unix and linux commands - unix shell scripting

On ROWNUM and Limiting Results

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LEARN ABOUT PHP

mssql_data_seek

MSSQL_DATA_SEEK(3)														MSSQL_DATA_SEEK(3)

mssql_data_seek - Moves internal row pointer

SYNOPSIS

       bool mssql_data_seek (resource  $result_identifier, int	$row_number)

DESCRIPTION

       mssql_data_seek(3)  moves  the  internal  row  pointer of the MS SQL result associated with the specified result identifier to point to the
       specified row number, first row being number 0. The next call to mssql_fetch_row(3) would return that row.

PARAMETERS

	      o $result_identifier
		- The result resource that is being evaluated.

	      o $row_number
		- The desired row number of the new result pointer.

RETURN VALUES

	Returns TRUE on success or FALSE on failure.

EXAMPLES

       Example #1

	      mssql_data_seek(3) example

	      <?php
	      // Connect to MSSQL and select the database
	      $link = mssql_connect('MANGOSQLEXPRESS', 'sa', 'phpfi');
	      mssql_select_db('php', $link);

	      // Select all people
	      $result = mssql_query('SELECT [name], [age] FROM [persons] WHERE [age] >= 13');

	      if (!$result) {
		  die('Query failed.');
	      }

	      // Select every 4th student in the results
	      for ($i = mssql_num_rows($result) - 1; $i % 4; $i++) {
		  if (!mssql_data_seek($result, $i)) {
		      continue;
		  }

		  // Fetch the row ...
	      }

	      // Free the query result
	      mssql_free_result($result);
	      ?>

PHP Documentation Group 													MSSQL_DATA_SEEK(3)