You need to display the first names of all customers from the CUSTOMERS table that contain the character ‘e’ and have the character ‘a’ in the second last position.
Which query would give the required output?
A. SELECT cust_first_name
FROM customers
WHERE INSTR(cust_first_name, ‘e’)<>0 AND SUBSTR(cust_first_name, -2, 1)=’a’;
B. SELECT cust_first_name
FROM customers
WHERE INSTR(cust_first_name, ‘e’)<>” AND
SUBSTR(cust_first_name, -2, 1)=’a’;
C. SELECT cust_first_name
FROM customers
WHERE INSTR(cust_first_name, ‘e’)IS NOT NULL AND SUBSTR(cust_first_name, 1, -2)=’a’;
D. SELECT cust_first_name
FROM customers
WHERE INSTR(cust_first_name, ‘e’)<>0 AND
SUBSTR(cust_first_name, LENGTH(cust_first_name), -2)=’a’;
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