Question -
| CODE | TEACHERNAME | SUBJECT | DOJ | PERIODS | EXPERIENCE |
| 1001 | Ravi Shankar | English | 12/3/2000 | 24 | 10 |
| 1009 | Priya Rai | Physics | 03/09/1998 | 26 , | 12 |
| 1203 | Lisa Anand | English | 09/04/2000 | 27 | 5 |
| 1045 | Yashraj | Maths | 24/08/2000 | 24 | 15 |
| 1123 | Ganan | Physics | 16/07/1999 | 28 | 3 |
| 1167 | Harish B | Chemistry | 19/10/1999 | 27 | 5 |
| 1215 | Umesh | Physics | 11/05/1998 | 22 | 16 |
Table : Admin
| Code | Gender | Designation |
| 1001 | Male | Vice Principal |
| 1009 | Female | Coordinator |
| 1203 | Female | Coordinator |
| 1045 | Male | HOD |
| 1123 | Male | Senior Teacher |
| 1167 | Male | Senior Teacher |
| 1215 | Male | HOD |
Write SQL statementsfor the following :
1. To displayTEACHERNAME, PERIODS of all teachers whose periods are more than 25.
2. To display all theinformation from the table SCHOOL in descending order of experience.
3. To display DESIGNATIONwithout duplicate entries from the table ADMIN.
4. To displayTEACHERNAME, CODE and corresponding DESIGNATION from tables SCHOOL and ADMIN ofMale teachers.
Answer -
1. To display TEACHERNAME, PERIODS of all teachers whose periods are more than 25.
SELECT TEACHERNAME, PERIODS
FROM SCHOOL WHERE PERIODS >25.
2.To display all the information from the table SCHOOL in descending order of experience.
SELECT * FROM SCHOOL;
3.To display DESIGNATION without duplicate entries from the table ADMIN.
SELECT DISTINCT DESIGNATION FROM ADMIN;
4.To display TEACHERNAME, CODE and corresponding DESIGNATION from tables SCHOOL and ADMIN of Male teachers.
SELECT TEACHERNAME.CODE
DESIGNATION FROM SCHOOL.CODE = ADMIN.CODE
WHERE GENDER = MALE;