Showing posts with label New Queries-7. Show all posts
Showing posts with label New Queries-7. Show all posts

Monday, March 17, 2008

ORACLE QUERIES

61) Display the names of the employees from department number 10 with

salary greater than that of all employee working in other departments.

SQL>select ename from emp where deptno=10 and sal>all(select sal from

emp where deptno not in 10).

62) Display the names of the employees in Uppercase.

SQL>select upper(ename)from emp

63) Display the names of the employees in Lowecase.

SQL>select lower(ename)from emp

64) Display the names of the employees in Propercase.

SQL>select initcap(ename)from emp;

65) Display the length of Your name using appropriate function.

SQL>select length('name') from dual

66) Display the length of all the employee names.

SQL>select length(ename) from emp;

67) select name of the employee concatenate with employee number.

SQL>select enameempno from emp;

68) User appropriate function and extract 3 characters starting from 2

characters from the following string 'Oracle'. i.e the out put should be 'ac'.

SQL>select substr('oracle',3,2) from dual

69) Find the First occurance of character 'a' from the following string i.e

'Computer Maintenance Corporation'.

SQL>SELECT INSTR('Computer Maintenance Corporation','a',1) FROM DUAL

70) Replace every occurance of alphabhet A with B in the string Allens(use

translate function)

SQL>select translate('Allens','A','B') from dual;