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chenxiaoxiong f9e2808b7c DataArts UMN 20250810 version 
Reviewed-by: Pruthi, Vineet <vineet.pruthi@t-systems.com>
Co-authored-by: chenxiaoxiong <chenxiaoxiong@huawei.com>
Co-committed-by: chenxiaoxiong <chenxiaoxiong@huawei.com>
2025-09-02 10:44:13 +00:00

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<a name="dataartsstudio_01_1299"></a><a name="dataartsstudio_01_1299"></a>
<h1 class="topictitle1">Creating a <span id="text1644205915109">DataArts Studio</span> Data Connection</h1>
<div id="body0000001503129708"><p id="dataartsstudio_01_1299__p5612195184215">You can create data connections by configuring data sources. Based on the data connections of the Management Center, <span id="dataartsstudio_01_1299__text861275144212">DataArts Studio</span> performs data development, governance, services, and operations on the data lake base.</p>
<p id="dataartsstudio_01_1299__p8060118">After the data connection between the development environment and production environment is configured, the data connection in the development environment in the script or job during data development is automatically switched to the data connection in the production environment after the process is released.</p>
<div class="section" id="dataartsstudio_01_1299__section12257714302"><h4 class="sectiontitle">Constraints</h4><ul id="dataartsstudio_01_1299__ul1317413539465"><li id="dataartsstudio_01_1299__li1717475364612">RDS data connections depend on OBS. If OBS is unavailable in the same region as <span id="dataartsstudio_01_1299__text10400112515315">DataArts Studio</span>, RDS data connections are not supported.</li><li id="dataartsstudio_01_1299__li133301213201313">For host connections, only Linux hosts are supported.</li><li id="dataartsstudio_01_1299__li042995411469">If changes occur in the connected data lake (for example, the MRS cluster capacity is expanded), you need to edit and save the connection.</li><li id="dataartsstudio_01_1299__li894017918101">If the data lake authentication information in a data connection changes (for example, the password expires), the data connection becomes invalid. Ensure that the data lake authentication information is permanently valid to prevent any loss caused by connection failures.</li><li id="dataartsstudio_01_1299__li5533824413"><p id="dataartsstudio_01_1299__p78591931118"><a name="dataartsstudio_01_1299__li5533824413"></a><a name="li5533824413"></a><span id="dataartsstudio_01_1299__en-us_topic_0182566327_text7355181825814">DataArts Studio</span> does not support MRS clusters whose Kerberos encryption type is <strong id="dataartsstudio_01_1299__en-us_topic_0182566327_b143479402717">aes256-sha2,aes128-sha2</strong>, and only supports MRS clusters whose Kerberos encryption type is <strong id="dataartsstudio_01_1299__en-us_topic_0182566327_b19532103219813">aes256-sha1,aes128-sha1</strong>.</p>
</li><li id="dataartsstudio_01_1299__li175096166512"><p id="dataartsstudio_01_1299__p218617434111"><a name="dataartsstudio_01_1299__li175096166512"></a><a name="li175096166512"></a>If a CDM cluster functions as the agent for a data connection in Management Center, the cluster supports a maximum of 200 concurrent active threads. If multiple data connections share an agent, a maximum of 200 SQL, Shell, and Python scripts submitted through the connections can run concurrently. Excess tasks will be queued. You are advised to plan multiple agents based on the workload.</p>
</li></ul>
</div>
