A. In the following statement e represents —————-. select…A. In the following statement e represents —————-.select e.first_namefrom employees e 1. Field alias2. None3. Table Alias4. Coulmn B. In the following statement “1” represents —————select substr(first_name,1,3)from employees1. Location from where to start2. None3. Default for substr()4. Number of characters to be retrieved C. In the following code the & symbol is used ——————SELECT first_name,last_nameFROM employeesWHERE upper(last_name) LIKE upper(‘&userEnteredLetter’) || ‘%’1. None2. As “and” operator3. To allow the user enters different values.4. For concatenation Computer ScienceEngineering & TechnologyMYSQLDBS 311
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