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My SQL数据库函数详解(4)

时间:2007-12-23  来源:不详  作者:迈克DB

mysql_select_db("stamp_db") or die("Could not select database");
$query="SELECT * FROM president";
$result=mysql_query($query) or die("Query failed");
for($i=0;$i<mysql_num_fields($result);$i )
{
printf("Information for column %d:<BR>
",$i);
if(!mysql_field_seek($result,$i))
{
print("Cannot seek to colum<BR>
");
continue;
}
$meta=mysql_fetch_field($result,$i);
if(!$meta)
{
print("No information available<BR>
");
continue;
}
print("<PRE>
");
printf("blob: %s
",$meta->blob);
printf("max_length: %s
",$meta->max_length);
printf("multiple_key: %s
",$meta->multiple_key);
printf("name: %s
",$meta->name);
printf("not_null: %s
",$meta->not_null);
printf("numeric: %s
",$meta->numeric);
printf("primary_key: %s
",$meta->primary_key);
printf("table: %s

copyright dedecms


",$meta->table);
printf("type: %s
",$meta->type);
printf("unique_key: %s
",$meta->unique_key);
printf("unsigned: %s
",$meta->unsigned);
printf("zerofill: %s
",$meta->zerofill);
print("</PRE>
");
}
?>

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