<div class="section" id="dataartsstudio_01_1299__en-us_topic_0141836082_section123410126716"><h4 class="sectiontitle">Prerequisites</h4><ul id="dataartsstudio_01_1299__en-us_topic_0141836082_ul1460014457815"><li id="dataartsstudio_01_1299__en-us_topic_0141836082_li26009457811">You have created a data lake to connect, for example, a database or cloud service supported by <span id="dataartsstudio_01_1299__text9577191353117">DataArts Studio</span>.<ul id="dataartsstudio_01_1299__ul84381236192412"><li id="dataartsstudio_01_1299__li17495193442410">Before creating a DWS data connection, ensure that you have created a cluster in DWS and have the permissions required to view Key Management Service (KMS) keys.</li><li id="dataartsstudio_01_1299__li2496193462420">Before creating an MRS connection such as an MRS HBase or MRS Hive connection, ensure that you have created an MRS cluster whose Kerberos encryption type is <strong id="dataartsstudio_01_1299__b650474301412">aes256-sha1,aes128-sha1</strong>, and that the cluster contains required components.</li></ul>
</li><li id="dataartsstudio_01_1299__li14253123171211">You have obtained the required agent (CDM cluster). If no CDM cluster is available, create one by referring to <a href="dataartsstudio_01_0576.html">Creating a CDM Cluster</a>. The CDM cluster can communicate with the data lake to be connected.<ul id="dataartsstudio_01_1299__ul202857182111"><li id="dataartsstudio_01_1299__li652416167413">If the data lake is an on-premises database, you need the Internet or Direct Connect. Ensure that the host where the data source is located and the CDM cluster can access the Internet, and the connection port has been enabled in the firewall rule.</li><li id="dataartsstudio_01_1299__li1028575215">If the data lake is a cloud service (such as DWS and MRS), the following requirements must be met for network interconnection:<ul id="dataartsstudio_01_1299__ul2213578215"><li id="dataartsstudio_01_1299__li125579211">If the CDM cluster and the cloud service are in different regions, a public network or a dedicated connection is required for enabling communication between the CDM cluster and the cloud service.</li><li id="dataartsstudio_01_1299__li22165792120">If the CDM cluster and the cloud service are in the same region, VPC, subnet, and security group, they can communicate with each other by default. If they are in the same VPC but in different subnets or security groups, you must configure routing rules and security group rules. For details about how to configure routing rules, see "Adding Routes to a Route Table" in <em id="dataartsstudio_01_1299__i34445102207">Virtual Private Cloud (VPC) x.x.x User Guide</em> in <em id="dataartsstudio_01_1299__i544413106209">Virtual Private Cloud (VPC) x.x.x Usage Guide</em>. For details about how to configure security group rules, see "Security Group" &gt; "Adding a Security Group Rule" in Virtual Private Cloud (VPC) x.x.x User Guide in Virtual Private Cloud (VPC) x.x.x Usage Guide.</li><li id="dataartsstudio_01_1299__li428573219">The cloud service instance and the <span id="dataartsstudio_01_1299__text92057152114">DataArts Studio</span> workspace belong to the same enterprise project. If they do not, you can modify the enterprise project of the workspace.</li></ul>
</li></ul>
</li><li id="dataartsstudio_01_1299__li1563720298461">If the enterprise mode is used, pay attention to the following points:<div class="p" id="dataartsstudio_01_1299__p88041040125018"><a name="dataartsstudio_01_1299__li1563720298461"></a><a name="li1563720298461"></a>In enterprise mode, the development environment and production environment need to be distinguished. Therefore, you need to prepare two sets of data lake services for the production environment and development environment to isolate the development environment from the production environment.