What are the components of physical database structure in the Oracle database?
The components of the physical database structure are:
• Greater than equal to two redo log files.
• Greater than equal to one control file.
• Greater than equal to one data file.
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1 Answers Bravura Solutions, Cap Gemini,
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
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