CON_ID_TO_CON_NAME
Purpose
CON_ID_TO_CON_NAME takes as an argument a container CON_ID and returns the container NAME.
For CON_ID you must specify a number or an expression that resolves to a number. The function returns a NUMBER value.
This function is useful in a multitentant container database (CDB). If you use this function in a non-CDB, then it returns 0.
Example
SELECT CON_ID, NAME FROM V$CONTAINERS;
CON_ID NAME
–-------- –------------
1 CDB$ROOT
2 PDB$SEED
3 CDB1_PDB1
4 SALESPDB
The following statement returns the container NAME given the container CON_ID 4:
SELECT CON_ID_TO_CON_NAME(4) "CON_NAME" FROM DUAL;
CON_NAME
–-------
SALESDB