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This question asked in CBSE Comptt, 2010

Consider the following tables RESORT and OWNEDBY and answer the questions (a) and (b) parts of this question:

 

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Table: RESORT

RCODE PLACE RENT TYPE STARTDATE
R001 GOA 15000 5 STAR 12-Jan-02
R002 HIMACHAL 9000 4 STAR 20-Dec-07
R003 KERALA 12500 5 STAR 10-Mar-06
R004 HIMACHAL 10500 2 STAR 25-Nov-05
R005 GUJARAT 8000 4 STAR 01-Jan-03
R006 GOA 18000 7 STAR 30-Mar-08
R007 ORISSA 7500 2 STAR 12-Apr-99
R008 KERALA 11000 5 STAR 03-Mar-03
R009 HIMACHAL 9000 2 STAR 15-Oct-08
R010 GOA 13000 5 STAR 12-Apr-06

Question 9 Long Answer 5 - image 1.jpg

Table: OWNERBY

Place Owner
GOA RAJ RESORTS
KERALA KTDC
HIMACHAL HTDC
GUJARAT MAHINDRA RESORTS
ORISSA OTDC

Question 9 (a)

Write SQL commands for the following statements:

(i) To display the RCODE and PLACE of all ‘5 STAR’ resorts in the alphabetical order of the place from table RESORT.

Answer:

To display the RCODE and PLACE of all ‘5 STAR’ resorts in the alphabetical order of the place from  table RESORT,

  • The WHERE clause followed by condition ie., TYPE=’5 STAR’ should be used to select 5 star resorts.
  • The ORDER BY clause followed by the column name ie., PLACE should be used to arrange the records in alphabetical order of place.

QUERY: SELECT RCODE,PLACE FROM RESORT WHERE TYPE=’5 STAR’ ORDER BY PLACE;

Question 9 (i) Long Answer 5 - image 1.jpg

(ii) To display the maximum and minimum rent for each type of resort from table RESORT.

Answer:

To display the maximum and minimum rent for each type of resort from table RESORT,

  • The MAX( ) and MIN( ) should be used to find maximum and minimum values in a column.
  • The GROUP BY clause followed by column name ie., TYPE should be used to group resorts of the same type.

QUERY: SELECT MAX(RENT),MIN(RENT),TYPE FROM RESORT GROUP BY TYPE;  

Question 9 (ii) Long Answer 5 - image 1.jpg

(iii)To display the details of all resorts which were started after 31-DEC-05 from table RESORT.

Answer:

To display the details of all resorts which were started after 31-DEC-05 from table RESORT, the WHERE clause followed by condition ie., STARTDATE>’2005-12-31’ s hould be used in the query.

QUERY: SELECT * FROM RESORT WHERE STARTDATE>’2005-12-31’;

Question 9 (iii) Long Answer 5 - image 1.jpg

Question 9 (b)

Give output for the following SQL queries:

(i) SELECT MIN(RENT) FROM RESORT WHERE PLACE = ‘KERALA’;

Answer:

The query will display the minimum rent of resorts in Kerala.

Question 9 (iv) Long Answer 5 - image 1.jpg

(ii) SELECT TYPE, STARTDATE FROM RESORT WHERE TYPE = ‘2 STAR’ ORDERBY STARTDATE;

Answer:

The query will display the type and startdate of 2 star resorts in ascending order of startdate.

Question 9 (v) Long Answer 5 - image 1.jpg

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Transcript

This question asked in CBSE Comptt, 2010 Consider the following tables RESORT and OWNEDBY and answer the questions (a) and (b) parts of this question: Table: RESORT RCODE PLACE RENT TYPE STARTDATE R001 GOA 15000 5 STAR 12-Jan-02 R002 HIMACHAL 9000 4 STAR 20-Dec-07 R003 KERALA 12500 5 STAR 10-Mar-06 R004 HIMACHAL 10500 2 STAR 25-Nov-05 R005 GUJARAT 8000 4 STAR 01-Jan-03 R006 GOA 18000 7 STAR 30-Mar-08 R007 ORISSA 7500 2 STAR 12-Apr-99 R008 KERALA 11000 5 STAR 03-Mar-03 R009 HIMACHAL 9000 2 STAR 15-Oct-08 R010 GOA 13000 5 STAR 12-Apr-06 Table: OWNERBY Place Owner GOA RAJ RESORTS KERALA KTDC HIMACHAL HTDC GUJARAT MAHINDRA RESORTS ORISSA OTDC Question 9 (a) Write SQL commands for the following statements: (i) To display the RCODE and PLACE of all ‘5 STAR’ resorts in the alphabetical order of the place from table RESORT. Answer: To display the RCODE and PLACE of all ‘5 STAR’ resorts in the alphabetical order of the place from table RESORT, The WHERE clause followed by condition ie., TYPE=’5 STAR’ should be used to select 5 star resorts. The ORDER BY clause followed by the column name ie., PLACE should be used to arrange the records in alphabetical order of place. QUERY: SELECT RCODE,PLACE FROM RESORT WHERE TYPE=’5 STAR’ ORDER BY PLACE; (ii) To display the maximum and minimum rent for each type of resort from table RESORT. Answer: To display the maximum and minimum rent for each type of resort from table RESORT, The MAX( ) and MIN( ) should be used to find maximum and minimum values in a column. The GROUP BY clause followed by column name ie., TYPE should be used to group resorts of the same type. QUERY: SELECT MAX(RENT),MIN(RENT),TYPE FROM RESORT GROUP BY TYPE; (iii)To display the details of all resorts which were started after 31-DEC-05 from table RESORT. Answer: To display the details of all resorts which were started after 31-DEC-05 from table RESORT, the WHERE clause followed by condition ie., STARTDATE>’2005-12-31’ should be used in the query. QUERY: SELECT * FROM RESORT WHERE STARTDATE>’2005-12-31’; Question 9 (b) Give output for the following SQL queries: (i) SELECT MIN(RENT) FROM RESORT WHERE PLACE = ‘KERALA’; Answer: The query will display the minimum rent of resorts in Kerala. (ii) SELECT TYPE, STARTDATE FROM RESORT WHERE TYPE = ‘2 STAR’ ORDERBY STARTDATE; Answer: The query will display the type and startdate of 2 star resorts in ascending order of startdate.

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Davneet Singh

Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 12 years. He provides courses for Maths and Science at Teachoo.