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Operand should contain 1 column(s)

Thread began 3/15/2016 5:42 pm by Kumel | Last modified 3/28/2016 12:03 pm by Kumel | 799 views | 22 replies


Operand should contain 1 column(s)

Wierd error: Operand should contain 1 column(s)
This is appearing after i added

AND UserGroupID = (2,11)

mysql_select_db($database_con1, $con1);
$query_Employees = "SELECT * FROM Users WHERE ID IN (".$row_UsersMachines['EmpID'].") AND UserGroupID = (2,11)";
$Employees = mysql_query($query_Employees, $con1) or die(mysql_error());
$row_Employees = mysql_fetch_assoc($Employees);
$totalRows_Employees = mysql_num_rows($Employees);

The results of these are not shown. When i remove AND UserGroupID = (2,11) results are shown. But i need this filter that UserGroupID must be 2 or 11.

File attached.

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