diff --git a/regression-test/data/external_table_p0/jdbc/test_jdbc_catalog_ddl.out b/regression-test/data/external_table_p0/jdbc/test_jdbc_catalog_ddl.out
index 9629269ea3c301..3d654597cf3bff 100644
--- a/regression-test/data/external_table_p0/jdbc/test_jdbc_catalog_ddl.out
+++ b/regression-test/data/external_table_p0/jdbc/test_jdbc_catalog_ddl.out
@@ -1,27 +1,7 @@
 -- This file is automatically generated. You should know what you did if you want to edit this
--- !show_db --
-DORIS
-Doris
-doris
-doris_test
-information_schema
-init_db
-mysql
-show_test_do_not_modify
-
 -- !sql01 --
 12345
 
--- !show_db --
-DORIS
-Doris
-doris
-doris_test
-information_schema
-init_db
-mysql
-show_test_do_not_modify
-
 -- !sql01 --
 12345
 
diff --git a/regression-test/framework/src/main/groovy/org/apache/doris/regression/suite/Suite.groovy b/regression-test/framework/src/main/groovy/org/apache/doris/regression/suite/Suite.groovy
index e9367e2bcc8633..60953b84916a53 100644
--- a/regression-test/framework/src/main/groovy/org/apache/doris/regression/suite/Suite.groovy
+++ b/regression-test/framework/src/main/groovy/org/apache/doris/regression/suite/Suite.groovy
@@ -776,6 +776,11 @@ class Suite implements GroovyInterceptable {
         return localFile;
     }
 
