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Question
Observe the following table MEMBER carefully and write the name of the RDBMS operation out of (i) SELECTION (ii) PROJECTION (iii) UNION (iv) CARTESIAN PRODUCT, which has been used to produce the output as shown in RESULT. Also, find the Degree and Cardinality of the RESULT :
MEMBER
| NO | MNAME | STREAM |
| M001 | JAYA | SCIENCE |
| M002 | ADITYA | HUMANITIES |
| M003 | HANSRAJ | SCIENCE |
| M004 | SHIVAK | COMMERCE |
RESULT
| NO | MNAME | STREAM |
| M002 | ADI'l'YA | HUMANITIES |
Solution
SELECTION
SELECT * FROM MEMBER WHERE STREAM = “HUMANITIES”;
The degree is 3 and Cardinality is 1 of the RESULT
APPEARS IN
RELATED QUESTIONS
Write SQL queries for (i) to (iv) and find outputs for SQL queries (v) to (viii) which are based on the table.
TABLE: Account
| ANO | ANAME | ADDRESS |
| 101 | Nirja Singh | Bangalore |
| 102 | Rohan Gupta | Chennai |
| 103 | Ali Reza | Hyderabad |
| 104 | Rishabh Jain | Chennai |
| 105 | Simran Kaur | Chandigarh |
TABLE: TRANSACT
| TRNO | ANO | AMOUNT | TYPE | DOT |
| T001 | 101 | 2500 | Withdraw | 2017-12-21 |
| T002 | 103 | 3000 | Deposit | 2017-06-01 |
| T003 | 102 | 2000 | Withdraw | 2017-0S-12 |
| T004 | 103 | 1000 | Deposit | 2017-10-22 |
| T005 | 101 | 12000 | Deposit | 2017-11-06 |
1) To display details of all transaction of TYPE Depos1t from Table TRANSACT.
2) To display the ANO and AMOUNT of all Depos1ts and Withdrawals done in the month of October 2017 from table TRANSACT.
3) To display the last date of the transaction (DOT) from the table TRANSACT for the Accounts having ANO as 103
4) To display all ANO, ANAME and DOT of those persons from tables ACCOUNT and TRANSACT who have done transactions less than or equal to 3000?
5) SELECT ANO, ANAME FROM ACCOUNT WHERE ADDRESS NOT IN ('CHENNAI', 'BANGALORE');
6) SELECT DISTINCT ANO FROM TRANSACT
7) SELECT ANO, COUNT(*), MIN(AMOUNT) FROM TRANSACT GROUP BY AND HAVING COUNT(*) > 1;
8) SELECT COUNT(*), SUM(AMOUNT) FROM TRANSACT WHERE DOT <= '2017-06-01'
Write SQL queries for (i) to (iv) and find outputs for SQL queries (v) to (viii), which are based on the tables.
DVD
| DCODE | DTITLE | DTYPE |
| F101 | Henry Martin | Folk |
| C102 | Dhrupad | Classical |
| C101 | The Planets | Classical |
| F102 | Universal Soldier | Folk |
| R102 | A day in life | Rock |
MEMBER
| MID | NAME | DCODE | ISSUEDATE |
| 101 | AGAM SINGH | R102 | 2017-11-30 |
| 103 | ARTH JOSEPH | F102 | 2016-12-13 |
| 102 | NISHA HANS | C101 | 2017-07- 24 |
1) To display all details from the table MEMBER in descending order of ISSUEDATE
2) To display the DCODE and DTITLE of all Folk Type DVDs from the table DVD.
3) To display the DTYPE and number of DVDs in each DTYPE from the table DVD.
4) To display all NAME and ISSUEDATE of those members from the table. MEMBER who have DVDs issued (i.e., ISSUEDATE) in the year 2017
5) SELECT MIN(ISSUEDATE) FROM MEMBER
6) SELECT DISTINCT DTYPE FROM DVD;
7) SELECT D.DCODE, NAME, DTITLE FROM DVD D, MEMBER M WHERE D.DCODE=M.DCODE;
8) SELECT DTITLE FROM DVD WHERE DTYPE NOT IN ("Folk", "Classical" ) ;
Consider the following DEPT and EMPLOYEE tables. Write SQL queries for (i) to (iv) and find outputs for SQL queries (v) to (viii).
Table: DEPT
| DCODE | DEPARTMENT | LOCATION |
| D01 | INFRASTRUCTURE | DELHI |
| D02 | MARKETING | DELHI |
| D03 | MEDIA | MUMBAI |
| D04 | FINANCE | KOLKATA |
| D05 | HUMAN RESOURCE | MUMBAI |
Table: EMPLOYEE
| ENO | NAME | DOJ | DOB | GENDER | DCODE |
| 1001 | George K | 2013-09-02 | 1991-09-01 | MALE | D01 |
| 1002 | Ryma Sen | 2012-12-11 | 1990-12-15 | FEMALE | D03 |
| 1003 | Mohitesh | 2013-02-03 | 1987-09--04 | MALE | D05 |
| 1007 | Anil Jha | 2014-01-17 | 1984-10-19 | MALE | D04 |
| 1004 | Manila Sahai | 2012-12-09 | 1986-11-14 | FEMALE | D01 |
| 1005 | R SAHAY | 2013-11-18 | 1987-03-31 | MALE | D02 |
| 1006 | Jaya Priya | 2014-06-09 | 1985-06-23 | FEMALE | D05 |
Note: DOJ refers to the date of joining ·and DOB refers to the date of Birth of employees
1) To display Eno, Name, Gender from the table EMPLOYEE in ascending order of Eno.
2) To display the Name of all the MALE Employees from the table EMPLOYEE.
3) To display the Eno and Name of those employees from the table EMPLOYEE who are born between '1987-01-01' and '1991-12-01'.
4) To count and display FEMALE employees who have Joined after '1986-01-01'.
5) SELECT COUNT(*), DCODE FROM EMPLOYEE GROUP BY DCODE HAVING COUNT(*)>1;
6) SELECT DISTINCT DEPARTMENT FROM DEPT;
7) SELECT NAME, DEPARTMENT FROM EMPLOYEE E, DEPT D WHERE E.DCODE=D.DCODE AND EN0<1003;
8) SELECT MAX(DOJ), MIN(DOB) FROM EMPLOYEE;
