Why does Oracle 9i treat an empty string as NULL? Why does Oracle 9i treat an empty string as NULL? oracle oracle
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Why does Oracle 9i treat an empty string as NULL?
sql
oracle
null
string
lien
oracle
null vs empty string in Oracle [duplicate]
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oracle10g
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oracle
HQL "is null" And "!= null" on an Oracle column
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hibernate
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nullable
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SQL not displaying null values on a not equals query?
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SQL "Join" on null values
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Oracle/PL SQL/SQL null comparison on where clause
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Counting null values as unique value
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Oracle 10g - optimize WHERE IS NOT NULL
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optimization
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