Users new to the world of databases are often confused by a special value particular to our field – the NULL value. Read about the proper uses of NULL in this article. ... Users new to the world of databases are often confused by a special value particular to our field – the NULL value. This value can be found in a...
databases.about.com/cs/sql/a/aa042803a.htm
Null - Wikipedia, the free encyclopedia
Null means 'nothing' or without value or consequence. Null may refer to: • Null (computer programming), a special value in computer programming • Null (mathematics), a zero value in several branches ...
en.wikipedia.org/wiki/Null
Null (computer programming) - Wikipedia, the free encyclopedia
Null has several meanings in computer programming. ; Null pointer or null reference • Null is a special pointer value (or other kind of object reference) used to signify that a pointer intentionall...
en.wikipedia.org/wiki/Null_(computer_programming)
DB2 : What is a NULL value? What are the pros and cons of using NULLS? A NULL value takes up one byte of storage and indicates that a value is not present as opposed to a space or zero value. It's the DB2 equivalent of TBD on an organizational chart and often correctly portrays a business situation. ... RE: What is a NULL value?
www.geekinterview.com/question_details/11161
* * User specified null value, which if encountered in a data element * means that the element hasn't been initialized. A null field will * not be included in an alternate key on that field * * * Must Be 0 thru 255 DEF NULL-VALUE TYPE BINARY 16 DISPLAY "I5" HEADING "Null/Value".
www.mvcsys.de/example/ddl2html/Definition/NULL-VALUE.ht... www.mvcsys.de/example/ddl2html/Definition/NULL-VALUE.html
What is the difference between an empty value and a null value? ... Question: What is the difference between an "empty" value and a "null" value? When I select those fields that are "empty" versus "null", I get two different result sets.
www.techonthenet.com/oracle/questions/empty_null.php www.techonthenet.com/oracle/questions/empty_null.php
Dog Is God Spelled Backwards! What happens when life has a null value? ... Thus you see where this argument that the value of life, be it humans or dogs, leads when that value is set to null or zero. It means that millions upon millions of people can be exterminated without blinking and eye.
www.byteland.org/projectk9/dogisgod.html
The NULL value is a special value which is different from any valid value for any data type. However, the NULL value is a legal value in any data type. The NULL value is used to represent missing or inapplicable information.
www.ianywhere.com/developer/product_manuals/sqlanywhere... www.ianywhere.com/developer/product_manuals/sqlanywhere/0902/en/html/dbrfen9/00000061.htm
I created a dummy class called Null and put a special case in the $class.instanceOf and $class.getClass methods to consider the null value to be an instance of Null and nothing else.
www.uselesspickles.com/blog/2006/06/12/javascript-null-... www.uselesspickles.com/blog/2006/06/12/javascript-null-identity-crisis/
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