After you have registered a data source via Edge, the following information is added to the Table and Column assets.
| Column attribute | Description | From JDBC property (if provided by driver) |
|---|---|---|
| Column Name | The column name in the registered table. | COLUMN_NAME |
| Technical Data Type | The data type of the column in the data source. This value can differ from the Data Type value. | TYPE_NAME |
| Description from Source | The description of the column in the registered table. | REMARKS |
| Char octet Length | Maximum number of bytes in a character type's column. | CHAR_OCTET_LENGTH |
| Column Position | The index of the column in the source table. | ORDINAL_POSITION |
| Is Auto Incremented | Indication whether the data in the column is auto-incremented or not. | IS_AUTOINCREMENT |
| Is Generated | Indication whether the data in the column is generated or not. | IS_GENERATEDCOLUMN |
| Is Nullable | Indication whether the column can store NULL values or not. | IS_NULLABLE |
| Is Primary Key | Indication whether the column is a primary key or not. | True if the primary keys resultSet contains the COLUMN_NAME |
| Number Of Fractional Digits | The number of decimal digits. | DECIMAL_DIGITS |
| Primary Key Name | The name of the primary key composed by the column. | PK_NAME |
| Size | The size of the column in the table. |
COLUMN_SIZE |
| Table attribute | Description | From JDBC property |
|---|---|---|
| Table Name | The table name in the data source. | TABLE_NAME |
| Table Type | The table type in the data source, such as TABLE or VIEW. | TABLE_TYPE |
| Description from Source | The description of the table in the data source. | REMARKS |
If you registered the source tags, the tags defined on the assets in the data source are registered and available from the Schema, Table, Database View, and Column assets in the Source Tags attribute.
Note Currently, you can synchronize source tags only from Snowflake.
For information on profiling, go to Data profiling information.
For information on how foreign keys are handled, go to Foreign key ingestion.