SELECT statement: It is used to retrieve information from the table or database . The syntax for the “SELECT” statement is given below: SELECT * FROM table_Name;

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Answer 1

Question

Chapter 7, Problem 1RQ

Program Plan Intro

SELECT statement:

It is used to retrieve information from the table or database. The syntax for the “SELECT” statement is given below:

SELECT * FROM table_Name;

Expert Solution & Answer

Explanation of Solution

Difference between “WHERE” and “HAVING” clause:

“WHERE” clause	“HAVING” clause
“WHERE” clause is used limit the number of rows.	“HAVING” clause is used limit groups.
“WHERE” clause cannot be used with aggregate functions.	“HAVING” clause in used to overcome “WHERE” clause because, “HAVING” clause uses aggregate functions.
Syntax: SELECT column_Name(s) FROM table_Name WHERE condition;	Syntax: SELECT column_Name(s) FROM table_Name GROUP BY column_Name HAVING condition;

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Q4: Consider the following MAILORDER relational schema describing the data for a mail order company. (Choose five only). PARTS(Pno, Pname, Qoh, Price, Olevel) CUSTOMERS(Cno, Cname, Street, Zip, Phone) EMPLOYEES(Eno, Ename, Zip, Hdate) ZIP CODES(Zip, City) ORDERS(Ono, Cno, Eno, Received, Shipped) ODETAILS(Ono, Pno, Qty) (10 Marks) I want a detailed explanation to understand the mechanism how it is Qoh stands for quantity on hand: the other attribute names are self-explanatory. Specify and execute the following queries using the RA interpreter on the MAILORDER database schema. a. Retrieve the names of parts that cost less than $20.00. b. Retrieve the names and cities of employees who have taken orders for parts costing more than $50.00. c. Retrieve the pairs of customer number values of customers who live in the same ZIP Code. d. Retrieve the names of customers who have ordered parts from employees living in Wichita. e. Retrieve the names of customers who have ordered parts costing less…

Q4: Consider the following MAILORDER relational schema describing the data for a mail order company. (Choose five only). (10 Marks) PARTS(Pno, Pname, Qoh, Price, Olevel) CUSTOMERS(Cno, Cname, Street, Zip, Phone) EMPLOYEES(Eno, Ename, Zip, Hdate) ZIP CODES(Zip, City) ORDERS(Ono, Cno, Eno, Received, Shipped) ODETAILS(Ono, Pno, Qty) Qoh stands for quantity on hand: the other attribute names are self-explanatory. Specify and execute the following queries using the RA interpreter on the MAILORDER database schema. a. Retrieve the names of parts that cost less than $20.00. b. Retrieve the names and cities of employees who have taken orders for parts costing more than $50.00. c. Retrieve the pairs of customer number values of customers who live in the same ZIP Code. d. Retrieve the names of customers who have ordered parts from employees living in Wichita. e. Retrieve the names of customers who have ordered parts costing less than$20.00. f. Retrieve the names of customers who have not placed…

ut da Q4: Consider the LIBRARY relational database schema shown in Figure below a. Edit Author_name to new variable name where previous surname was 'Al - Wazny'. Update book_Authors set Author_name = 'alsaadi' where Author_name = 'Al - Wazny' b. Change data type of Phone to string instead of numbers. عرفنه شنو الحل BOOK Book id Title Publisher_name BOOK AUTHORS Book id Author_name PUBLISHER Name Address Phone e u al b are rage c. Add two Publishers Company existed in UK. insert into publisher(name, address, phone) value('ali','uk',78547889), ('karrar', 'uk', 78547889) d. Remove all books author when author name contains second character 'D' and ending by character 'i'. es inf rmar nce 1 tic عرفته شنو الحل e. Add one book as variables data? عرفته شنو الحل

Answer 2

Question

Chapter 7, Problem 1RQ

Program Plan Intro

SELECT statement:

It is used to retrieve information from the table or database. The syntax for the “SELECT” statement is given below:

SELECT * FROM table_Name;

Expert Solution & Answer

Explanation of Solution

Difference between “WHERE” and “HAVING” clause:

“WHERE” clause	“HAVING” clause
“WHERE” clause is used limit the number of rows.	“HAVING” clause is used limit groups.
“WHERE” clause cannot be used with aggregate functions.	“HAVING” clause in used to overcome “WHERE” clause because, “HAVING” clause uses aggregate functions.
Syntax: SELECT column_Name(s) FROM table_Name WHERE condition;	Syntax: SELECT column_Name(s) FROM table_Name GROUP BY column_Name HAVING condition;

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Answer 3

Question

Chapter 7, Problem 1RQ

Program Plan Intro

SELECT statement:

It is used to retrieve information from the table or database. The syntax for the “SELECT” statement is given below:

SELECT * FROM table_Name;

