diff --git a/docker/thirdparties/docker-compose/mysql/init/01-drop-db.sql b/docker/thirdparties/docker-compose/mysql/init/01-drop-db.sql
index d0db4a7e1ac925..a1f48660b549e4 100644
--- a/docker/thirdparties/docker-compose/mysql/init/01-drop-db.sql
+++ b/docker/thirdparties/docker-compose/mysql/init/01-drop-db.sql
@@ -16,3 +16,4 @@
 -- under the License.
 
 drop database if exists doris_test;
+drop database if exists show_test_do_not_modify;
diff --git a/docker/thirdparties/docker-compose/mysql/init/02-create-db.sql b/docker/thirdparties/docker-compose/mysql/init/02-create-db.sql
index f87b6922d9f003..84d7db562714b2 100644
--- a/docker/thirdparties/docker-compose/mysql/init/02-create-db.sql
+++ b/docker/thirdparties/docker-compose/mysql/init/02-create-db.sql
@@ -16,3 +16,4 @@
 -- under the License.
 
 create database doris_test;
+create database show_test_do_not_modify;
diff --git a/docker/thirdparties/docker-compose/mysql/init/03-create-table.sql b/docker/thirdparties/docker-compose/mysql/init/03-create-table.sql
index 0b5b6bb6364518..4663ea2cf6ee45 100644
--- a/docker/thirdparties/docker-compose/mysql/init/03-create-table.sql
+++ b/docker/thirdparties/docker-compose/mysql/init/03-create-table.sql
@@ -308,3 +308,16 @@ CREATE TABLE doris_test.dt_null (
 CREATE VIEW doris_test.mysql_view as
 select 10086 as col_1, 4294967295 as col_2, tinyint_u as col_3  from doris_test.all_types where tinyint_u=201;
 
+CREATE TABLE show_test_do_not_modify.ex_tb0 (
+  `id` int PRIMARY KEY,
+  `name` varchar(128)
+);
+
+CREATE TABLE show_test_do_not_modify.ex_tb1 (
+  id varchar(128)
+);
+
+CREATE TABLE show_test_do_not_modify.ex_tb2 (
+  id int,
+  count_value varchar(20)
+);
diff --git a/docker/thirdparties/docker-compose/mysql/init/04-insert.sql b/docker/thirdparties/docker-compose/mysql/init/04-insert.sql
index fbbe2221bb4295..93ae8c9b63e5ff 100644
--- a/docker/thirdparties/docker-compose/mysql/init/04-insert.sql
+++ b/docker/thirdparties/docker-compose/mysql/init/04-insert.sql
@@ -15,6 +15,12 @@
 -- specific language governing permissions and limitations
 -- under the License.
 
+insert into show_test_do_not_modify.ex_tb0 values (111, 'abc'), (112, 'abd'), (113, 'abe'),(114, 'abf'),(115, 'abg');
+
+insert into show_test_do_not_modify.ex_tb1 values ('{"k1":"v1", "k2":"v2"}');
+
+insert into show_test_do_not_modify.ex_tb2 values (123, '10'), (123, '15'), (123, '20');
+
 insert into doris_test.test1 values
 (true, 'abc', 'efg', '2022-10-01', 3.4, 1, 2, 0, 100000, 1.2, '2022-10-02 12:59:01', 24.000),
 (true, 'abc', 'efg', '2022-10-01', 3.4, 1, 2, 1, 100000, 1.2, '2022-10-02 12:59:01', 24.000),
diff --git a/regression-test/data/external_table_emr_p2/hive/test_truncate_char_or_varchar_columns.out b/regression-test/data/external_table_p2/hive/test_truncate_char_or_varchar_columns.out
similarity index 100%
rename from regression-test/data/external_table_emr_p2/hive/test_truncate_char_or_varchar_columns.out
rename to regression-test/data/external_table_p2/hive/test_truncate_char_or_varchar_columns.out
diff --git a/regression-test/data/nereids_p0/show/test_show_where.out b/regression-test/data/nereids_p0/show/test_show_where.out
index 6e51af956fd0ae..538d5c23ab34b8 100644
--- a/regression-test/data/nereids_p0/show/test_show_where.out
+++ b/regression-test/data/nereids_p0/show/test_show_where.out
@@ -17,3 +17,47 @@ ex_tb1
 ex_tb0
 ex_tb1
 
+-- !select --
+show_test_do_not_modify
+
+-- !select --
+ex_tb0
+ex_tb1
+ex_tb2
+
+-- !select --
+ex_tb0
+
+-- !select --
+ex_tb0
+ex_tb1
+ex_tb2
+
+-- !select --
+ex_tb0
+ex_tb1
+
+-- !select --
+ex_tb0
+ex_tb1
+ex_tb2
+
+-- !select --
+doris_test
+
+-- !select --
+ex_tb0
+ex_tb1
+
+-- !select --
+ex_tb1
+
+-- !select --
+ex_tb0
+ex_tb1
+
+-- !select --
+ex_tb0
+ex_tb1
+ex_tb2
+
diff --git a/regression-test/data/query_p0/show/test_show_where.out b/regression-test/data/query_p0/show/test_show_where.out
index 6e51af956fd0ae..538d5c23ab34b8 100644
--- a/regression-test/data/query_p0/show/test_show_where.out
+++ b/regression-test/data/query_p0/show/test_show_where.out
@@ -17,3 +17,47 @@ ex_tb1
 ex_tb0
 ex_tb1
 
