diff --git a/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/catalog/InMemoryCatalog.scala b/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/catalog/InMemoryCatalog.scala
index 7d29a9ed0ae7..c10e0bbfde21 100644
--- a/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/catalog/InMemoryCatalog.scala
+++ b/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/catalog/InMemoryCatalog.scala
@@ -30,8 +30,10 @@ import org.apache.spark.sql.catalyst.analysis._
 import org.apache.spark.sql.catalyst.catalog.ExternalCatalogUtils._
 import org.apache.spark.sql.catalyst.expressions.Expression
 import org.apache.spark.sql.catalyst.util.StringUtils
+import org.apache.spark.sql.connector.catalog.SupportsNamespaces.PROP_OWNER
 import org.apache.spark.sql.errors.{QueryCompilationErrors, QueryExecutionErrors}
 import org.apache.spark.sql.types.StructType
+import org.apache.spark.util.Utils
 
 /**
  * An in-memory (ephemeral) implementation of the system catalog.
@@ -124,7 +126,9 @@ class InMemoryCatalog(
           throw QueryExecutionErrors.unableToCreateDatabaseAsFailedToCreateDirectoryError(
             dbDefinition, e)
       }
-      catalog.put(dbDefinition.name, new DatabaseDesc(dbDefinition))
+      val newDb = dbDefinition.copy(
+        properties = dbDefinition.properties ++ Map(PROP_OWNER -> Utils.getCurrentUserName))
+      catalog.put(dbDefinition.name, new DatabaseDesc(newDb))
     }
   }
 
diff --git a/sql/catalyst/src/test/scala/org/apache/spark/sql/catalyst/parser/DDLParserSuite.scala b/sql/catalyst/src/test/scala/org/apache/spark/sql/catalyst/parser/DDLParserSuite.scala
index b92be01f9a3c..9354614c4121 100644
--- a/sql/catalyst/src/test/scala/org/apache/spark/sql/catalyst/parser/DDLParserSuite.scala
+++ b/sql/catalyst/src/test/scala/org/apache/spark/sql/catalyst/parser/DDLParserSuite.scala
@@ -1770,38 +1770,6 @@ class DDLParserSuite extends AnalysisTest {
           "location" -> "/home/user/db")))
   }
 
-  test("set namespace properties") {
-    comparePlans(
-      parsePlan("ALTER DATABASE a.b.c SET PROPERTIES ('a'='a', 'b'='b', 'c'='c')"),
-      SetNamespaceProperties(
-        UnresolvedNamespace(Seq("a", "b", "c")), Map("a" -> "a", "b" -> "b", "c" -> "c")))
-
-    comparePlans(
-      parsePlan("ALTER SCHEMA a.b.c SET PROPERTIES ('a'='a')"),
-      SetNamespaceProperties(
-        UnresolvedNamespace(Seq("a", "b", "c")), Map("a" -> "a")))
-
-    comparePlans(
-      parsePlan("ALTER NAMESPACE a.b.c SET PROPERTIES ('b'='b')"),
-      SetNamespaceProperties(
-        UnresolvedNamespace(Seq("a", "b", "c")), Map("b" -> "b")))
-
-    comparePlans(
-      parsePlan("ALTER DATABASE a.b.c SET DBPROPERTIES ('a'='a', 'b'='b', 'c'='c')"),
-      SetNamespaceProperties(
-        UnresolvedNamespace(Seq("a", "b", "c")), Map("a" -> "a", "b" -> "b", "c" -> "c")))
-
-    comparePlans(
-      parsePlan("ALTER SCHEMA a.b.c SET DBPROPERTIES ('a'='a')"),
-      SetNamespaceProperties(
-        UnresolvedNamespace(Seq("a", "b", "c")), Map("a" -> "a")))
-
-    comparePlans(
-      parsePlan("ALTER NAMESPACE a.b.c SET DBPROPERTIES ('b'='b')"),
-      SetNamespaceProperties(
-        UnresolvedNamespace(Seq("a", "b", "c")), Map("b" -> "b")))
-  }
-
   test("analyze table statistics") {
     comparePlans(parsePlan("analyze table a.b.c compute statistics"),
       AnalyzeTable(
diff --git a/sql/core/src/test/scala/org/apache/spark/sql/connector/DataSourceV2SQLSuite.scala b/sql/core/src/test/scala/org/apache/spark/sql/connector/DataSourceV2SQLSuite.scala
index 4c5a001ec076..8b3ae25e3009 100644
--- a/sql/core/src/test/scala/org/apache/spark/sql/connector/DataSourceV2SQLSuite.scala
+++ b/sql/core/src/test/scala/org/apache/spark/sql/connector/DataSourceV2SQLSuite.scala
@@ -1224,54 +1224,6 @@ class DataSourceV2SQLSuite
     }
   }
 
