Can Oracle 12c client connect to 9i database?

The 9i client used to be supported with an 11g server, but is not with a 12c server. There is a specific note about it: Attempting to connect from 9.2 to 12.1 will fail with an “ORA-28040: No matching authentication protocol” error.

Can Oracle SQL Developer connect to ODBC?

This is easily solved by running the Oracle installer (it is found in the Oracle for Win9x menu) and installing the Oracle Open Client Adapter for ODBC. This should be found with the distribution that Oracle Developer came with. The first ODBC tells the connection network to connect to a database using the ODBC driver.

What is Oracle ODBC Gateway?

Oracle Database Gateway for ODBC is intended for low-end data integration solutions requiring the dynamic query capability to connect from an Oracle database to non-Oracle systems. The gateway works with an ODBC driver to access the non-Oracle data store using Oracle Database Gateway for ODBC.

Can Oracle 11G client connect to 12C database?

Our Autosys job uses Oracle 11G client to connect to 12C DB. We completed our testing running 1 or 2 Autosys jobs and jobs completed successfully. Running all jobs will take 2 or 3 days for end to end testing.

What are the components of SGA?

The SGA contains the following data structures: Database buffer cache….Automatically Managed SGA Components

  • The shared pool (for SQL and PL/SQL execution)
  • The Java pool (for Java execution state)
  • The large pool (for large allocations such as RMAN backup buffers)
  • The buffer cache.
  • The Streams pool.

What is the difference between 12c and 19c?

Oracle Database 18c is Oracle 12c Release 2 (12.2. 0.2). Oracle Database 19c is the long-term support release, with premier support planned through March 2023 and extended support through March 2026. Oracle 19c is essentially Oracle 12c Release 2 (12.2.