What does "N" do in a WHERE clause?
- From: "Rich Jesse" <rjoralist@xxxxxxxxxxxxxxxxxxxxx>
- To: oracle-l@xxxxxxxxxxxxx
- Date: Wed, 21 Mar 2007 11:01:43 -0500 (CDT)
Hey all,
Getting used to a new Oracle 10.1.0.5.0 environment and am finding new and
fun things every day. The latest I found is a SELECT statement, generated
by Crystal Enterprise 10 if it matters, that has an odd syntax that I
haven't seen before. Here's a snip:
WHERE NOT( MYTAB"."SDLNTY" = N'F'
OR "MYTAB"."SDLNTY" = N'NS' )
AND "MYTAB"."SDNXTR" < N'999'
AND "MYTAB"."SDECST" = 0
The part that caught my eye in this loosely veiled query piece is the "N"
modifier, or whatever it is. It doesn't look like a function, but it seems
to be acting like CAST(). If it's important, the SQL is in ANSI syntax.
There's nothing that I could find browsing the SQL Reference doc and trying
to Google "ANSI SQL N" didn't help, either. ;)
Anyone seen this before?
TIA!
Rich
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