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<!-- loio4c088d1f9bc04d95b7b7cb38012cb550 -->

# Additional Information About Remote Tables

You can add remote tables located in SAP BW bridge spaces to a transformation flow. Note that remote tables located in SAP BW bridge spaces must be shared with the SAP Datasphere space you are using to create your transformation flow.

> ### Note:
> If you add a remote table located in SAP BW bridge spaces, it is not possible to preview the data being output by the view.
If you add a remote table located in an SAP BW bridge space that is configured to load delta changes, the system adds the following input parameters to the *Properties* panel of the view transform:

- REQTSN\_LOW

When loading delta changes, the value of this input parameter is the watermark. When loading all active records, the value of this input parameter is the minimum timestamp. For more information, see [Watermarks](https://help.sap.com/viewer/9f36ca35bc6145e4acdef6b4d852d560/DEV_CURRENT/en-US/890897f00a4944c7a6f90d3816a8d4c6.html "") :arrow_upper_right:.

- REQTSN\_HIGH

The value of this input parameter is the maximum timestamp.

- EXTRACTION\_MODE

The value of this input parameter is DELTA\_AI to indicate the loading of delta changes from the remote table.


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<!-- copyab4db761b9c84ac3910648ec7cba1dc6 -->

# Additional Information About Remote Tables

You can add remote tables located in SAP BW bridge spaces to a transformation flow. Note that remote tables located in SAP BW bridge spaces must be shared with the SAP Datasphere space you are using to create your transformation flow.

> ### Note:
> If you add a remote table located in SAP BW bridge spaces, it is not possible to preview the data being output by the view.
If you add a remote table located in an SAP BW bridge space that is configured to load delta changes, the system adds the following input parameters to the *Properties* panel of the view transform:

- REQTSN\_LOW

When loading delta changes, the value of this input parameter is the watermark. When loading all active records, the value of this input parameter is the minimum timestamp. For more information, see [Watermarks](https://help.sap.com/viewer/9f36ca35bc6145e4acdef6b4d852d560/DEV_CURRENT/en-US/890897f00a4944c7a6f90d3816a8d4c6.html "") :arrow_upper_right:.

- REQTSN\_HIGH

The value of this input parameter is the maximum timestamp.

- EXTRACTION\_MODE

The value of this input parameter is DELTA\_AI to indicate the loading of delta changes from the remote table.


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Expand Up @@ -28,6 +28,9 @@ If you are not comfortable with SQL, you can still build a view by using the *Gr
> ### Note:
> SAP Datasphere supports a subset of the SQL functions supported by SAP HANA Cloud. For more information, see [SQL Functions Reference](../sql-functions-reference-6d624a1.md).
> ### Note:
> If you use an SQL view transform to load delta changes from a remote table located in an SAP BW bridge space, the language must be *SQL \(Standard Query\)*. *SQLScript \(Table Function\)* is not supported.
4. Enter your code in the *SQL View Editor*. You can:

- Access auto-complete suggestions for keywords and object names including source tables by typing.
Expand All @@ -37,6 +40,9 @@ If you are not comfortable with SQL, you can still build a view by using the *Gr
> ### Note:
> If the delta capture setting is enabled for a source table, the columns *Change Date* and *Change Type* are automatically mapped to these columns in the target table. Mapping these columns \(or a calculated column that contains the content of these columns\) to any other target column is not permitted. For more information, see [Capturing Delta Changes in Your Local Table](capturing-delta-changes-in-your-local-table-154bdff.md).
> ### Note:
> The *Change Type* column does not support null values. Ensure that no null values are written to the *Change Type* column of the target table.
- Add comments to document your code:

- Comment out a single line or the rest of a line with a double dash: `-- Your comment here`.
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# Creating a Local Table

Create a table to contain data by defining its column structure. Tables created in SAP Datasphere can be filled with data from a CSV file or via a data flow. You can also import tables from a connection or a CSN file.
Create a table and define columns to receive data from a flow or a CSV file. You can also import tables from a connection or a CSN file.



Expand All @@ -15,9 +15,9 @@ Create a table to contain data by defining its column structure. Tables created
This procedure explains how to create an empty table by defining its columns. You can, alternatively:

- Create a table by importing a CSV file \(see [Creating a Local Table from a CSV File](creating-a-local-table-from-a-csv-file-8bba251.md)\).
- Create a table as the output of a data flow \(see [Add or Create a Target Table](add-or-create-a-target-table-0fa7805.md)\).
- Create a table as the output of a flow \(see [Add or Create a Target Table](add-or-create-a-target-table-0fa7805.md)\).
- Import a table from:
- A connection via the *Sources* tab of the *Source Browser* in any of the data builder editors \(see [Import an Object from a Connection or Other Source](../import-an-object-from-a-connection-or-other-source-3e6f8f2.md)\).
- A connection or other source in the *Sources* tab of the *Source Browser* in any of the data builder editors \(see [Import an Object from a Connection or Other Source](../import-an-object-from-a-connection-or-other-source-3e6f8f2.md)\).
- A CSN file via the *Import* menu in the data builder start page or an ER model \(see [Importing Objects from a CSN/JSON File](../Creating-Finding-Sharing-Objects/importing-objects-from-a-csn-json-file-23599e6.md)\).


