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SQL Server FAQ - PHP MSSQL - Updating Existing Rows in a Table

By: FYIcenter.com

(Continued from previous topic...)

PHP MSSQL - How To Update Existing Rows in a Table?

Updating existing rows in a table requires to run the UPDATE statement with a WHERE clause to identify the row. The following sample script updates one row with two new values:

<?php
  $con = mssql_connect('LOCALHOST','sa','FYIcenter');
  mssql_select_db('FyiCenterData', $con);

  $sql = "UPDATE fyi_links SET notes='Nice site.', counts=8"
    . " WHERE id = 102";
  $res = mssql_query($sql,$con);
  if (!$res) {
    print("SQL statement failed with error:\n");
    print("   ".mssql_get_last_message()."\n");
  } else {
    $number_of_rows = mssql_rows_affected($con);
    print("$number_of_rows rows updated.\n");
  }

  mssql_close($con); 
?>

If you run this script, you will get something like this:

1 rows updated.

(Continued on next topic...)

  1. PHP MSSQL - How To Create a New Table?
  2. PHP MSSQL - How To Drop an Existing Table?
  3. PHP MSSQL - How To Insert Data into an Existing Table?
  4. PHP MSSQL - How To Make a Column Nullable?
  5. PHP MSSQL - How To Insert Data with NULL Values?
  6. PHP MSSQL - How To Insert Multiple Rows with a subquery?
  7. PHP MSSQL - How To Get the Number of Affected Rows?
  8. PHP MSSQL - What Is a Result Set Object Returned by mssql_query()?
  9. PHP MSSQL - How To Loop through Returning Rows?
  10. PHP MSSQL - How To Update Existing Rows in a Table?
  11. PHP MSSQL - How To Delete Existing Rows in a Table?
  12. PHP MSSQL - How To Include Text Values in SQL Statements?
  13. PHP MSSQL - How To Include Date and Time Values in SQL Statements?
  14. PHP MSSQL - How To Display a Past Time in Days, Hours and Minutes?
  15. PHP MSSQL - How To Perform Key Word Search in Tables?
  16. PHP MSSQL - How To Query Multiple Tables Jointly?
  17. PHP MSSQL - How To Create an Identity Column?

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