# ColumnMetadata


The properties (metadata) of a column. 

## Contents


**Note**  
In the following list, the required parameters are described first.

 ** columnDefault **   <a name="redshiftdata-Type-ColumnMetadata-columnDefault"></a>
The default value of the column.   
Type: String  
Required: No

 ** isCaseSensitive **   <a name="redshiftdata-Type-ColumnMetadata-isCaseSensitive"></a>
A value that indicates whether the column is case-sensitive.   
Type: Boolean  
Required: No

 ** isCurrency **   <a name="redshiftdata-Type-ColumnMetadata-isCurrency"></a>
A value that indicates whether the column contains currency values.  
Type: Boolean  
Required: No

 ** isSigned **   <a name="redshiftdata-Type-ColumnMetadata-isSigned"></a>
A value that indicates whether an integer column is signed.  
Type: Boolean  
Required: No

 ** label **   <a name="redshiftdata-Type-ColumnMetadata-label"></a>
The label for the column.   
Type: String  
Required: No

 ** length **   <a name="redshiftdata-Type-ColumnMetadata-length"></a>
The length of the column.  
Type: Integer  
Required: No

 ** name **   <a name="redshiftdata-Type-ColumnMetadata-name"></a>
The name of the column.   
Type: String  
Required: No

 ** nullable **   <a name="redshiftdata-Type-ColumnMetadata-nullable"></a>
A value that indicates whether the column is nullable.   
Type: Integer  
Required: No

 ** precision **   <a name="redshiftdata-Type-ColumnMetadata-precision"></a>
The precision value of a decimal number column, or the column length for a non-numeric column.   
Type: Integer  
Required: No

 ** scale **   <a name="redshiftdata-Type-ColumnMetadata-scale"></a>
The scale value of a decimal number column.   
Type: Integer  
Required: No

 ** schemaName **   <a name="redshiftdata-Type-ColumnMetadata-schemaName"></a>
The name of the schema that contains the table that includes the column.  
Type: String  
Required: No

 ** tableName **   <a name="redshiftdata-Type-ColumnMetadata-tableName"></a>
The name of the table that includes the column.   
Type: String  
Required: No

 ** typeName **   <a name="redshiftdata-Type-ColumnMetadata-typeName"></a>
The database-specific data type of the column.   
Type: String  
Required: No

## See Also


For more information about using this API in one of the language-specific Amazon SDKs, see the following:
+  [Amazon SDK for C\$1\$1](https://docs.amazonaws.cn/goto/SdkForCpp/redshift-data-2019-12-20/ColumnMetadata) 
+  [Amazon SDK for Java V2](https://docs.amazonaws.cn/goto/SdkForJavaV2/redshift-data-2019-12-20/ColumnMetadata) 
+  [Amazon SDK for Ruby V3](https://docs.amazonaws.cn/goto/SdkForRubyV3/redshift-data-2019-12-20/ColumnMetadata)