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# Creating a Replication Flow

Create a replication flow if you want to copy multiple data assets from the same source to the same target in a fast and easy way and do not require complex projections.
Create a replication flow to copy multiple data assets from a source to a target.



Expand Down Expand Up @@ -178,7 +178,7 @@ For more information about available connection types, sources, and targets, see
</td>
<td valign="top">

\[only relevant for local tables\] Keep track of changes in your data source.
\[only relevant for local tables\] Select this option if you want the system to keep track of changes in your data source.

For more information, see [Capturing Delta Changes in Your Local Table](capturing-delta-changes-in-your-local-table-154bdff.md).

Expand All @@ -192,7 +192,7 @@ For more information about available connection types, sources, and targets, see
</td>
<td valign="top">

Specify how you want to load the data \(initial only or initial and delta\).
Select how you want to load the data \(initial only or initial and delta\).

For more information, see [Configure Your Replication Flow](configure-your-replication-flow-3f5ba0c.md).

Expand All @@ -206,7 +206,7 @@ For more information about available connection types, sources, and targets, see
</td>
<td valign="top">

Decide whether you want to delete any existing content in the target.
Enable this option want to delete any existing content in the target.

For more information, see [Configure Your Replication Flow](configure-your-replication-flow-3f5ba0c.md).

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# Creating a Transformation Flow

Create a transformation flow to load data from one or more source tables, apply transformations \(such as a join\), and output the result in a target table. You can load a full set of data from one or more source tables to a target table. You can also load delta changes \(including deleted records\) from one source table to a target table.
Create a transformation flow to load data from one or more source tables, apply transformations \(such as a join\), and output the result in a target table. You can load a full set of data from one or more source tables to a target table. You can add local tables and also remote tables located in BW Bridge spaces. Note that remote tables located in SAP BW bridge spaces must be shared with the SAP Datasphere space you are using to create your transformation flow. You can also load delta changes \(including deleted records\) from one source table to a target table.



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Import tables and views from a connection, Open SQL schema, HDI container or other source available in your space.

SAP Datasphere provides various methods for importing tables into your space:
SAP Datasphere provides various methods for importing data into your space:

- Data Builder start page - Use the import wizards to:
- *Repository Explorer* / *Data Builder* start page - Use the import wizards to:
- Import semantically-rich objects \(along with the objects they depend on\) from SAP S/4HANA, SAP BW∕4HANA, and SAP Datasphere, SAP BW Bridge connections \(see [Importing Entities with Semantics from SAP S/4HANA](importing-entities-with-semantics-from-sap-s-4hana-845fedb.md)\).
- Import remote tables from any connection \(see [Import Remote Tables](import-remote-tables-fd04efb.md)\).
- Import objects from SAP Datasphere, SAP BW Bridge \(see [Importing Entities with Semantics from SAP BW∕4HANA or SAP BW Bridge](importing-entities-with-semantics-from-sap-bw-4hana-or-sap-bw-br-7bcd321.md)\).
- Import a table, view, or other object \(including, potentially, *Business Builder* objects\), along with all the objects it depends on from an SAP S/4HANA connection \(see [Importing Entities with Semantics from SAP S/4HANA](importing-entities-with-semantics-from-sap-s-4hana-845fedb.md)\).

- E/R Model - Import tables into the space and add them to the E/R model diagram \(see [Import an Object from a Connection or Other Source](../import-an-object-from-a-connection-or-other-source-3e6f8f2.md) or [Import Multiple Objects from a Connection](../import-multiple-objects-from-a-connection-e720b13.md)\).
- Graphical or SQL view - Import tables into the space and use them directly as sources in the view \(see [Add a Source](../add-a-source-1eee180.md)\).
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Expand Up @@ -22,16 +22,14 @@ By default, when you import a remote table, its data is not replicated and must

- *Start Data Replication*

:

Directly start a copy of the full set of data from the source in the background.

