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How does DB2 store NULL physically? More DBA job interview questions and answers at
http://dba.fyicenter.com/Interview-Questions/
(Continued from previous question...) How does DB2 store NULL physically? as an extra-byte prefix to the column value. physically, the nul prefix is Hex ’00’ if the value is present and Hex ‘FF’ if it is not. (Continued on next question...)
Other Job Interview Questions
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