oci_define_by_name() defines PHP variables for fetches
of SQL-Columns. Take into consideration that Oracle uses ALL-UPPERCASE column names,
whereby in your select you can also use lowercase.
oci_define_by_name() expects
the column_name
to be in uppercase. If you
define a variable that doesn't exists in your select statement, no
error will be issued.
If you need to define an abstract datatype (LOB/ROWID/BFILE) you must allocate it first using oci_new_descriptor(). See also the oci_bind_by_name() function.
Anmerkung: In PHP versions before 5.0.0 you must use ocidefinebyname() instead. This name still can be used, it was left as alias of oci_define_by_name() for downwards compatability. This, however, is deprecated and not recommended.
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