> ### Note:
> If you start data replication on a remote table whose data access is Replicated \(Real-time\), you’ll remove the real-time replication for this table. Your data will no longer be updated in real-time and you’ll have to start a new data replication or create a schedule to get your data updated.
For more information, see [Replicate Full Set of Data](https://help.sap.com/viewer/9f36ca35bc6145e4acdef6b4d852d560/DEV_CURRENT/en-US/35632cd706474d9796fa5da56ba15c6b.html "Start a data replication to copy the full set of data from your source object (usually a database table or view) into SAP Datasphere.") :arrow_upper_right:.

- *Remove Replicated Data*:
- *Remove Replicated Data*

Stop replication and delete data from replica table.

Expand All @@ -45,8 +43,6 @@ By default, when you import a remote table, its data is not replicated and must
- *Enable Real-Time Data Replication*

:

Start replication of data changes in the source in real-time.

> ### Note:
Expand All @@ -56,7 +52,7 @@ By default, when you import a remote table, its data is not replicated and must


- Click *Schedule Replication* to:
- *Create Schedule*:
- *Create Schedule*

Create a schedule to start a data replication in the background according to the settings defined in the schedule.

Expand All @@ -65,18 +61,18 @@ By default, when you import a remote table, its data is not replicated and must
For more information, see [Scheduling Data Integration Tasks](https://help.sap.com/viewer/9f36ca35bc6145e4acdef6b4d852d560/DEV_CURRENT/en-US/7fa07621d9c0452a978cb2cc8e4cd2b1.html "Schedule data integration tasks to run periodically at a specified date or time.") :arrow_upper_right:.

- *Edit Schedule*:
- *Edit Schedule*

Change how the schedule is specified, or change the owner of the schedule.

For more information, see [Take Over the Ownership of a Schedule](https://help.sap.com/viewer/9f36ca35bc6145e4acdef6b4d852d560/DEV_CURRENT/en-US/4b660c0395454bd0923f732eef4ee4b2.html "Per default, the user who creates a task schedule owns the schedule which means that the job scheduling component runs the task on the owner's behalf according to the defined schedule. You can assign the ownership of the schedule to yourself.") :arrow_upper_right:.

- *Delete Schedule*:
- *Delete Schedule*

Delete the schedule if required.



3. \[optional\] You may need to click the *Refresh* tool to refresh the properties in the *Remote* section see [Process Source Changes in the Table Editor](process-source-changes-in-the-table-editor-622328b.md)\). You can, at any time, click <span class="SAP-icons-V5"></span> \(Open Monitor\) and, either navigate to the *Remote Table Monitor* to review details of recent replication runs \(see [Replicating Data and Monitoring Remote Tables](https://help.sap.com/viewer/9f36ca35bc6145e4acdef6b4d852d560/DEV_CURRENT/en-US/4dd95d7bff1f48b399c8b55dbdd34b9e.html "In the Remote Tables monitor, you can find a remote table monitor per space. Here, you can copy data from remote tables that have been deployed in your space into SAP Datasphere, and you can monitor the replication of the data. You can copy or schedule copying the full set of data from the source, or you can set up replication of data changes in real-time via change data capturing (CDC).") :arrow_upper_right:\), or navigate to *Remote Table Statistics* to create or review existing statistics for the remote table \(see [Creating Statistics for Your Remote Tables](https://help.sap.com/viewer/9f36ca35bc6145e4acdef6b4d852d560/DEV_CURRENT/en-US/e4120bbb98e44994aa1e0b32ff3f209d.html "Create statistics for your remote tables to improve federated query execution.") :arrow_upper_right:\).
3. \[optional\] You may need to click the *Refresh* tool to refresh the properties in the *Remote* section see [Process Source Changes in the Table Editor](process-source-changes-in-the-table-editor-622328b.md)\). You can, at any time, click <span class="SAP-icons-V5"></span> \(Open Monitor\) and, either navigate to the *Remote Tables* monitor to review details of recent replication runs \(see [Replicating Data and Monitoring Remote Tables](https://help.sap.com/viewer/9f36ca35bc6145e4acdef6b4d852d560/DEV_CURRENT/en-US/4dd95d7bff1f48b399c8b55dbdd34b9e.html "In the Remote Tables monitor, you can find a remote table monitor per space. Here, you can copy data from remote tables that have been deployed in your space into SAP Datasphere, and you can monitor the replication of the data. You can copy or schedule copying the full set of data from the source, or you can set up replication of data changes in real-time via change data capturing (CDC).") :arrow_upper_right:\), or navigate to *Remote Table Statistics* to create or review existing statistics for the remote table \(see [Creating Statistics for Your Remote Tables](https://help.sap.com/viewer/9f36ca35bc6145e4acdef6b4d852d560/DEV_CURRENT/en-US/e4120bbb98e44994aa1e0b32ff3f209d.html "Create statistics for your remote tables to improve federated query execution.") :arrow_upper_right:\).


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