forked from docs/doc-exports
Reviewed-by: Pruthi, Vineet <vineet.pruthi@t-systems.com> Co-authored-by: Su, Xiaomeng <suxiaomeng1@huawei.com> Co-committed-by: Su, Xiaomeng <suxiaomeng1@huawei.com>
42 lines
3.8 KiB
HTML
42 lines
3.8 KiB
HTML
<a name="dli_08_15037"></a><a name="dli_08_15037"></a>
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<h1 class="topictitle1">Overview</h1>
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<div id="body0000001774086817"><p id="dli_08_15037__p186479386150">GaussDB(DWS) is an online data processing database based on the cloud infrastructure and platform and helps you mine and analyze massive sets of data. DLI reads data of Flink jobs from GaussDB(DWS). GaussDB(DWS) database kernel is compliant with PostgreSQL. The PostgreSQL database can store data of more complex types and delivers space information services, multi-version concurrent control (MVCC), and high concurrency. It applies to location applications, financial insurance, and e-commerce.</p>
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<p id="dli_08_15037__p113419391416"></p>
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<div class="p" id="dli_08_15037__p726200183314">DLI Flink 1.15 now offers two GaussDB(DWS) connector options for accessing GaussDB data:<ul id="dli_08_15037__ul12876202812330"><li id="dli_08_15037__li10420133124611"><strong id="dli_08_15037__b12349141191">GaussDB(DWS)'s self-developed GaussDB(DWS) connector (recommended)</strong>: This option focuses on the performance of and direct interaction with GaussDB(DWS), allowing users to easily and flexibly read and write data.<p id="dli_08_15037__p566110411382">You can use GaussDB(DWS)'s self-developed GaussDB(DWS) connector by creating UDFs. For details about how to create a UDF, see <a href="dli_08_15082.html">UDFs</a>.</p>
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</li><li id="dli_08_15037__li1701050873"><strong id="dli_08_15037__b497481891110">DLI's GaussDB(DWS) connector (discarded and not recommended)</strong>: This option allows users to customize sink and source functions to meet specific data read and write needs.<div class="p" id="dli_08_15037__p93100820495">For how to use DLI's GaussDB(DWS) connector, see <a href="#dli_08_15037__table3954102713514">Table 1</a>.
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<div class="tablenoborder"><a name="dli_08_15037__table3954102713514"></a><a name="table3954102713514"></a><table cellpadding="4" cellspacing="0" summary="" id="dli_08_15037__table3954102713514" frame="border" border="1" rules="all"><caption><b>Table 1 </b>Supported GaussDB(DWS) connector types</caption><thead align="left"><tr id="dli_08_15037__row139551727153515"><th align="left" class="cellrowborder" valign="top" width="50%" id="mcps1.3.3.1.2.2.2.2.3.1.1"><p id="dli_08_15037__p169550272355">Type</p>
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</th>
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<th align="left" class="cellrowborder" valign="top" width="50%" id="mcps1.3.3.1.2.2.2.2.3.1.2"><p id="dli_08_15037__p9955172713520">Instruction</p>
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</th>
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</tr>
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</thead>
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<tbody><tr id="dli_08_15037__row595518271358"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.3.1.2.2.2.2.3.1.1 "><p id="dli_08_15037__p4955182716353">Source table</p>
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</td>
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<td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.3.1.2.2.2.2.3.1.2 "><p id="dli_08_15037__p183753944814"><a href="dli_08_15104.html">GaussDB(DWS) Source Table (Not Recommended)</a></p>
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</td>
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</tr>
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<tr id="dli_08_15037__row145626144820"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.3.1.2.2.2.2.3.1.1 "><p id="dli_08_15037__p166172654811">Result table</p>
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</td>
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<td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.3.1.2.2.2.2.3.1.2 "><p id="dli_08_15037__p13378391487"><a href="dli_08_15105.html">GaussDB(DWS) Result Table (Not Recommended)</a></p>
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</td>
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</tr>
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<tr id="dli_08_15037__row1620117287488"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.3.1.2.2.2.2.3.1.1 "><p id="dli_08_15037__p2201628124811">Dimension table</p>
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</td>
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<td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.3.1.2.2.2.2.3.1.2 "><p id="dli_08_15037__p1421183920489"><a href="dli_08_15106.html">GaussDB(DWS) Dimension Table (Not Recommended)</a></p>
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</td>
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</tr>
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</tbody>
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</table>
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</div>
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</div>
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</li></ul>
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</div>
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</div>
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<div>
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<div class="familylinks">
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<div class="parentlink"><strong>Parent topic:</strong> <a href="dli_08_15103.html">GaussDB(DWS)</a></div>
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</div>
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</div>
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