Create SQL queries to answer the following questions for the tables below: REP T
ID: 662607 • Letter: C
Question
Create SQL queries to answer the following questions for the tables below:
REP Table
REP_ID
REP_LNAME
REP_FNAME
REP_STREET
REP_CITY
REP_STATE
REP_ZIP
REP_COMM
REP_RATE
223
Roma
Theresa
735 First
Leonard
GA
25742
$21,756.50
0.06
237
Miller
Fred
643 High
Sheldon
GA
25753
$38,612.00
0.08
268
Rodriguez
Miguel
2737 Tyler
Springfield
GA
25758
$19,774.00
0.06
CUSTOMER Table
CUST_ID
CUST_NAME
CUST_STREET
CUST_CITY
CUST_STATE
CUST_ZIP
CUST_BALANCE
CUST_LIMIT
REP_ID
1159
Charles Appliance and Sport
3948 Brown
Leonard
GA
25742
$5,560.00
$7,500.00
223
1193
Streaming Direct
4938 Maple
Grove
GA
25721
$210.40
$10,000.00
237
1367
Hollister
REP_ID
REP_LNAME
REP_FNAME
REP_STREET
REP_CITY
REP_STATE
REP_ZIP
REP_COMM
REP_RATE
223
Roma
Theresa
735 First
Leonard
GA
25742
$21,756.50
0.06
237
Miller
Fred
643 High
Sheldon
GA
25753
$38,612.00
0.08
268
Rodriguez
Miguel
2737 Tyler
Springfield
GA
25758
$19,774.00
0.06
Explanation / Answer
1)
Select Cust_id ,Cust_name fromCustomer where Product.Product_Desc="Blendar" and Line.Product_id= Product.PROD_ID where exists (select Cust_id from Invoice whre Line.Invoice_num=Invoice.Invoice_Num)
2)
Select Invoice_num,Ivoice_date from Invoice where Customer.Cust_id=Invoice.Cust_id and Cutomer.Name="Charles Appliance and Sport."
3)
Select Invoice_Num, Invoice_Date from Invoice Product_id from Line where invoice.invoice_num=Line.Invoice_Num and Product.Product_desc="Electric Range."
4)
The SQL UNION operator combines the result of two or more SELECT statements.
The SQL UNION Operator
The UNION operator is used to combine the result-set of two or more SELECT statements.
Notice that each SELECT statement within the UNION must have the same number of columns. The columns must also have similar data types. Also, the columns in each SELECT statement must be in the same order.
SQL UNION Syntax
SELECT column_name(s) FROM table1
UNION
SELECT column_name(s) FROM table2;
Note: The UNION operator selects only distinct values by default. To allow duplicate values, use the ALL keyword with UNION.
SQL UNION ALL Syntax
SELECT column_name(s) FROM table1
UNION ALL
SELECT column_name(s) FROM table2;
PS: The column names in the result-set of a UNION are usually equal to the column names in the first SELECT statement in the UNION.
Select Invoice_Num,Invoice_date from Invoice where Customer.Cut_id= Invoice.Cust_id and Customer.Cust_name="Appliance and Sport" Or "Electric Range".
5)
Select Invoice_Num,Invoice_date from Invoice where Customer.Cut_id= Invoice.Cust_id and Customer.Cust_name="Appliance and Sport" Or "Electric Range".