+    boolean enableJdbcTest() {
+        String enable = context.config.otherConfigs.get("enableJdbcTest")
+        return enable != null && enable.equalsIgnoreCase("true")
+    }
+
     boolean enableBrokerLoad() {
         String enableBrokerLoad = context.config.otherConfigs.get("enableBrokerLoad");
         return (enableBrokerLoad != null && enableBrokerLoad.equals("true"));
diff --git a/regression-test/suites/doc/data-operate/scheduler/job-scheduler.md.groovy b/regression-test/suites/doc/data-operate/scheduler/job-scheduler.md.groovy
new file mode 100644
index 00000000000000..9f85844ceef9d1
--- /dev/null
+++ b/regression-test/suites/doc/data-operate/scheduler/job-scheduler.md.groovy
@@ -0,0 +1,133 @@
+// Licensed to the Apache Software Foundation (ASF) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The ASF licenses this file
+// to you under the Apache License, Version 2.0 (the
+// "License"); you may not use this file except in compliance
+// with the License.  You may obtain a copy of the License at
+//
+//   http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing,
+// software distributed under the License is distributed on an
+// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+// KIND, either express or implied.  See the License for the
+// specific language governing permissions and limitations
+// under the License.
+
+import org.junit.jupiter.api.Assertions;
+
+suite("docs/data-operate/scheduler/job-scheduler.md", "p0,external,mysql,external_docker,external_docker_mysql") {
+    def dropJobIfExists = { job_name ->
+        sql "DROP JOB IF EXISTS where jobName='${job_name}'"
+    }
+    def createJobButMuteOutdateTime = { sqlText ->
+        try {
+            sql sqlText
+        } catch (Exception e) {
+            if (!e.getMessage().contains("startTimeMs must be greater than current time")) {
+                throw e
+            }
+        }
+    }
+
+    try {
+        multi_sql """
+            create database if not exists db1;
+            create table if not exists db1.tbl1 (
+                create_time date
+            ) properties ("replication_num" = "1");
+            create database if not exists db2;
+            create table if not exists db2.tbl2 (
+                create_time date
+            ) properties ("replication_num" = "1");
+        """
+        dropJobIfExists("my_job")
+        createJobButMuteOutdateTime "CREATE JOB my_job ON SCHEDULE AT '2025-01-01 00:00:00' DO INSERT INTO db1.tbl1 SELECT * FROM db2.tbl2"
+        dropJobIfExists("my_job")
+        createJobButMuteOutdateTime "CREATE JOB my_job ON SCHEDULE EVERY 1 DAY STARTS '2025-01-01 00:00:00' DO INSERT INTO db1.tbl1 SELECT * FROM db2.tbl2 WHERE create_time >=  days_add(now(),-1)"
+        dropJobIfExists("my_job")
+        createJobButMuteOutdateTime "CREATE JOB my_job ON SCHEDULE EVERY 1 DAY STARTS '2025-01-01 00:00:00' ENDS '2026-01-01 00:10:00' DO INSERT INTO db1.tbl1 SELECT * FROM db2.tbl2 WHERE create_time >=  days_add(now(),-1)"
+        dropJobIfExists("my_job")
+        createJobButMuteOutdateTime "CREATE JOB my_job ON SCHEDULE AT current_timestamp DO INSERT INTO db1.tbl1 SELECT * FROM db2.tbl2"
+
+        sql """
+            CREATE TABLE IF NOT EXISTS user_activity (
+              `user_id` LARGEINT NOT NULL COMMENT "User ID",
+              `date` DATE NOT NULL COMMENT "Data import date",
+              `city` VARCHAR(20) COMMENT "User city",
+              `age` SMALLINT COMMENT "User age",
+              `sex` TINYINT COMMENT "User gender",
+              `last_visit_date` DATETIME REPLACE DEFAULT "1970-01-01 00:00:00" COMMENT "Last visit date",
+              `cost` BIGINT SUM DEFAULT "0" COMMENT "Total spending",
+              `max_dwell_time` INT MAX DEFAULT "0" COMMENT "Max dwell time",
+              `min_dwell_time` INT MIN DEFAULT "99999" COMMENT "Min dwell time"
+            ) AGGREGATE KEY(`user_id`, `date`, `city`, `age`, `sex`)
+            DISTRIBUTED BY HASH(`user_id`) BUCKETS 1
+            PROPERTIES (
+              "replication_allocation" = "tag.location.default: 1"
+            );
+        """
+
+        if (enableJdbcTest()) {
+            def externalEnvIp = context.config.otherConfigs.get("externalEnvIp")
+            def mysql_port = context.config.otherConfigs.get("mysql_57_port")
+            String s3_endpoint = getS3Endpoint()
+            String bucket = getS3BucketName()
+            String driver_url = "https://${bucket}.${s3_endpoint}/regression/jdbc_driver/mysql-connector-java-8.0.25.jar"
+            String driver_class = "com.mysql.cj.jdbc.Driver"
+
+            multi_sql """
+                DROP CATALOG IF EXISTS activity;
+                CREATE CATALOG activity PROPERTIES (
+                    "type"="jdbc",
+                    "user"="root",
+                    "password"="123456",
+                    "jdbc_url" = "jdbc:mysql://${externalEnvIp}:${mysql_port}/doris_test?useSSL=false&zeroDateTimeBehavior=convertToNull",
+                    "driver_url" = "${driver_url}",
+                    "driver_class" = "${driver_class}"
+                );
+                CALL EXECUTE_STMT("activity", "CREATE DATABASE IF NOT EXISTS user");
+                CALL EXECUTE_STMT("activity", "DROP TABLE IF EXISTS user.activity");
+                CALL EXECUTE_STMT("activity", "CREATE TABLE IF NOT EXISTS user.activity (
+                    `user_id` INT NOT NULL,
+                    `date` DATE NOT NULL,
+                    `city` VARCHAR(20),
+                    `age` SMALLINT,
+                    `sex` TINYINT,
+                    `last_visit_date` DATETIME DEFAULT '1970-01-01 00:00:00',
+                    `cost` BIGINT DEFAULT '0',
+                    `max_dwell_time` INT DEFAULT '0',
+                    `min_dwell_time` INT DEFAULT '99999'
+                )");
+                CALL EXECUTE_STMT("activity", "INSERT INTO user.activity VALUES
+                        (10000, '2017-10-01', 'Beijing', 20, 0, '2017-10-01 06:00:00', 20, 10, 10),
+                        (10000, '2017-10-01', 'Beijing', 20, 0, '2017-10-01 07:00:00', 15, 2, 2),
+                        (10001, '2017-10-01', 'Beijing', 30, 1, '2017-10-01 17:05:00', 2, 22, 22),
+                        (10002, '2017-10-02', 'Shanghai', 20, 1, '2017-10-02 12:59:00', 200, 5, 5),
+                        (10003, '2017-10-02', 'Guangzhou', 32, 0, '2017-10-02 11:20:00', 30, 11, 11),
+                        (10004, '2017-10-01', 'Shenzhen', 35, 0, '2017-10-01 10:00:00', 100, 3, 3),
+                        (10004, '2017-10-03', 'Shenzhen', 35, 0, '2017-10-03 10:20:00', 11, 6, 6)
+                ");
+            """
+
+            dropJobIfExists("one_time_load_job")
+            createJobButMuteOutdateTime """
+            CREATE JOB one_time_load_job
+              ON SCHEDULE
+              AT '2024-8-10 03:00:00'
+              DO
+              INSERT INTO user_activity SELECT * FROM activity.user.activity
+            """
+            dropJobIfExists("schedule_load")
+            createJobButMuteOutdateTime """
+                CREATE JOB schedule_load
+                  ON SCHEDULE EVERY 1 DAY
+                  DO
+                  INSERT INTO user_activity SELECT * FROM activity.user.activity where last_visit_date >= days_add(now(),-1)
+            """
+        }
+    } catch (Throwable t) {
+        Assertions.fail("examples in docs/data-operate/scheduler/job-scheduler.md failed to exec, please fix it", t)
+    }
+}
diff --git a/regression-test/suites/external_table_p0/jdbc/test_jdbc_catalog_ddl.groovy b/regression-test/suites/external_table_p0/jdbc/test_jdbc_catalog_ddl.groovy
index c31a98895fb7e0..c6c73aa632533c 100644
--- a/regression-test/suites/external_table_p0/jdbc/test_jdbc_catalog_ddl.groovy
+++ b/regression-test/suites/external_table_p0/jdbc/test_jdbc_catalog_ddl.groovy
@@ -38,7 +38,11 @@ suite("test_jdbc_catalog_ddl", "p0,external,mysql,external_docker,external_docke
                 "driver_class" = "com.mysql.jdbc.Driver",
                 "use_meta_cache" = "${useMetaCache}"
             );"""
-            order_qt_show_db """ show databases from ${catalog_name}; """
+            def res = sql(""" show databases from ${catalog_name}; """).collect {x -> x[0] as String}
+            def containedDb = ['mysql', 'doris_test', 'information_schema']
+            for (final def db in containedDb) {
+                assertTrue(res.contains(db), 'Not contains db: `' + db + '` in mysql catalog')
+            }
 
             // test wrong catalog and db
             test {