-  test("ALTER NAMESPACE .. SET PROPERTIES using v2 catalog") {
-    withNamespace("testcat.ns1.ns2") {
-      sql("CREATE NAMESPACE IF NOT EXISTS testcat.ns1.ns2 COMMENT " +
-        "'test namespace' LOCATION '/tmp/ns_test' WITH PROPERTIES ('a'='a','b'='b','c'='c')")
-      sql("ALTER NAMESPACE testcat.ns1.ns2 SET PROPERTIES ('a'='b','b'='a')")
-      val descriptionDf = sql("DESCRIBE NAMESPACE EXTENDED testcat.ns1.ns2")
-      assert(descriptionDf.collect() === Seq(
-        Row("Namespace Name", "ns2"),
-        Row(SupportsNamespaces.PROP_COMMENT.capitalize, "test namespace"),
-        Row(SupportsNamespaces.PROP_LOCATION.capitalize, "file:/tmp/ns_test"),
-        Row(SupportsNamespaces.PROP_OWNER.capitalize, defaultUser),
-        Row("Properties", "((a,b), (b,a), (c,c))"))
-      )
-    }
-  }
-
-  test("ALTER NAMESPACE .. SET PROPERTIES reserved properties") {
-    import SupportsNamespaces._
-    withSQLConf((SQLConf.LEGACY_PROPERTY_NON_RESERVED.key, "false")) {
-      CatalogV2Util.NAMESPACE_RESERVED_PROPERTIES.filterNot(_ == PROP_COMMENT).foreach { key =>
-        withNamespace("testcat.reservedTest") {
-          sql("CREATE NAMESPACE testcat.reservedTest")
-          val exception = intercept[ParseException] {
-            sql(s"ALTER NAMESPACE testcat.reservedTest SET PROPERTIES ('$key'='dummyVal')")
-          }
-          assert(exception.getMessage.contains(s"$key is a reserved namespace property"))
-        }
-      }
-    }
-    withSQLConf((SQLConf.LEGACY_PROPERTY_NON_RESERVED.key, "true")) {
-      CatalogV2Util.NAMESPACE_RESERVED_PROPERTIES.filterNot(_ == PROP_COMMENT).foreach { key =>
-        withNamespace("testcat.reservedTest") {
-          sql(s"CREATE NAMESPACE testcat.reservedTest")
-          sql(s"ALTER NAMESPACE testcat.reservedTest SET PROPERTIES ('$key'='foo')")
-          assert(sql("DESC NAMESPACE EXTENDED testcat.reservedTest")
-            .toDF("k", "v")
-            .where("k='Properties'")
-            .where("v=''")
-            .count == 1, s"$key is a reserved namespace property and ignored")
-          val meta =
-            catalog("testcat").asNamespaceCatalog.loadNamespaceMetadata(Array("reservedTest"))
-          assert(meta.get(key) == null || !meta.get(key).contains("foo"),
-            "reserved properties should not have side effects")
-        }
-      }
-    }
-  }
-
   private def testShowNamespaces(
       sqlText: String,
       expected: Seq[String]): Unit = {
diff --git a/sql/core/src/test/scala/org/apache/spark/sql/execution/command/AlterNamespaceSetPropertiesParserSuite.scala b/sql/core/src/test/scala/org/apache/spark/sql/execution/command/AlterNamespaceSetPropertiesParserSuite.scala
new file mode 100644
index 000000000000..868dc275b8a4
--- /dev/null
+++ b/sql/core/src/test/scala/org/apache/spark/sql/execution/command/AlterNamespaceSetPropertiesParserSuite.scala
@@ -0,0 +1,49 @@
+/*
+ * 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.
+ */
+
+package org.apache.spark.sql.execution.command
+
+import org.apache.spark.sql.catalyst.analysis.{AnalysisTest, UnresolvedNamespace}
+import org.apache.spark.sql.catalyst.parser.CatalystSqlParser.parsePlan
+import org.apache.spark.sql.catalyst.parser.ParseException
