bitmap index should be created on columns which have high cardinality
True
False
what is max length of table name in oracle
50
30
20
40
Oracle is written in which language
sql
java
unix
plsql
Answer the below query.. select to_date('01-01-51','DD-MM-YY') from dual ;
1/1/0051
1/1/1951
1/1/2051
1/1/9951
Answer the below query.. select to_date('01-01-51','DD-MM-RR') from dual
The out put of the below two queries will be same 1.select to_date('01-01-99','DD-MM-YY') from dual 2.select to_date('01-01-99','DD-MM-RR') from dual
The output of the below two queries will be same. 1.select to_date('01-01-00','DD-MM-YY') from dual 2.select to_date('01-01-00','DD-MM-RR') from dual
Output of the below query will be.. select '#' from dual;
Error: invalid identifier
Error : Invalid Character
NULL
#
Output of the below query.. select # from dual;
Error : Invalid identifier
Output of the below two queries would be same.. 1.select 1 from dual; 2.select '1' from dual;