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Oracle - Default Column Value

This article describes the column default values in Oracle.


Syntax DEFAULT expression
Description The DEFAULT clause specifies a value to be assigned to the column if an INSERT statement omits a value for the column
Acceptable Expressions 1. Constants and string literals
2. SQL functions
Not Valid Expressions 1. References to PL/SQL functions
2. References to other columns
3. The CURRVAL, NEXTVAL, LEVEL, PRIOR, and ROWNUM pseudocolumns

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