Help Center/ MapReduce Service/ Developer Guide (Normal_3.x)/ ClickHouse Development Guide (Security Mode)/ Developing a ClickHouse Application/ Creating a ClickHouse Database
Updated on 2025-10-23 GMT+08:00
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Creating a ClickHouse Database

This section describes the sample code for creating a ClickHouse database.

The following code snippet is provided in the createDatabase method of the Demo class in the com.huawei.clickhouse.examples package.

Run the on cluster statement to create a database whose name is the value of databaseName in Table 1 in the cluster. 
private void createDatabase(String databaseName, String clusterName) throws Exception  {    
     String createDbSql = "create database if not exists " + databaseName + " on cluster " + clusterName;    
     util.exeSql(createDbSql);
}