How to create a table index?
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Given two table employee and department EMP ---------------- empid deptid(fk) Dept --------------------- deptid(pk) deptname que-Write a query to find count of employee in each department. Expected Output- deptid countofEmployee --------------------------- 10 57 20 20 30 15
How to shutdown your 10g xe server?
What exactly do quotation marks around the table name do?
Explain a synonym?
How to use "startup" command to start default instance?
what is null value?
What are the components of Logical database structure of ORACLE database?
10)In an RDBMS, the information content of a table does not depend on the order of the rows and columns. Is this statement Correct? A)Yes B)No C)Depends on the data being stored D)Only for 2-dimensional tables
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Explain the use of tables option in exp command.
what is mean by prmary key and foreign key and how can we diffrentiate that? Please answer me. Advance thanks.
Name the three major set of files on disk that compose a database in Oracle?