I have table having maximum number values in character datatype. I want to find those values where no character is defined and replace it with null. eg. table having field receiptno which is character field. I have minimum records having values like a12455,c24353,21243,c34345.
I want to replace these values with null or 0 and change this field with number datatype.
How can I write case statement for this field in simple sql query?????
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A previously published article on Experts Exchange ("Joins in Oracle", http://www.experts-exchange.com/Database/Oracle/A_8249-Joins-in-Oracle.html) makes a statement about "Oracle proprietary" joins and mixes the join syntax with gen…