<ul id="dataartsstudio_01_1299__en-us_topic_0000001232744655_ul1339145017597"><li id="dataartsstudio_01_1299__en-us_topic_0000001232744655_li23975014590"><strong id="dataartsstudio_01_1299__b1533444714712">If two clusters are used</strong> for clustered data sources, such as MRS, GaussDB(DWS), RDS, MySQL, Oracle, and ECS, you can create data connections in Management Center to distinguish data lake services in the development environment from those in the production environment. The data lake is automatically switched during development and production. Therefore, you need to prepare two sets of data lake services. The versions, specifications, components, regions, VPCs, subnets, and related configurations of the two sets of data lake services must be the same. For details on how to create data connections, see <a href="dataartsstudio_01_1299.html">Creating a DataArts Studio Data Connection</a>.</li><li id="dataartsstudio_01_1299__en-us_topic_0000001232744655_li14738135115916">For serverless services (such as DLI), <span id="dataartsstudio_01_1299__text8245132816599">DataArts Studio</span> configures the mapping between data lake services in the production environment and development environment through environment isolation in the management center. The corresponding data lake is automatically switched during the development and production processes. Therefore, you need to prepare two sets of queues and database resources in the serverless data lake service and distinguish them by name suffix. For details, see <a href="dataartsstudio_01_5105.html">Configuring Environment Isolation for a DataArts Studio Workspace in Enterprise Mode</a>.</li><li id="dataartsstudio_01_1299__li104986432523">For GaussDB(DWS), MRS Hive, and MRS Spark, if you <strong id="dataartsstudio_01_1299__b82121932125317">select the same cluster</strong> when creating a data connection, you must configure database mapping on the <strong id="dataartsstudio_01_1299__b4212432175319">Configure Data Source Resource Mapping</strong> page to isolate the development and production environments. For details, see <a href="dataartsstudio_01_5105.html#dataartsstudio_01_5105__section20609134272018">DB configuration</a>.</li><li id="dataartsstudio_01_1299__li523995419157">Offline processing migration jobs are not supported in enterprise mode.</li></ul>
</div>
<p id="dataartsstudio_01_1299__p3637182924612">For example, if your data lake service is an MRS cluster, you need to prepare two MRS clusters with the same version, specifications, components, region, VPC, and subnet. If some configurations of an MRS cluster are modified, you also need to synchronize the modifications to the other MRS cluster.</p>
</li></ul>
</div>
<div class="section" id="dataartsstudio_01_1299__section191171947192415"><h4 class="sectiontitle">Creating a Data Connection</h4><ol id="dataartsstudio_01_1299__ol4275135651219"><li id="dataartsstudio_01_1299__li2848154165110"><span>Log in to the <span id="dataartsstudio_01_1299__en-us_topic_0000001987511677_en-us_topic_0000001127311125_text5574448155719">DataArts Studio</span> console by following the instructions in <a href="dataartsstudio_01_0001.html">Accessing the DataArts Studio Instance Console</a>.</span></li><li class="msonormal" id="dataartsstudio_01_1299__li62759565121"><span>On the <span id="dataartsstudio_01_1299__text82024413513">DataArts Studio</span> console, locate a workspace and click <strong id="dataartsstudio_01_1299__b820215416513">Management Center</strong>.</span></li><li id="dataartsstudio_01_1299__li42751056111218"><span>On the displayed <strong id="dataartsstudio_01_1299__b9193152317519">Manage Data Connections</strong> page, click <strong id="dataartsstudio_01_1299__b197049391260">Create Data Connection</strong>.</span><p><div class="fignone" id="dataartsstudio_01_1299__fig140165113214"><span class="figcap"><b>Figure 1 </b>Creating a data connection</span><br><span><img id="dataartsstudio_01_1299__image62781125125815" src="en-us_image_0000002269195981.png" title="Click to enlarge" class="imgResize"></span></div>
