Consider the following emp relation and rename it with your name: emp_no , emp_name , emp_grade , emp_salary , dept_no , start_date Insert Some data in above table: apply truncate and drop command on the table to show the difference between both commands. Drop constraint from emp_no and consider deptno as primary key. Note: this question is from database subject
Consider the following emp relation and rename it with your name: emp_no , emp_name , emp_grade , emp_salary , dept_no , start_date Insert Some data in above table: apply truncate and drop command on the table to show the difference between both commands. Drop constraint from emp_no and consider deptno as primary key. Note: this question is from database subject
Database Systems: Design, Implementation, & Management
12th Edition
ISBN:9781305627482
Author:Carlos Coronel, Steven Morris
Publisher:Carlos Coronel, Steven Morris
Chapter11: Database Performance Tuning And Query Optimization
Section: Chapter Questions
Problem 2P: Problem 1 and 2 are based on the following query: SELECT EMP_LNAME, EMP_FNAME, EMP_AREACODE, EMP_SEX...
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Consider the following emp relation and rename it with your name:
emp_no , emp_name , emp_grade , emp_salary , dept_no , start_date
- Insert Some data in above table: apply truncate and drop command on the table to show the difference between both commands.
- Drop constraint from emp_no and consider deptno as primary key.
Note: this question is from
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