+-- !select --
+show_test_do_not_modify
+
+-- !select --
+ex_tb0
+ex_tb1
+ex_tb2
+
+-- !select --
+ex_tb0
+
+-- !select --
+ex_tb0
+ex_tb1
+ex_tb2
+
+-- !select --
+ex_tb0
+ex_tb1
+
+-- !select --
+ex_tb0
+ex_tb1
+ex_tb2
+
+-- !select --
+doris_test
+
+-- !select --
+ex_tb0
+ex_tb1
+
+-- !select --
+ex_tb1
+
+-- !select --
+ex_tb0
+ex_tb1
+
+-- !select --
+ex_tb0
+ex_tb1
+ex_tb2
+
diff --git a/regression-test/suites/external_table_p0/es/test_es_query_no_http_url.groovy b/regression-test/suites/external_table_p0/es/test_es_query_no_http_url.groovy
index 07c39ccf11ae73..7aad2f4fba688b 100644
--- a/regression-test/suites/external_table_p0/es/test_es_query_no_http_url.groovy
+++ b/regression-test/suites/external_table_p0/es/test_es_query_no_http_url.groovy
@@ -32,8 +32,7 @@ suite("test_es_query_no_http_url", "p0,external,es,external_docker,external_dock
 
         // test old create-catalog syntax for compatibility
         sql """
-            create catalog es6
-            properties (
+            create catalog if not exists es6 properties (
                 "type"="es",
                 "elasticsearch.hosts"="${externalEnvIp}:$es_6_port",
                 "elasticsearch.nodes_discovery"="false",
@@ -42,19 +41,21 @@ suite("test_es_query_no_http_url", "p0,external,es,external_docker,external_dock
         """
 
         // test new create catalog syntax
-        sql """create catalog if not exists es7 properties(
-            "type"="es",
-            "hosts"="${externalEnvIp}:$es_7_port",
-            "nodes_discovery"="false",
-            "enable_keyword_sniff"="true"
+        sql """
+            create catalog if not exists es7 properties(
+                "type"="es",
+                "hosts"="${externalEnvIp}:$es_7_port",
+                "nodes_discovery"="false",
+                "enable_keyword_sniff"="true"
         );
         """
 
-        sql """create catalog if not exists es8 properties(
-            "type"="es",
-            "hosts"="${externalEnvIp}:$es_8_port",
-            "nodes_discovery"="false",
-            "enable_keyword_sniff"="true"
+        sql """
+            create catalog if not exists es8 properties(
+                "type"="es",
+                "hosts"="${externalEnvIp}:$es_8_port",
+                "nodes_discovery"="false",
+                "enable_keyword_sniff"="true"
         );
         """
 
diff --git a/regression-test/suites/external_table_emr_p2/hive/test_truncate_char_or_varchar_columns.groovy b/regression-test/suites/external_table_p2/hive/test_truncate_char_or_varchar_columns.groovy
similarity index 97%
rename from regression-test/suites/external_table_emr_p2/hive/test_truncate_char_or_varchar_columns.groovy
rename to regression-test/suites/external_table_p2/hive/test_truncate_char_or_varchar_columns.groovy
index 4fdf7183c6ccdf..4ed6814e03963f 100644
--- a/regression-test/suites/external_table_emr_p2/hive/test_truncate_char_or_varchar_columns.groovy
+++ b/regression-test/suites/external_table_p2/hive/test_truncate_char_or_varchar_columns.groovy
@@ -15,7 +15,7 @@
 // specific language governing permissions and limitations
 // under the License.
 
-suite("test_truncate_char_or_varchar_columns", "p2") {
+suite("test_truncate_char_or_varchar_columns", "p2,external,hive,external_remote,external_remote_hive") {
     String enabled = context.config.otherConfigs.get("enableExternalHiveTest")
     if (enabled != null && enabled.equalsIgnoreCase("true")) {
         String extHiveHmsHost = context.config.otherConfigs.get("extHiveHmsHost")
diff --git a/regression-test/suites/nereids_p0/show/test_show_where.groovy b/regression-test/suites/nereids_p0/show/test_show_where.groovy
index 5f555a4e726c97..2caf494bf2f175 100644
--- a/regression-test/suites/nereids_p0/show/test_show_where.groovy
+++ b/regression-test/suites/nereids_p0/show/test_show_where.groovy
@@ -58,7 +58,8 @@ suite("test_show_where", "query,external,mysql,external_docker,external_docker_m
         String enabled = context.config.otherConfigs.get("enableJdbcTest")
         String mysql_port = context.config.otherConfigs.get("mysql_57_port");
         if (enabled != null && enabled.equalsIgnoreCase("true")) {
-            
+            String mysql_show_db="show_test_do_not_modify"
+
             sql """drop catalog if exists ${catalog_name} """
 