Expert Solution & Answer

Explanation of Solution

Difference between “WHERE” and “HAVING” clause:

“WHERE” clause	“HAVING” clause
“WHERE” clause is used limit the number of rows.	“HAVING” clause is used limit groups.
“WHERE” clause cannot be used with aggregate functions.	“HAVING” clause in used to overcome “WHERE” clause because, “HAVING” clause uses aggregate functions.
Syntax: SELECT column_Name(s) FROM table_Name WHERE condition;	Syntax: SELECT column_Name(s) FROM table_Name GROUP BY column_Name HAVING condition;

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Answer 4

Question

Chapter 7, Problem 1RQ

Program Plan Intro

SELECT statement:

It is used to retrieve information from the table or database. The syntax for the “SELECT” statement is given below:

SELECT * FROM table_Name;

Expert Solution & Answer

Explanation of Solution

Difference between “WHERE” and “HAVING” clause:

“WHERE” clause	“HAVING” clause
“WHERE” clause is used limit the number of rows.	“HAVING” clause is used limit groups.
“WHERE” clause cannot be used with aggregate functions.	“HAVING” clause in used to overcome “WHERE” clause because, “HAVING” clause uses aggregate functions.
Syntax: SELECT column_Name(s) FROM table_Name WHERE condition;	Syntax: SELECT column_Name(s) FROM table_Name GROUP BY column_Name HAVING condition;

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Answer 5

Chapter 7, Problem 1RQ

Program Plan Intro

SELECT statement:

It is used to retrieve information from the table or database. The syntax for the “SELECT” statement is given below:

SELECT * FROM table_Name;

Expert Solution & Answer

Explanation of Solution

Difference between “WHERE” and “HAVING” clause:

“WHERE” clause	“HAVING” clause
“WHERE” clause is used limit the number of rows.	“HAVING” clause is used limit groups.
“WHERE” clause cannot be used with aggregate functions.	“HAVING” clause in used to overcome “WHERE” clause because, “HAVING” clause uses aggregate functions.
Syntax: SELECT column_Name(s) FROM table_Name WHERE condition;	Syntax: SELECT column_Name(s) FROM table_Name GROUP BY column_Name HAVING condition;

Answer 6

Chapter 7, Problem 1RQ

Program Plan Intro

SELECT statement:

It is used to retrieve information from the table or database. The syntax for the “SELECT” statement is given below:

SELECT * FROM table_Name;

Expert Solution & Answer

Explanation of Solution

Difference between “WHERE” and “HAVING” clause:

“WHERE” clause	“HAVING” clause
“WHERE” clause is used limit the number of rows.	“HAVING” clause is used limit groups.
“WHERE” clause cannot be used with aggregate functions.	“HAVING” clause in used to overcome “WHERE” clause because, “HAVING” clause uses aggregate functions.
Syntax: SELECT column_Name(s) FROM table_Name WHERE condition;	Syntax: SELECT column_Name(s) FROM table_Name GROUP BY column_Name HAVING condition;

Answer 7

Chapter 7, Problem 1RQ

Program Plan Intro

SELECT statement:

It is used to retrieve information from the table or database. The syntax for the “SELECT” statement is given below:

SELECT * FROM table_Name;

Answer 8

Expert Solution & Answer

Explanation of Solution

Difference between “WHERE” and “HAVING” clause:

“WHERE” clause	“HAVING” clause
“WHERE” clause is used limit the number of rows.	“HAVING” clause is used limit groups.
“WHERE” clause cannot be used with aggregate functions.	“HAVING” clause in used to overcome “WHERE” clause because, “HAVING” clause uses aggregate functions.
Syntax: SELECT column_Name(s) FROM table_Name WHERE condition;	Syntax: SELECT column_Name(s) FROM table_Name GROUP BY column_Name HAVING condition;

Answer 9

Expert Solution & Answer

Answer 10

Expert Solution & Answer

Answer 11

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SELECT statement: It is used to retrieve information from the table or database . The syntax for the “SELECT” statement is given below: SELECT * FROM table_Name;

Concept explainers

SELECT statement:

It is used to retrieve information from the table or database. The syntax for the “SELECT” statement is given below:

SELECT * FROM table_Name;

Explanation of Solution

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Chapter 7 Solutions

SELECT statement: It is used to retrieve information from the table or database . The syntax for the “SELECT” statement is given below: SELECT * FROM table_Name;

Concept explainers

SELECT statement: It is used to retrieve information from the table or database. The syntax for the “SELECT” statement is given below: SELECT * FROM table_Name;

Explanation of Solution

Want to see more full solutions like this?

Chapter 7 Solutions

SELECT statement:

It is used to retrieve information from the table or database. The syntax for the “SELECT” statement is given below:

SELECT * FROM table_Name;