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Ru, Li Yi
4b09a03a51
Reviewed-by: Wagner, Fabian <fabian.wagner@t-systems.com> Co-authored-by: Ru, Li Yi <liyiru7@huawei.com> Co-committed-by: Ru, Li Yi <liyiru7@huawei.com>
15 lines
2.1 KiB
HTML
15 lines
2.1 KiB
HTML
<a name="ddm_01_0005"></a><a name="ddm_01_0005"></a>
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<h1 class="topictitle1">Data Nodes</h1>
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<div id="body1557802079201"><p id="ddm_01_0005__p152641349542">Constraints on data nodes are as follows:</p>
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<ul id="ddm_01_0005__ul1933712244543"><li id="ddm_01_0005__li1933752410545">Data nodes can be only RDS for MySQL and GaussDB(for MySQL) instances of versions 5.7 and 8.0.</li><li id="ddm_01_0005__li10357122719543">DDM cannot connect to MySQL instances using SSL connections.</li><li id="ddm_01_0005__li1583123514472">Case sensitivity support cannot be enabled for MySQL instances.<div class="note" id="ddm_01_0005__note47091511212"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><ul id="ddm_01_0005__ul10709195192110"><li id="ddm_01_0005__li870911518218">If you are using MySQL 5.7, select <strong id="ddm_01_0005__b2908125914593">Case insensitive</strong> for <strong id="ddm_01_0005__b184271429014">Table Name</strong> when you create a MySQL instance, or set <strong id="ddm_01_0005__b637173713584">lower_case_table_names</strong> to <strong id="ddm_01_0005__b183818379584">1</strong> on the <strong id="ddm_01_0005__b9381737205813">Parameters</strong> page after you complete the creation.</li><li id="ddm_01_0005__li67092051162118">If you are using MySQL 8.0, select <strong id="ddm_01_0005__b6339185218115">Case insensitive</strong> for <strong id="ddm_01_0005__b2344052101110">Table Name</strong> when you create a MySQL instance.</li></ul>
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</div></div>
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</li><li id="ddm_01_0005__li54898336411">Modifying configurations of a data node may result in an exception in using your DDM instance. After the modification, click <strong id="ddm_01_0005__b1066913961014">Synchronize Data Node Information</strong> on the <strong id="ddm_01_0005__b87132041172911">Data Nodes</strong> page to synchronize changes from the data node to DDM.</li><li id="ddm_01_0005__li209742027132412">DDM data nodes do not support GBK character sets.</li></ul>
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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="ddm_01_0003.html">Usage Constraints</a></div>
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</div>
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</div>
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