<p id="dataartsstudio_01_1299__p5740174641114"></p>
</p></li><li id="dataartsstudio_01_1299__li16275135611121"><span>On the displayed page, select a data connection type and configure the parameters listed in <a href="#dataartsstudio_01_1299__table11826143220444">Table 1</a>.</span><p><div class="note" id="dataartsstudio_01_1299__note276765944213"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><ul id="dataartsstudio_01_1299__ul157054185439"><li id="dataartsstudio_01_1299__en-us_topic_0000001503129708_en-us_topic_0000001232744655_li23975014590"><strong id="dataartsstudio_01_1299__en-us_topic_0000001503129708_b1533444714712">If two clusters are used</strong> for clustered data sources, such as MRS, GaussDB(DWS), RDS, MySQL, Oracle, and ECS, you can create data connections in Management Center to distinguish data lake services in the development environment from those in the production environment. The data lake is automatically switched during development and production. Therefore, you need to prepare two sets of data lake services. The versions, specifications, components, regions, VPCs, subnets, and related configurations of the two sets of data lake services must be the same. For details on how to create data connections, see <a href="dataartsstudio_01_1299.html">Creating a DataArts Studio Data Connection</a>.</li><li id="dataartsstudio_01_1299__en-us_topic_0000001503129708_en-us_topic_0000001232744655_li14738135115916">For serverless services (such as DLI), <span id="dataartsstudio_01_1299__en-us_topic_0000001503129708_text8245132816599">DataArts Studio</span> configures the mapping between data lake services in the production environment and development environment through environment isolation in the management center. The corresponding data lake is automatically switched during the development and production processes. Therefore, you need to prepare two sets of queues and database resources in the serverless data lake service and distinguish them by name suffix. For details, see <a href="dataartsstudio_01_5105.html">Configuring Environment Isolation for a DataArts Studio Workspace in Enterprise Mode</a>.</li><li id="dataartsstudio_01_1299__en-us_topic_0000001503129708_li104986432523">For GaussDB(DWS), MRS Hive, and MRS Spark, if you <strong id="dataartsstudio_01_1299__en-us_topic_0000001503129708_b82121932125317">select the same cluster</strong> when creating a data connection, you must configure database mapping on the <strong id="dataartsstudio_01_1299__en-us_topic_0000001503129708_b4212432175319">Configure Data Source Resource Mapping</strong> page to isolate the development and production environments. For details, see <a href="dataartsstudio_01_5105.html#dataartsstudio_01_5105__section20609134272018">DB configuration</a>.</li><li id="dataartsstudio_01_1299__en-us_topic_0000001503129708_li523995419157">Offline processing migration jobs are not supported in enterprise mode.</li></ul>
</div></div>
<div class="tablenoborder"><a name="dataartsstudio_01_1299__table11826143220444"></a><a name="table11826143220444"></a><table cellpadding="4" cellspacing="0" summary="" id="dataartsstudio_01_1299__table11826143220444" frame="border" border="1" rules="all"><caption><b>Table 1 </b>Data connection parameters</caption><thead align="left"><tr id="dataartsstudio_01_1299__row12823932134414"><th align="left" class="cellrowborder" valign="top" width="31.81%" id="mcps1.3.5.2.4.2.2.2.3.1.1"><p id="dataartsstudio_01_1299__p682243234413">Data Connection Type</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="68.19%" id="mcps1.3.5.2.4.2.2.2.3.1.2"><p id="dataartsstudio_01_1299__p19823153210442">Description</p>
</th>
</tr>
</thead>
<tbody><tr id="dataartsstudio_01_1299__row132509388356"><td class="cellrowborder" valign="top" width="31.81%" headers="mcps1.3.5.2.4.2.2.2.3.1.1 "><p id="dataartsstudio_01_1299__p7823203294418">GaussDB(DWS)</p>
