YashanDB TYPEOF 函数

SELECT TYPEOF('') t1,TYPEOF('1.2345') t2,TYPEOF(1.2345) t3,TYPEOF(SYSDATE) t4FROM DUAL;T1        T2    T3        T4                                                              --------- ----- --------- ----------------------------------------------------------------varchar   char  number    date
SELECT TYPEOF(1.21, 0) RES FROM DUAL;
RES-----------------------------------------number(3, 2)[expr_const:number(3, 2)]
SELECT TYPEOF(1.21, 1) RES FROM DUAL;
RES-------------number(3, 2)