SQL Query passing null and value in where clause. You may try using the Coalesce function to set a default value for fields that have null: Linked 1.
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Institue may be null sometime. See http: Posted 19-Oct-15 21: Rate this: K09 K09 428 5 24 47. I would use this when possible.
For example I should have query like below.
Treat my content as plain text, not as HTML. As Ada has pointed out, this could cause an indexed field to no longer use an index. How about this. Coalesce is a better solution.
Null gets special treatment. Submit your solution!
Don't tell someone to read the manual.