MySQL
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  1. How can we insert a new row into a MySQL table?

  2. What is the use of MySQL LAST_INSERT_ID() function?

  3. What would be the effect on the output of MySQL LAST_INSERT_ID() function in the case on multiple-row insert?

  4. What function in MySQL can be used to get the number code of a specific character?

  5. What MySQL returns if sub-query, used to assign new values in the SET clause of UPDATE statement, returns multiple rows?

  6. What is the maximum length of MySQL VARCHAR column?

  7. What is the query to know about all character sets supported by MySQL?

  8. How can we get all the unique rows in MySQL result set?

  9. How can we delete a single row from a MySQL table?

  10. How can we check the default character sets of all the MySQL databases we have on the server?

  11. How can we check the default character sets of a particular MySQL database?

  12. What is the query to check Character set of the columns of MySQL table?

  13. How can we delete multiple rows from a MySQL table?

  14. How can we check the character set of all the tables in a particular MySQL database?

  15. What is the importance of the order of Columns in the SET clause of UPDATE statement? Will it make big difference in result set returned by MySQL?

  16. What is the difference between MySQL NOW() and SYSDATE()?

  17. How can we use existing values of the rows to provide new values in the SET clause of UPDATE statement?

  18. How MySQL evaluates if I store date along with time value in a column having DATE data type?

  19. How can we update the values in one MySQL table by using the values of another MySQL table?

  20. What is the use of ALLOW_INVALID_DATES SQL mode?
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