62 lines
1.8 KiB
Markdown
62 lines
1.8 KiB
Markdown
---
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{
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"title": "CREATE CLUSTER",
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"language": "en"
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}
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---
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<!--
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Licensed to the Apache Software Foundation (ASF) under one
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or more contributor license agreements. See the NOTICE file
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distributed with this work for additional information
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regarding copyright ownership. The ASF licenses this file
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to you under the Apache License, Version 2.0 (the
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"License"); you may not use this file except in compliance
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with the License. You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing,
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software distributed under the License is distributed on an
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"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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KIND, either express or implied. See the License for the
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specific language governing permissions and limitations
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under the License.
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-->
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# CREATE CLUSTER
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## Description
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This statement is used to create a new logical cluster, requiring administrator privileges. If you don't use multiple tenants, create a cluster named default_cluster directly. Otherwise, create a cluster with a custom name.
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grammar
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CREATE CLUSTER [IF NOT EXISTS] cluster_name
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PROPERTIES ("key"="value", ...)
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IDENTIFIED BY 'password'
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1. PROPERTIES
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Specify attributes of logical clusters
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PROPERTIES ("instance_num" = "3")
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Instancefn Microsoft Yahei
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2. Identify by'password'each logical cluster contains a superuser whose password must be specified when creating a logical cluster
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## example
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1. Create a new test_cluster with three be nodes and specify its superuser password
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CREATE CLUSTER test_cluster PROPERTIES("instance_num"="3") IDENTIFIED BY 'test';
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2. Create a new default_cluster with three be nodes (no multi-tenant is used) and specify its superuser password
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CREATE CLUSTER default_cluster PROPERTIES("instance_num"="3") IDENTIFIED BY 'test';
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## keyword
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CREATE,CLUSTER
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