What is index in Oracle?
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How to convert raw data type into text in oracle? Explain
In what script is snap$ created? In what script is the scott/tiger schema created?
two tables are there emp(eno,ename,sal,deptno),dept(deptno,dname).how form the query in deptno,ename,max(sal)
How to define an external table with a text file?
Explain the use of inctype option in exp command.
Can you tell me how to add new column in existing views?how?How is possible?
what is the syntax of CREATE command?
find out the second highest salary?
55 Answers Cognizant, Nucsoft, Oracle, TCS, Wondersoft,
1.how to extract the second highest salary from emp table having sal as a column which contains the salary of all employee of an organisation.
What is the relationship among database, tablespace and data file?
What is the difference between PFILE and SPFILE in Oracle?
How to use subqueries with the in operator using oracle?