             // if use 'com.mysql.cj.jdbc.Driver' here, it will report: ClassNotFound
@@ -66,20 +67,20 @@ suite("test_show_where", "query,external,mysql,external_docker,external_docker_m
                     "type"="jdbc",
                     "jdbc.user"="root",
                     "jdbc.password"="123456",
-                    "jdbc.jdbc_url" = "jdbc:mysql://${externalEnvIp}:${mysql_port}/doris_test?useSSL=false",
+                    "jdbc.jdbc_url" = "jdbc:mysql://${externalEnvIp}:${mysql_port}/show_test_do_not_modify?useSSL=false",
                     "jdbc.driver_url" = "${driver_url}",
                     "jdbc.driver_class" = "com.mysql.cj.jdbc.Driver");
                 """
 
             sql """switch ${catalog_name}"""
-            sql """ use ${ex_db_name}"""
+            sql """ use ${mysql_show_db}"""
 
-            qt_select "show databases where schema_name= '${ex_db_name}'"
+            qt_select "show databases where schema_name= '${mysql_show_db}'"
             qt_select "show tables"
             qt_select "show tables where table_name= '${ex_tb0}'"
-            qt_select "show tables from ${ex_db_name}"
+            qt_select "show tables from ${mysql_show_db}"
             qt_select "show tables from internal.${ex_db_name}"
-            qt_select "show tables from ${catalog_name}.${ex_db_name}"
+            qt_select "show tables from ${catalog_name}.${mysql_show_db}"
 
 
             sql """switch internal"""
@@ -89,7 +90,7 @@ suite("test_show_where", "query,external,mysql,external_docker,external_docker_m
             qt_select "show tables"
             qt_select "show tables where table_name= '${ex_tb1}'"
             qt_select "show tables from internal.${ex_db_name}"
-            qt_select "show tables from ${catalog_name}.${ex_db_name}"
+            qt_select "show tables from ${catalog_name}.${mysql_show_db}"
 
         }
 
diff --git a/regression-test/suites/query_p0/show/test_show_where.groovy b/regression-test/suites/query_p0/show/test_show_where.groovy
index 9fac7148fe93b5..1a48f5c926a9b9 100644
--- a/regression-test/suites/query_p0/show/test_show_where.groovy
+++ b/regression-test/suites/query_p0/show/test_show_where.groovy
@@ -56,7 +56,8 @@ suite("test_show_where", "query,external,mysql,external_docker,external_docker_m
         String enabled = context.config.otherConfigs.get("enableJdbcTest")
         String mysql_port = context.config.otherConfigs.get("mysql_57_port");
         if (enabled != null && enabled.equalsIgnoreCase("true")) {
-            
+            String mysql_show_db="show_test_do_not_modify"
+
             sql """drop catalog if exists ${catalog_name} """
 
             // if use 'com.mysql.cj.jdbc.Driver' here, it will report: ClassNotFound
@@ -64,20 +65,20 @@ suite("test_show_where", "query,external,mysql,external_docker,external_docker_m
                     "type"="jdbc",
                     "jdbc.user"="root",
                     "jdbc.password"="123456",
-                    "jdbc.jdbc_url" = "jdbc:mysql://${externalEnvIp}:${mysql_port}/doris_test?useSSL=false",
+                    "jdbc.jdbc_url" = "jdbc:mysql://${externalEnvIp}:${mysql_port}/show_test_do_not_modify?useSSL=false",
                     "jdbc.driver_url" = "${driver_url}",
                     "jdbc.driver_class" = "com.mysql.cj.jdbc.Driver");
                 """
 
             sql """switch ${catalog_name}"""
-            sql """ use ${ex_db_name}"""
+            sql """ use ${mysql_show_db}"""
 
-            qt_select "show databases where schema_name= '${ex_db_name}'"
+            qt_select "show databases where schema_name= '${mysql_show_db}'"
             qt_select "show tables"
             qt_select "show tables where table_name= '${ex_tb0}'"
-            qt_select "show tables from ${ex_db_name}"
+            qt_select "show tables from ${mysql_show_db}"
             qt_select "show tables from internal.${ex_db_name}"
-            qt_select "show tables from ${catalog_name}.${ex_db_name}"
+            qt_select "show tables from ${catalog_name}.${mysql_show_db}"
 
 
             sql """switch internal"""
@@ -87,7 +88,7 @@ suite("test_show_where", "query,external,mysql,external_docker,external_docker_m
             qt_select "show tables"
             qt_select "show tables where table_name= '${ex_tb1}'"
             qt_select "show tables from internal.${ex_db_name}"
-            qt_select "show tables from ${catalog_name}.${ex_db_name}"
+            qt_select "show tables from ${catalog_name}.${mysql_show_db}"
 
         }