Q11. Which of the following SQL command is used to add a new column in a table?
Q12. Which of the following function is used to change the case of string?
Q13. Write the output of the statement : select upper("mysql")
Q14. Which of the following function return numeric value?
Q15. Which of the following function help to extract substring from main string?
Q16. ___________ return the number of characters in the specified string.
Q17. Which of the following function takes one argument?
Q18. ________________ function returns the position of the first occurrence of the substring in the given string.
Q19. Write the output of statement: Select instr(“Informatics”, “ma”);
Q20. Which function returns the string after removing leading white space characters.