BePPPower commented on code in PR #14924:
URL: https://github.com/apache/doris/pull/14924#discussion_r1042990981
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docs/zh-CN/docs/ecosystem/external-table/multi-catalog.md:
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@@ -371,6 +372,100 @@ mysql> select * from test;
之后，可以像正常的 Hive MetaStore 一样，访问 DLF 下的元数据。
+### 连接JDBC
+
+以下示例，用于创建一个名为 jdbc 的 Catalog, 通过jdbc 连接指定的Mysql。
+jdbc Catalog会根据`jdbc.jdbc_url` 来连接指定的数据库（示例中是`jdbc::mysql`,
所以连接MYSQL数据库），当前只支持MYSQL数据库类型。
+```sql
+CREATE CATALOG jdbc PROPERTIES (
+ "type"="jdbc",
+ "jdbc.user"="root",
+ "jdbc.password"="123456",
+ "jdbc.jdbc_url" = "jdbc:mysql://127.0.0.1:13396/demo",
+ "jdbc.driver_url" =
"file:/mnt/disk2/ftw/tools/jar/mysql-connector-java-5.1.47/mysql-connector-java-5.1.47.jar",
+ "jdbc.driver_class" = "com.mysql.jdbc.Driver"
+);
+```
Review Comment:
ok
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