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SQL Server FAQ - mssql_query() - Executing SQL Statements

By: FYIcenter.com

(Continued from previous topic...)

How To Execute a SQL Statement using mssql_query()?

Once you have created a connection object, you can use the mssql_query() function to send a SQL statement to the SQL Server linked to the connection object for execution.

Here is a simple PHP script that creates a new schema and a new table:

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

  # creating a new schema
  $sql = 'CREATE SCHEMA fyi';
  mssql_query($sql, $con);
  
  # creating a new table
  $sql = 'CREATE TABLE fyi.center (name VARCHAR(80))';
  mssql_query($sql, $con);

  mssql_close($con); 
?>

If you run this script for the first time, it will execute those two statements correctly for you. But if you run it again, you will some warning messages:

Warning: mssql_query(): message: There is already an object 
named 'fyi' in the database. (severity 16) 
in C:\test\fyi-center.php on line 7

Warning: mssql_query(): message: CREATE SCHEMA failed 
due to previous errors. (severity 16) 
in C:\test\fyi-center.php on line 7

The messages are very clear and easy to understand.

(Continued on next topic...)

  1. How To Download and Install PHP on Windows?
  2. How To Check Your PHP Installation?
  3. What Do You Need to Connect PHP to SQL Server?
  4. How to Turn on the MSSQL API Module?
  5. What Is Wrong with SQL Server Client Libarary DLL, ntwdblib.dll?
  6. What Happens If ntwdblib.dll Is Missing on Your Machine?
  7. Where to Find ntwdblib.dll Version 2000.80.194.0?
  8. How To Connect with Different Port Numbers?
  9. What Are Commonly Used MSSQL Functions in PHP?
  10. How To Disconnect from a SQL Server using mssql_close()?
  11. How To Select an Exiting Database using mssql_select_db()?
  12. How To Execute a SQL Statement using mssql_query()?
  13. How To Retrieve Error Messages using mssql_get_last_message()?
  14. How To Turn Off Warning Messages during PHP Execution?
  15. How To Receive Returning Result from a Query?
  16. How To Loop through Result Set Objects using mssql_fetch_array()?
  17. How To Retrieve Field Values using mssql_result()?
  18. How To List All Field Names in the Result Set using mssql_field_name()?

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