Fetch the first column of the first row of data returned from a query. The function takes care of doing the query and freeing the results when finished.
the SQL query or the statement to prepare
if supplied, the type of the cell in the result set will be set for fetching
Table 26-1. Possible PEAR_Error values
Error code | Error message | Reason | Solution |
---|---|---|---|
MDB_ERROR_NO_DB_SELECTED | NULL | No database was choosen. | Check the DSN in connect() . |
every other error code | Database specific error | Check the database related section of PHP-Manual to detect the reason for this error. In the most cases a misformed SQL statment. Ie. using LIMIT in a SQL-Statment for an Oracle database. |