+import org.apache.spark.sql.catalyst.plans.logical.SetNamespaceProperties
+
+class AlterNamespaceSetPropertiesParserSuite extends AnalysisTest {
+  test("set namespace properties") {
+    Seq("DATABASE", "SCHEMA", "NAMESPACE").foreach { nsToken =>
+      Seq("PROPERTIES", "DBPROPERTIES").foreach { propToken =>
+        comparePlans(
+          parsePlan(s"ALTER $nsToken a.b.c SET $propToken ('a'='a', 'b'='b', 'c'='c')"),
+          SetNamespaceProperties(
+            UnresolvedNamespace(Seq("a", "b", "c")), Map("a" -> "a", "b" -> "b", "c" -> "c")))
+
+        comparePlans(
+          parsePlan(s"ALTER $nsToken a.b.c SET $propToken ('a'='a')"),
+          SetNamespaceProperties(
+            UnresolvedNamespace(Seq("a", "b", "c")), Map("a" -> "a")))
+      }
+    }
+  }
+
+  test("property values must be set") {
+    val e = intercept[ParseException] {
+      parsePlan("ALTER NAMESPACE my_db SET PROPERTIES('key_without_value', 'key_with_value'='x')")
+    }
+    assert(e.getMessage.contains(
+      "Operation not allowed: Values must be specified for key(s): [key_without_value]"))
+  }
+}
diff --git a/sql/core/src/test/scala/org/apache/spark/sql/execution/command/AlterNamespaceSetPropertiesSuiteBase.scala b/sql/core/src/test/scala/org/apache/spark/sql/execution/command/AlterNamespaceSetPropertiesSuiteBase.scala
new file mode 100644
index 000000000000..c33795c836a1
--- /dev/null
+++ b/sql/core/src/test/scala/org/apache/spark/sql/execution/command/AlterNamespaceSetPropertiesSuiteBase.scala
@@ -0,0 +1,117 @@
+/*
+ * 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.
+ */
+
+package org.apache.spark.sql.execution.command
+
+import org.apache.spark.sql.{AnalysisException, QueryTest}
+import org.apache.spark.sql.catalyst.parser.ParseException
+import org.apache.spark.sql.connector.catalog.{CatalogV2Util, SupportsNamespaces}
+import org.apache.spark.sql.internal.SQLConf
+
+/**
+ * This base suite contains unified tests for the `ALTER NAMESPACE ... SET PROPERTIES` command that
+ * check V1 and V2 table catalogs. The tests that cannot run for all supported catalogs are located
+ * in more specific test suites:
+ *
+ *   - V2 table catalog tests:
+ *     `org.apache.spark.sql.execution.command.v2.AlterNamespaceSetPropertiesSuite`
+ *   - V1 table catalog tests:
+ *     `org.apache.spark.sql.execution.command.v1.AlterNamespaceSetPropertiesSuiteBase`
+ *     - V1 In-Memory catalog:
+ *       `org.apache.spark.sql.execution.command.v1.AlterNamespaceSetPropertiesSuite`
+ *     - V1 Hive External catalog:
+ *        `org.apache.spark.sql.hive.execution.command.AlterNamespaceSetPropertiesSuite`
+ */
+trait AlterNamespaceSetPropertiesSuiteBase extends QueryTest with DDLCommandTestUtils {
+  override val command = "ALTER NAMESPACE ... SET PROPERTIES"
+
+  protected def namespace: String
+
+  protected def notFoundMsgPrefix: String
+
+  test("Namespace does not exist") {
+    val ns = "not_exist"
+    val message = intercept[AnalysisException] {
+      sql(s"ALTER DATABASE $catalog.$ns SET PROPERTIES ('d'='d')")
+    }.getMessage
+    assert(message.contains(s"$notFoundMsgPrefix '$ns' not found"))
+  }
+
+  test("basic test") {
+    val ns = s"$catalog.$namespace"
