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MySQL Tutorial - Number of Rows Selected or Affected

By: FYIcenter.com

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How To Get the Number of Rows Selected or Affected by a SQL Statement?

There are two functions you can use the get the number of rows selected or affected by a SQL statement:

  • mysql_num_rows($res) - Returns the number of rows selected in a result set object returned from SELECT statement.
  • mysql_affected_rows() - Returns the number of rows affected by the last INSERT, UPDATE or DELETE statement.

(Continued on next topic...)

  1. How To Create a New Table?
  2. How To Get the Number of Rows Selected or Affected by a SQL Statement?
  3. How To Insert Data into an Existing Table?
  4. How To Fix the INSERT Command Denied Error?
  5. How To Insert Multiple Rows with a SELECT Statement?
  6. What Is a Result Set Object?
  7. How To Query Tables and Loop through the Returning Rows?
  8. How To Break Query Output into Pages?
  9. How To Update Existing Rows in a Table?
  10. How To Delete Existing Rows in a Table?
  11. How To Quote Text Values in SQL Statements?
  12. How To Quote Date and Time Values in SQL Statements?
  13. How To Display a Past Time in Days, Hours and Minutes?
  14. How To Perform Key Word Search in Tables?
  15. How To Build WHERE Criteria with Web Form Search Fields?
  16. How To Query Multiple Tables Jointly?
  17. How To Define the ID Column as Auto-Incremented?
  18. How To Get the Last ID Assigned by MySQL?

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