutive records.
Question:What is function table?
A table that contains values that are to be retrieved for use in processing.
Question:What is OR oparator ?
A Boolean operation,as in A OR B, in which the statement is true if either A or B(or both) is true.
Question:What is NOT oparator ?
A Boolean operation,as in NOT A , that changes the value of statement from true to false or from false to true.
Question:Define hashing.
Deriving the location for a record in a random file from the record key.