in this said
the default value must be a constant; it cannot be a function or an
expression
can you tell me why ? why we must give constant default value?
in this said the default value must be a constant; it cannot be a
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in this said
the default value must be a constant; it cannot be a function or an
expression
can you tell me why ? why we must give constant default value?
This is a limitation in MySQL.
You can either use another RDBMS or get around the problem using a trigger.