Initialization Parameter Files

To start the instance, Oracle must read from an initialization parameter file to determine how to configure the SGA and in general how to run the instance and its database.

Entries in the initialization files are specific to the instance that is going to be accessed. There are two kinds of parameters, explicit and implicit. Explicit parameters have entries in the parameter file. Implicit parameters are implied by taking on the Oracle default values but have no entry within the parameter file.

Although the values within parameter files are specific to a single instance, and a parameter file can only be used for its ...

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