Even a stopped clock is right twice a day. They have a silly reason for
wanting to use varchar2 but I believe that we've had this discussion before
and the reasons for using char on fields of length 1 were not terribly
compelling.
On the other hand, "not want to have to deal with a 'space'" makes me
shudder. You do have reason to believe that these developers know what
they're doing, right?
YTTRI Lisa
<lisa.yttri To: Multiple recipients of list ORACLE-L
@cnh.com> <[EMAIL PROTECTED]>
Sent by: root cc:
Subject: char vs. varchar in a data
warehouse
06/05/2002
11:53 AM
Please
respond to
ORACLE-L
Hi -
We are in the process of building a data warehouse and data stores. This
will be built on a Sun Solaris (2.8) machine running Oracle 9i R1.
Estimates are approximately 180GB.
The developers have defined most of their small character fields as
varchar2
- even the ones of size 1! They tell me that if the column does not have a
value, they do not want to have to deal with a 'space' when manipulating
that value.
Does this make sense? Should I be pursuing this further or shouldn't I
care
as the DBA?
Lisa
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