</td>
<td class="cellrowborder" valign="top" width="68.19%" headers="mcps1.3.5.2.4.2.2.2.3.1.2 "><p id="dataartsstudio_01_1299__p8824123234415">See <a href="dataartsstudio_01_1300.html">DWS Connection Parameters</a>.</p>
</td>
</tr>
<tr id="dataartsstudio_01_1299__row1047717359351"><td class="cellrowborder" valign="top" width="31.81%" headers="mcps1.3.5.2.4.2.2.2.3.1.1 "><p id="dataartsstudio_01_1299__p108241232104410">DLI</p>
</td>
<td class="cellrowborder" valign="top" width="68.19%" headers="mcps1.3.5.2.4.2.2.2.3.1.2 "><p id="dataartsstudio_01_1299__p12824232134417">See <a href="dataartsstudio_01_1301.html">DLI Connection Parameters</a>.</p>
</td>
</tr>
<tr id="dataartsstudio_01_1299__row8823103274417"><td class="cellrowborder" valign="top" width="31.81%" headers="mcps1.3.5.2.4.2.2.2.3.1.1 "><p id="dataartsstudio_01_1299__p1823193215449">MRS Hive</p>
</td>
<td class="cellrowborder" valign="top" width="68.19%" headers="mcps1.3.5.2.4.2.2.2.3.1.2 "><p id="dataartsstudio_01_1299__p1782313329443">See <a href="dataartsstudio_01_1306.html">MRS Hive Connection Parameters</a>.</p>
</td>
</tr>
<tr id="dataartsstudio_01_1299__row7823532124419"><td class="cellrowborder" valign="top" width="31.81%" headers="mcps1.3.5.2.4.2.2.2.3.1.1 "><p id="dataartsstudio_01_1299__p178231132114411">MRS HBase</p>
</td>
<td class="cellrowborder" valign="top" width="68.19%" headers="mcps1.3.5.2.4.2.2.2.3.1.2 "><p id="dataartsstudio_01_1299__p128236329446">See <a href="dataartsstudio_01_1307.html">MRS HBase Connection Parameters</a>.</p>
</td>
</tr>
<tr id="dataartsstudio_01_1299__row19736184115532"><td class="cellrowborder" valign="top" width="31.81%" headers="mcps1.3.5.2.4.2.2.2.3.1.1 "><p id="dataartsstudio_01_1299__p373754115316">MRS Kafka</p>
</td>
<td class="cellrowborder" valign="top" width="68.19%" headers="mcps1.3.5.2.4.2.2.2.3.1.2 "><p id="dataartsstudio_01_1299__p12737041185310">See <a href="dataartsstudio_01_1308.html">MRS Kafka Connection Parameters</a>.</p>
</td>
</tr>
<tr id="dataartsstudio_01_1299__row8433164818192"><td class="cellrowborder" valign="top" width="31.81%" headers="mcps1.3.5.2.4.2.2.2.3.1.1 "><p id="dataartsstudio_01_1299__p882533294414">MRS Spark</p>
</td>
<td class="cellrowborder" valign="top" width="68.19%" headers="mcps1.3.5.2.4.2.2.2.3.1.2 "><p id="dataartsstudio_01_1299__p2082593210449">See <a href="dataartsstudio_01_1314.html">MRS Spark Connection Parameters</a>.</p>
</td>
</tr>
<tr id="dataartsstudio_01_1299__row1979083844814"><td class="cellrowborder" valign="top" width="31.81%" headers="mcps1.3.5.2.4.2.2.2.3.1.1 "><p id="dataartsstudio_01_1299__p13791153818482">MRS ClickHouse</p>
</td>
<td class="cellrowborder" valign="top" width="68.19%" headers="mcps1.3.5.2.4.2.2.2.3.1.2 "><p id="dataartsstudio_01_1299__p1779116381483">See <a href="dataartsstudio_01_1309.html">MRS ClickHouse Connection Parameters</a>.</p>
</td>
</tr>
<tr id="dataartsstudio_01_1299__row186531327161918"><td class="cellrowborder" valign="top" width="31.81%" headers="mcps1.3.5.2.4.2.2.2.3.1.1 "><p id="dataartsstudio_01_1299__p17855144615192">MRS Hetu</p>
</td>
<td class="cellrowborder" valign="top" width="68.19%" headers="mcps1.3.5.2.4.2.2.2.3.1.2 "><p id="dataartsstudio_01_1299__p485518469190">See <a href="dataartsstudio_01_1310.html">MRS Hetu Connection Parameters</a>.</p>
</td>
</tr>
<tr id="dataartsstudio_01_1299__row155163520353"><td class="cellrowborder" valign="top" width="31.81%" headers="mcps1.3.5.2.4.2.2.2.3.1.1 "><p id="dataartsstudio_01_1299__p1355193518358">MRS Impala</p>
</td>
<td class="cellrowborder" valign="top" width="68.19%" headers="mcps1.3.5.2.4.2.2.2.3.1.2 "><p id="dataartsstudio_01_1299__p14551535103513">See <a href="dataartsstudio_01_1311.html">MRS Impala Connection Parameters</a>.</p>
