/*
144. UCASE
UCASE(<string>)
将字符串字符转换大写
UPPER(<string>)
*/
SELECT UCASE (‘Ant‘) FROM DUMMY; SELECT UPPER (‘Ant‘) FROM DUMMY;
/*
145. UMINUS
UMINUS(<number>)
对应值取反
*/
SELECT UMINUS(-765) FROM DUMMY;
/*
146. UNICODE
UNICODE(<character>)
将字符转换为对应Unioncode
*/
SELECT UNICODE (‘A‘) FROM DUMMY;
/*
147. UTCTOLOCAL
UTCTOLOCAL (<time> [, <timezone> [, <timezone_dataset>]])
Converts the UTC(GMT) time <t> to the local time in a timezone.
*/
SELECT UTCTOLOCAL(TO_TIMESTAMP(‘2012-01-01 01:00:00‘, ‘YYYY-MM-DD HH24:MI:SS‘), ‘EST‘, ‘sap‘) FROM DUMMY;