MySQL
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  1. What MySQL COALESCE() function returns if it has a blank, but not NULL, as the first argument?

  2. How can I use IFNULL() function at the place of COALESCE() function in MySQL?

  3. How Can MySQL operator precedence affect result set?

  4. How can we stuff a string with another one using MySQL functions?

  5. What is the use of SOUNDS LIKE operator in MySQL?

  6. What is the use of OPTIMIZE TABLE statement in maintaining the MySQL tables?

  7. How can we select records from a table if the absolute value of the difference between two values is greater than a certain number?

  8. What is the use of CHECK TABLE statement in maintaining the MySQL tables?

  9. What MySQL COALESCE() function returns if all the arguments provided to it are NULL?

  10. Which MySQL function is used to find first non-NULL value from a list of values?

  11. What is the synonym statement of SHOW DATABASES with the help of which we can see the list of MySQL databases?

  12. What is the resemblance of COALESCE() function with IF-THEN-ELSE statement?

  13. Which MySQL query can be used with the help of which we can see the list of MySQL databases?

  14. How can I check the list of MySQL tables, in the current database we are using, along with table type in the result set?

  15. How can I check the list of MySQL tables, in a different database than we are using currently, along with table type in the result set?

  16. How can we create a MySQL user account by omitting the hostname?

  17. How can MySQL SUBSTRING() function be used with FROM and FOR keywords?

  18. How can we remove all the prefixes or suffixes from a given string in MySQL?

  19. How can we grant privileges to a MySQL user?

  20. How can we revoke privileges from a MySQL user?
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