</td>
</tr>
<tr id="dataartsstudio_01_1299__row1122462372014"><td class="cellrowborder" valign="top" width="31.81%" headers="mcps1.3.5.2.4.2.2.2.3.1.1 "><p id="dataartsstudio_01_1299__p18927191863712">MRS Doris</p>
</td>
<td class="cellrowborder" valign="top" width="68.19%" headers="mcps1.3.5.2.4.2.2.2.3.1.2 "><p id="dataartsstudio_01_1299__p1758983363712">See <a href="dataartsstudio_01_1390.html">Doris Connection Parameters</a>.</p>
</td>
</tr>
<tr id="dataartsstudio_01_1299__row135982038132011"><td class="cellrowborder" valign="top" width="31.81%" headers="mcps1.3.5.2.4.2.2.2.3.1.1 "><p id="dataartsstudio_01_1299__p135981838162011">OpenSource ClickHouse</p>
</td>
<td class="cellrowborder" valign="top" width="68.19%" headers="mcps1.3.5.2.4.2.2.2.3.1.2 "><p id="dataartsstudio_01_1299__p12598123813206">See <a href="dataartsstudio_01_1321.html">OpenSource ClickHouse Connection Parameters</a>.</p>
</td>
</tr>
<tr id="dataartsstudio_01_1299__row1274371262115"><td class="cellrowborder" valign="top" width="31.81%" headers="mcps1.3.5.2.4.2.2.2.3.1.1 "><p id="dataartsstudio_01_1299__p482503244410">RDS</p>
</td>
<td class="cellrowborder" valign="top" width="68.19%" headers="mcps1.3.5.2.4.2.2.2.3.1.2 "><p id="dataartsstudio_01_1299__p1087918381452">See <a href="dataartsstudio_01_1303.html">RDS Connection Parameters</a>.</p>
<p id="dataartsstudio_01_1299__p17825732114414">The RDS connection can connect to relational databases such as RDS for MySQL, PostgreSQL, DM, SQL Server, and SAP HANA.</p>
</td>
</tr>
<tr id="dataartsstudio_01_1299__row1549813156216"><td class="cellrowborder" valign="top" width="31.81%" headers="mcps1.3.5.2.4.2.2.2.3.1.1 "><p id="dataartsstudio_01_1299__p103531251538">MySQL (pending offline)</p>
</td>
<td class="cellrowborder" valign="top" width="68.19%" headers="mcps1.3.5.2.4.2.2.2.3.1.2 "><p id="dataartsstudio_01_1299__p654184204019">You are not advised to select this connection type. Instead, You are advised to select <strong id="dataartsstudio_01_1299__b1438615011546">RDS</strong>. For details, see <a href="dataartsstudio_01_1303.html">RDS Connection Parameters</a>.</p>
</td>
</tr>
<tr id="dataartsstudio_01_1299__row720681742110"><td class="cellrowborder" valign="top" width="31.81%" headers="mcps1.3.5.2.4.2.2.2.3.1.1 "><p id="dataartsstudio_01_1299__p1351181162218">Oracle</p>
</td>
<td class="cellrowborder" valign="top" width="68.19%" headers="mcps1.3.5.2.4.2.2.2.3.1.2 "><p id="dataartsstudio_01_1299__p15251122214">See <a href="dataartsstudio_01_1302.html">Oracle Connection Parameters</a>.</p>
</td>
</tr>
<tr id="dataartsstudio_01_1299__row1329792214"><td class="cellrowborder" valign="top" width="31.81%" headers="mcps1.3.5.2.4.2.2.2.3.1.1 "><p id="dataartsstudio_01_1299__p356492817119">Host Connection</p>
</td>
<td class="cellrowborder" valign="top" width="68.19%" headers="mcps1.3.5.2.4.2.2.2.3.1.2 "><p id="dataartsstudio_01_1299__p115647282016">See <a href="dataartsstudio_01_1305.html">Host Connection Parameters</a>.</p>
</td>
</tr>
<tr id="dataartsstudio_01_1299__row352310619278"><td class="cellrowborder" valign="top" width="31.81%" headers="mcps1.3.5.2.4.2.2.2.3.1.1 "><p id="dataartsstudio_01_1299__p165231613272">Rest Client</p>
</td>
<td class="cellrowborder" valign="top" width="68.19%" headers="mcps1.3.5.2.4.2.2.2.3.1.2 "><p id="dataartsstudio_01_1299__p16136172052711">See <a href="dataartsstudio_01_1620.html">Rest Client Connection Parameters</a>.</p>
</td>
</tr>
<tr id="dataartsstudio_01_1299__row2466293273"><td class="cellrowborder" valign="top" width="31.81%" headers="mcps1.3.5.2.4.2.2.2.3.1.1 "><p id="dataartsstudio_01_1299__p94661292271">Redis</p>
</td>
<td class="cellrowborder" valign="top" width="68.19%" headers="mcps1.3.5.2.4.2.2.2.3.1.2 "><p id="dataartsstudio_01_1299__p720082442711">See <a href="dataartsstudio_01_1509.html">Redis Connection Parameters</a>.</p>
