How long is a date?
Interesting:CREATE TABLE date_test AS SELECT SYSDATE AS thedate FROM dual;
CREATE OR REPLACE VIEW date_test_v1 AS SELECT * FROM date_test;
CREATE OR REPLACE VIEW date_test_v2 AS SELECT SYSDATE AS thedate FROM dual;
SELECT table_name, column_name, data_type, data_length FROM user_tab_columns WHERE table_name LIKE 'DATE_TEST%';
DROP VIEW date_test_v2;
DROP VIEW date_test_v1;
DROP TABLE date_test;
Why is a date 7 bytes, unless it is a constant in a view, in which case it is 8 bytes?According to http://download.oracle.com/docs/cd/B28359_01/server.111/b28318/datatype.htm#i1847, it should be 7 bytes.
See you soon,.
Colin
More information is given about it here...
http://psoug.org/reference/datatypes.html
Tags: Database
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