Which two queries give the required output?

Examine the data in the CUST_NAME column of the CUSTOMERS table.
CUST_NAME
———————Lex De Haan
Renske Ladwig
Jose Manuel Urman
Jason Mallin
You want to extract only those customer names that have three names and display the * symbol in
place of the
first name as follows:
CUST NAME
———————*** De Haan
**** Manuel Urman
Which two queries give the required output? (Choose two.)

Examine the data in the CUST_NAME column of the CUSTOMERS table.
CUST_NAME
———————Lex De Haan
Renske Ladwig
Jose Manuel Urman
Jason Mallin
You want to extract only those customer names that have three names and display the * symbol in
place of the
first name as follows:
CUST NAME
———————*** De Haan
**** Manuel Urman
Which two queries give the required output? (Choose two.)

A.
SELECT LPAD(SUBSTR(cust_name,INSTR(cust_name,’ ‘)),LENGTH(cust_name),’*’) “CUST
NAME” FROM customers
WHERE INSTR(cust_name, ‘ ‘,1,2)<>0;

B.
SELECT LPAD(SUBSTR(cust_name,INSTR(cust_name,’ ‘)),LENGTH(cust_name),’*’) “CUST
NAME” FROM customers
WHERE INSTR(cust_name, ‘ ‘,-1,2)<>0;

C.
SELECT LPAD(SUBSTR(cust_name,INSTR(cust_name,’ ‘)),LENGTH(cust_name)-INSTR(cust_name,”),’*’) “CUST NAME”
FROM customers
WHERE INSTR(cust_name, ‘ ‘,-1,-2)<>0;

D.
SELECT LPAD(SUBSTR(cust_name,INSTR(cust_name,’ ‘)),LENGTH(cust_name)-INSTR(cust_name,’ ‘),’*’) “CUST NAME”
FROM customers
WHERE INSTR(cust_name, ‘ ‘,1,2)<>0 ;



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fatima

fatima

can someone explain …

juli

juli

SELECT last_name, LPAD(SUBSTR(last_name, INSTR(last_name,’ ‘)),LENGTH(last_name),’*’) from employees where last_name like ‘%De %’;

juli

juli

it is clearer here:

select LPAD(SUBSTR(last_name, 3),7,’*’) from employees where last_name like ‘%De %’;