It's 7 bytes
| "elain he" <[EMAIL PROTECTED]>
Sent by: [EMAIL PROTECTED] 10/06/2003 11:44 AM
|
To: Multiple recipients of list ORACLE-L <[EMAIL PROTECTED]> cc: Subject: what's the size of a date field? |
Hi,
I'm trying to figure out the size (in bytes) of a DATE column. Executing the
three queries below returned me three different values. Is there any way of
finding the size of a date column in the database?
Thanks.
elain
select * from testing;
DOB
---------
06-OCT-03
desc testing
Name
Null? Type
------------------------------------------------------------------------
-------- -------------
DOB
DATE
select avg_row_len from user_tables where table_name='TESTING';
AVG_ROW_LEN
-----------
11
select data_length from dba_Tab_columns where table_name='TESTING';
DATA_LENGTH
-----------
7
select length (timestamp) from abc;
LENGTH(TIMESTAMP)
-----------------
9
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Author: elain he
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