Oracle Database - Schema Object

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The schema Objects are logical structures of data stored physically in data file and categorized in a schema.

Database objects that are owned by a user are schema objects

Other definition: A schema Object is a logical structure of data stored in a schema.





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Oracle Database - DDL Locks (data dictionary lock)

A data dictionary (DDL) lock protects the definition of a schema object while an ongoing DDL operation (CREATE, ALTER, DROP) acts on or refers to the object. Only individual schema objects that are modified...
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Oracle Database - Logical Structure

The physical structures of the database contain logical structures: data blocks, extents, segments. tablespaces, and schema objects, Because the physical and logical structures are separate,...
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Oracle Database - Objects

Database object. Each database object is considered to either be: a schema object (ie owned by a user) or a “non-schema object”. See for plsql object type: Object in different namespace are...
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Oracle Database - Schema

A schema is a logical collection of schema objects all of which are owned by a user.



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