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<tr id="dataartsstudio_01_1299__row1798479142712"><td class="cellrowborder" valign="top" width="31.81%" headers="mcps1.3.5.2.4.2.2.2.3.1.1 "><p id="dataartsstudio_01_1299__p8985129162717">SAP HANA</p>
</td>
<td class="cellrowborder" valign="top" width="68.19%" headers="mcps1.3.5.2.4.2.2.2.3.1.2 "><p id="dataartsstudio_01_1299__p11872162482713">See <a href="dataartsstudio_01_1510.html">SAP HANA Connection Parameters</a>.</p>
</td>
</tr>
</tbody>
</table>
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</p></li><li id="dataartsstudio_01_1299__li327535601219"><span>Click <strong id="dataartsstudio_01_1299__b3142739155146">Test</strong> to test connectivity of the data connection. If the test fails, the data connection cannot be created.</span></li><li id="dataartsstudio_01_1299__li227505671210"><span>After the test is successful, click <strong id="dataartsstudio_01_1299__b1671516102095">Save</strong>. The system will create the data connection for you.</span></li></ol>
</div>
<div class="section" id="dataartsstudio_01_1299__en-us_topic_0000001629752664_section11218546133410"><h4 class="sectiontitle">Related Operations</h4><ul id="dataartsstudio_01_1299__en-us_topic_0000001629752664_ul4546171163518"><li id="dataartsstudio_01_1299__en-us_topic_0000001629752664_li85469173513">Edit a data connection: In the data connection list, locate a connection and click <strong id="dataartsstudio_01_1299__b1782431010106">Edit</strong> in the <strong id="dataartsstudio_01_1299__b9766162961016">Operation</strong> column. On the displayed page, modify the parameters listed in <a href="#dataartsstudio_01_1299__table11826143220444">Table 1</a> as needed.<div class="note" id="dataartsstudio_01_1299__note136671636746"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><p id="dataartsstudio_01_1299__p86671361346">If you do not want to change the password, you do not need to set it. The system automatically uses the password set when the connection was created.</p>
</div></div>
<p id="dataartsstudio_01_1299__p3588115150">Click <strong id="dataartsstudio_01_1299__b13491319112317">Test</strong> to check whether the data connection is normal. If the connection is normal, click <strong id="dataartsstudio_01_1299__b9501719112310">Save</strong>. If the connection is abnormal, the data connection cannot be created. Modify the connection parameters as prompted and try again.</p>
</li><li id="dataartsstudio_01_1299__li1918511418522">Delete a data connection: In the data connection list, locate a connection and click <strong id="dataartsstudio_01_1299__b4264105141916">Delete</strong> in the <strong id="dataartsstudio_01_1299__b32645515195">Operation</strong> column. In the displayed dialog box, confirm the data connection information, and click <strong id="dataartsstudio_01_1299__b818072011228">OK</strong>.<div class="p" id="dataartsstudio_01_1299__p4314135016517">If the connection to be deleted is being used, it cannot be deleted directly. In this case, you need to stop the connection from being used on the console of each component and try again.<div class="note" id="dataartsstudio_01_1299__note1465204517511"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><p id="dataartsstudio_01_1299__p144661045258">If a data connection is deleted, the data table information of the data connection will also be deleted. Exercise caution when performing this operation.</p>
</div></div>
</div>
</li></ul>
</div>
</div>
<div>
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<div class="parentlink"><strong>Parent topic:</strong> <a href="dataartsstudio_01_0008.html">Management Center</a></div>
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