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## org.eclipse.birt.core.data
Interface IColumnBinding

    public interface IColumnBinding

The instance of this interface defines a name-expression pair of column binding.

Method Summary
`java.lang.String` | `getBoundExpression()` Return the bound expression.
`int` | `getOuterLevel()` Get the outer level of column expression
`java.lang.String` | `getResultSetColumnName()` Return the name of result set column.

Method Detail

### getResultSetColumnName

    java.lang.String getResultSetColumnName()

  Return the name of result set column.

  Returns:

### getBoundExpression

    java.lang.String getBoundExpression()

  Return the bound expression.

  Returns:

### getOuterLevel

    int getOuterLevel()

  Get the outer level of column expression

  Returns:

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