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You can use Oracle wallet as a secure external password store for authenticating database users in DBCA silent mode commands. Oracle wallet is a secure software container external to Oracle Database, which can be used to store authentication credentials of Oracle Database users. The configuration of the Oracle wallet as a secure external password store will be done by the mkstore command-line utility. Database User Authentication in DBCA Commands Using Oracle Wallet useWalletForDBCredentials Specify true to use Oracle wallet for database user authentication, else specify false. Default is false. dbCredentialsWalletLocation Directory in which the Oracle wallet files are stored (Optional) dbCredentialsWalletPassword Password for the Oracle wallet account user. If the Oracle wallet is auto-login enabled, then you need not specify this password

Oracle Database 19c introduces a significantly enhanced connection string syntax called Easy Connect Plus. By reducing the need for external configuration files, Easy Connect Plus makes it easier to use features such as TLS connections, wallets, load balancing, connection timeouts, and to tune network buffer sizes. Easy Connect Plus can be used in JDBC and .NET applications. It is also usable in applications and drivers built on the C language Oracle Call Interface (OCI) such as the Oracle Database drivers for Python, Node.js, PHP, Ruby, and Go. Easy connect background An Easy Connect string includes a host name, an optional port, and the database service name: database_host[:port][/[service_name] Easy connect plus syntax The Oracle Database 19c enhanced Easy Connect Plus syntax is a superset of Easy Connect that supports more connection options. The syntax is available in Oracle Database drivers (JDBC, ODP.Net, cx_Oracle, node-oracledb etc) that use Oracle Client 19c and c...

Can you connect as SYSDBA without password into a PDB directly? Of course with the usual way of “ sqlplus / as sysdba ”. Yes you can, even without no bequeath connection available. There is a 19c EBS notes . In one of the most important EBS MOS Notes: 2552181.1 – Interoperability Notes: Oracle E-Business Suite MOS Notes: 2552181.1 – Interoperability Notes: Oracle E-Business Suite Release 12.2 with Oracle Database 19c under section 2.5 you can read: