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File Aid DB2 Questions

 
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niks_jude
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Joined: 01 Dec 2006
Posts: 144
Location: Mumbai

PostPosted: Mon Aug 24, 2015 5:13 pm    Post subject: File Aid DB2 Questions
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Hi

Our system has Spufi/QMF but not File-Aid DB2. Was asked the following interview questions wanted to share and see if somebody has the answer (preferably screenshot) -

1) How to see in File-Aid DB2 if column is NULL or not, does it hold any special value or does it appear in different color?

2) The same question on primary key?

Thanks.
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Rohit Umarjikar

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Joined: 21 Sep 2010
Posts: 1904
Location: NY,USA

PostPosted: Tue Aug 25, 2015 12:29 am    Post subject:
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NULL ENTRY Specify the character that, when entered, sets a column to null.
NULL DISPLAY Specify the character that appears for null columns.
SPACES IMPLY NULL Specify ON to have spaces imply nulls for character columns.
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