Data Structure — Computer Science STD 12 Science — Question

Write SQL queries for (i) to (iv) and find outputs for SQL queries (v) to (viii), which are based on the tables:

TABLE: SALESPERSON

CODE	NAME	SALARY	ITCODE
1001	TANDEEP JHA	60000	I2
1002	YOGRAJ SINHA	70000	I5
1003	TENZIN JACK	45000	I2
1005	ANOKHI RAJ	50000	I7
1004	TARANA SEN	55000	I7

TABLE: ITEM

ITCODE	ITEMTYPE	TURNOVER
I5	STATIONARY	3400000
I7	HOISTERY	6500000
I2	BAKERY	10090000

(a) To display the CODE and NAME of all salesperson having “I7” item Type Code from the table SALESPERSON.
(b) To display all details from table SALESPERSON in descending order of SALARY.
(c) To display the number of SALESPERSON dealing in each TYPE of ITEM.(Use ITCODE for the same)
(d) To display NAME of all the salesperson table along with their corresponding ITEMTYPE from the ITEM table.
(e) Select max(salary) from salesperson;
(f) Select distinct itcode from salesperson;
(g) select code,name,i.itcode from sales persons, item i where s.itcode=i.itcode and turnover>=7000000;
(h) Select sum (salary)from salesperson where itcode=”i2”;

Write SQL statements to do the following:

(a) Using the three separate words "We,""study,"and "MySQL,"produce the following output: "We study MySQL "

(b) Use the string "Internet is a boon "and extract the string "net ".

(c) Display the length of the string "Informatics Practices ".

(d) Display the position of "My "in "Enjoying MySQL ".

(e) Display the name of current month.

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