There're two possible locations for xdb_wallet. Single-instance Databases The root entry of xdb_wallet is $ORACLE_BASE for single-instance databases. $ORACLE_BASE/admin/$ORACLE_SID/xdb_wallet/ RAC Databases The root entry of… Read More »Where is xdb_wallet
Flash-based EM Express I assumed that you have enabled Enterprise Manager Express (EM Express) before reading this post. EM Express 12c For those who using… Read More »EM Express 19c with or without Flash
EM Express for PDB I assumed that you have enabled Enterprise Manager Express (EM Express) before reading this post. During database creation, DBCA enables Enterprise… Read More »How to Start EM Express for PDB
Disable EM Express First of all, we check the current port of Enterprise Manager Express (EM Express) like this: SQL> select dbms_xdb_config.getHttpsPort() port_number from dual;… Read More »How Oracle Disable EM Express
Enable EM Express After installing 12c database, you may want to enable dbconsole just like 10g and 11g, but in fact, there's no emctl command… Read More »How Oracle Enable EM Express
An error occurred when I tried to start up dbconsole of Oracle database 11g. oracle@solaris11vm:~$ emctl start dbconsole OC4J Configuration issue. /u01/app/oracle/product/11.2.0/dbhome_1/oc4j/j2ee/OC4J_DBConsole_localhost_ORCL not found. Looked… Read More »How to Resolve OC4J Configuration issue