DBA_HIST_SQL_BIND_METADATA

DBA_HIST_SQL_BIND_METADATA displays historical information on metadata for bind variables used by SQL cursors.

Column	Datatype	NULL	Description
DBID	NUMBER	NOT NULL	Database ID for the snapshot
SQL_ID	VARCHAR2(13)	NOT NULL	SQL identifier of the parent cursor in the library cache
NAME	VARCHAR2(128)		Name of the bind variable
POSITION	NUMBER	NOT NULL	Position of the bind variable in the SQL statement
DUP_POSITION	NUMBER		If the binding is performed by name and the bind variable is duplicated, then this column gives the position of the primary bind variable
DATATYPE	NUMBER		Internal identifier for the bind data type. Beginning in Oracle Database 12c, a number representing a PL/SQL data type can appear in this column.
DATATYPE_STRING	VARCHAR2(15)		Textual representation of the bind data type. Beginning in Oracle Database 12c, a text representation of a PL/SQL-only data type can appear in this column. If the actual data type is a PL/SQL sub type, the name of the data type, not the sub type will be displayed.
CHARACTER_SID	NUMBER		National character set identifier
PRECISION	NUMBER		Precision (for numeric binds)
SCALE	NUMBER		Scale (for numeric binds)
MAX_LENGTH	NUMBER		Maximum bind length
CON_DBID	NUMBER		The database ID of the PDB for the sampled session
CON_ID	NUMBER		The ID of the container that CON_DBID identifies. Possible values include: 0: This value is used for rows containing data that pertain to the entire CDB. This value is also used for rows in non-CDBs. 1: This value is used for rows containing data that pertain to only the root n: Where n is the applicable container ID for the rows containing data