+    withNamespace(ns) {
+      sql(s"CREATE NAMESPACE $ns")
+      assert(getProperties(ns) === "")
+      sql(s"ALTER NAMESPACE $ns SET PROPERTIES ('a'='a', 'b'='b', 'c'='c')")
+      assert(getProperties(ns) === "((a,a), (b,b), (c,c))")
+      sql(s"ALTER DATABASE $ns SET PROPERTIES ('d'='d')")
+      assert(getProperties(ns) === "((a,a), (b,b), (c,c), (d,d))")
+    }
+  }
+
+  test("test with properties set while creating namespace") {
+    val ns = s"$catalog.$namespace"
+    withNamespace(ns) {
+      sql(s"CREATE NAMESPACE $ns WITH PROPERTIES ('a'='a','b'='b','c'='c')")
+      assert(getProperties(ns) === "((a,a), (b,b), (c,c))")
+      sql(s"ALTER NAMESPACE $ns SET PROPERTIES ('a'='b', 'b'='a')")
+      assert(getProperties(ns) === "((a,b), (b,a), (c,c))")
+    }
+  }
+
+  test("test reserved properties") {
+    import SupportsNamespaces._
+    import org.apache.spark.sql.connector.catalog.CatalogV2Implicits._
+    val ns = s"$catalog.$namespace"
+    withSQLConf((SQLConf.LEGACY_PROPERTY_NON_RESERVED.key, "false")) {
+      CatalogV2Util.NAMESPACE_RESERVED_PROPERTIES.filterNot(_ == PROP_COMMENT).foreach { key =>
+        withNamespace(ns) {
+          sql(s"CREATE NAMESPACE $ns")
+          val exception = intercept[ParseException] {
+            sql(s"ALTER NAMESPACE $ns SET PROPERTIES ('$key'='dummyVal')")
+          }
+          assert(exception.getMessage.contains(s"$key is a reserved namespace property"))
+        }
+      }
+    }
+    withSQLConf((SQLConf.LEGACY_PROPERTY_NON_RESERVED.key, "true")) {
+      CatalogV2Util.NAMESPACE_RESERVED_PROPERTIES.filterNot(_ == PROP_COMMENT).foreach { key =>
+        withNamespace(ns) {
+          // Set the location explicitly because v2 catalog may not set the default location.
+          // Without this, `meta.get(key)` below may return null.
+          sql(s"CREATE NAMESPACE $ns LOCATION '/tmp'")
+          assert(getProperties(ns) === "")
+          sql(s"ALTER NAMESPACE $ns SET PROPERTIES ('$key'='foo')")
+          assert(getProperties(ns) === "", s"$key is a reserved namespace property and ignored")
+          val meta = spark.sessionState.catalogManager.catalog(catalog)
+            .asNamespaceCatalog.loadNamespaceMetadata(namespace.split('.'))
+          assert(!meta.get(key).contains("foo"),
+            "reserved properties should not have side effects")
+        }
+      }
+    }
+  }
+
+  protected def getProperties(namespace: String): String = {
+    val propsRow = sql(s"DESCRIBE NAMESPACE EXTENDED $namespace")
+      .toDF("key", "value")
+      .where(s"key like 'Properties%'")
+      .collect()
+    assert(propsRow.length == 1)
+    propsRow(0).getString(1)
+  }
+}
diff --git a/sql/core/src/test/scala/org/apache/spark/sql/execution/command/DDLParserSuite.scala b/sql/core/src/test/scala/org/apache/spark/sql/execution/command/DDLParserSuite.scala
index b935c8b93a5b..44d68584a0cb 100644
--- a/sql/core/src/test/scala/org/apache/spark/sql/execution/command/DDLParserSuite.scala
+++ b/sql/core/src/test/scala/org/apache/spark/sql/execution/command/DDLParserSuite.scala
@@ -59,12 +59,6 @@ class DDLParserSuite extends AnalysisTest with SharedSparkSession {
       ShowCurrentNamespaceCommand())
   }
 
