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Problem 1.1: Create a table called EMP with the following structure. Name Турe EMPNO NUMBER(6) ENAME VARCHAR2(20) JOB VARCHAR2(10) MGR NUMBER(4) DEPTNO NUMBER(3) SAL NUMBER(7,2) Problem 1.2: Add a column COMMISSION which can hold NULL value. Problem 1.3: Modify the column width and data type of the JOB field of EMP1 table. Problem 1.4: Create DEPT table with the following structure. NAME TYPE DEPTNO NUMBER(2) DNAME VARCHAR2(10) LOC VARCHAR2(10) DEPTNO as the PRIMARY KEY Problem 1.5: Add constraints to the EMP1 table that EMPNO as the PRIMARY KEY and DEPTNO as the FOREIGN KEY. Problem 1.6: Add constraints to the EMP1 table to check the EMPNO value while entering (Le) EMPNO > 100. Problem 1.7: Salary value by default is 5000, otherwise as entered values. Problem 1.8: Add a column DOB to the EMP1 table. Problem 1.9: DROP the column DOB from EMP1 table. Problem 1.10: Create the table EMP2 with all its columns from EMP1 using AS SELECT keyword. Delete all its records and finally DROP the EMP2 (pseudo table).

Problem 1.1: Create a table called EMP with the following structure. Name Турe EMPNO NUMBER(6) ENAME VARCHAR2(20) JOB VARCHAR2(10) MGR NUMBER(4) DEPTNO NUMBER(3) SAL NUMBER(7,2) Problem 1.2: Add a column COMMISSION which can hold NULL value. Problem 1.3: Modify the column width and data type of the JOB field of EMP1 table. Problem 1.4: Create DEPT table with the following structure. NAME TYPE DEPTNO NUMBER(2) DNAME VARCHAR2(10) LOC VARCHAR2(10) DEPTNO as the PRIMARY KEY Problem 1.5: Add constraints to the EMP1 table that EMPNO as the PRIMARY KEY and DEPTNO as the FOREIGN KEY. Problem 1.6: Add constraints to the EMP1 table to check the EMPNO value while entering (Le) EMPNO > 100. Problem 1.7: Salary value by default is 5000, otherwise as entered values. Problem 1.8: Add a column DOB to the EMP1 table. Problem 1.9: DROP the column DOB from EMP1 table. Problem 1.10: Create the table EMP2 with all its columns from EMP1 using AS SELECT keyword. Delete all its records and finally DROP the EMP2 (pseudo table).

Computer Networking: A Top-Down Approach (7th Edition)
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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Problem 1.1: Create a table called EMP with the following structure. Name Type EMPNO NUMBER(6) ENAME VARCHAR2(20) JOB VARCHAR2(10) MGR NUMBER(4) DEPTNO NUMBER(3) SAL NUMBER(7,2) Problem 1.2: Add a column COMMISSION which can hold NULL value. Problem 1.3: Modify the column width and data type of the JOB field of EMP1 table. Problem 1.4: Create DEPT table with the following structure. NAME TYPE DEPTNO NUMBER(2) DNAME VARCHAR2(10) LOC VARCHAR2(10) DEPTNO as the PRIMARY KEY Problem 1.5: Add constraints to the EMP1 table that EMPNO as the PRIMARY KEY and DEPTNO as the FOREIGN KEY. Problem 1.6: Add constraints to the EMP1 table to check the EMPNO value while entering (L.e) EMPNO > 100. Problem 1.7: Salary value by default is 5000, otherwise as entered values. Problem 1.8: Add a column DOB to the EMP1 table. Problem 1.9: DROP the column DOB from EMP1 table. Problem 1.10: Create the table EMP2 with all ts columns from EMP1 using AS SELECT keyword. Delete all ts rcords and finally DROP the EMP2 (pseudo table).
Transcribed Image Text:Problem 1.1: Create a table called EMP with the following structure. Name Type EMPNO NUMBER(6) ENAME VARCHAR2(20) JOB VARCHAR2(10) MGR NUMBER(4) DEPTNO NUMBER(3) SAL NUMBER(7,2) Problem 1.2: Add a column COMMISSION which can hold NULL value. Problem 1.3: Modify the column width and data type of the JOB field of EMP1 table. Problem 1.4: Create DEPT table with the following structure. NAME TYPE DEPTNO NUMBER(2) DNAME VARCHAR2(10) LOC VARCHAR2(10) DEPTNO as the PRIMARY KEY Problem 1.5: Add constraints to the EMP1 table that EMPNO as the PRIMARY KEY and DEPTNO as the FOREIGN KEY. Problem 1.6: Add constraints to the EMP1 table to check the EMPNO value while entering (L.e) EMPNO > 100. Problem 1.7: Salary value by default is 5000, otherwise as entered values. Problem 1.8: Add a column DOB to the EMP1 table. Problem 1.9: DROP the column DOB from EMP1 table. Problem 1.10: Create the table EMP2 with all ts columns from EMP1 using AS SELECT keyword. Delete all ts rcords and finally DROP the EMP2 (pseudo table).
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