-  test("alter database - property values must be set") {
-    assertUnsupported(
-      sql = "ALTER DATABASE my_db SET DBPROPERTIES('key_without_value', 'key_with_value'='x')",
-      containsThesePhrases = Seq("key_without_value"))
-  }
-
   test("insert overwrite directory") {
     val v1 = "INSERT OVERWRITE DIRECTORY '/tmp/file' USING parquet SELECT 1 as a"
     parser.parsePlan(v1) match {
diff --git a/sql/core/src/test/scala/org/apache/spark/sql/execution/command/DDLSuite.scala b/sql/core/src/test/scala/org/apache/spark/sql/execution/command/DDLSuite.scala
index 1cb7868a7819..56de04591992 100644
--- a/sql/core/src/test/scala/org/apache/spark/sql/execution/command/DDLSuite.scala
+++ b/sql/core/src/test/scala/org/apache/spark/sql/execution/command/DDLSuite.scala
@@ -751,7 +751,7 @@ abstract class DDLSuite extends QueryTest with SQLTestUtils {
     }
   }
 
-  test("Alter/Describe Database") {
+  test("Describe Database") {
     val catalog = spark.sessionState.catalog
     val databaseNames = Seq("db1", "`database`")
 
@@ -760,9 +760,7 @@ abstract class DDLSuite extends QueryTest with SQLTestUtils {
         val dbNameWithoutBackTicks = cleanIdentifier(dbName)
         val location = getDBPath(dbNameWithoutBackTicks)
 
-        sql(s"CREATE DATABASE $dbName")
-
-        sql(s"ALTER DATABASE $dbName SET DBPROPERTIES ('a'='a', 'b'='b', 'c'='c')")
+        sql(s"CREATE DATABASE $dbName WITH PROPERTIES ('a'='a', 'b'='b', 'c'='c')")
 
         checkAnswer(
           sql(s"DESCRIBE DATABASE EXTENDED $dbName").toDF("key", "value")
@@ -771,36 +769,12 @@ abstract class DDLSuite extends QueryTest with SQLTestUtils {
             Row("Comment", "") ::
             Row("Location", CatalogUtils.URIToString(location)) ::
             Row("Properties", "((a,a), (b,b), (c,c))") :: Nil)
-
-        sql(s"ALTER DATABASE $dbName SET DBPROPERTIES ('d'='d')")
-
-        checkAnswer(
-          sql(s"DESCRIBE DATABASE EXTENDED $dbName").toDF("key", "value")
-            .where("key not like 'Owner%'"), // filter for consistency with in-memory catalog
-          Row("Namespace Name", dbNameWithoutBackTicks) ::
-            Row("Comment", "") ::
-            Row("Location", CatalogUtils.URIToString(location)) ::
-            Row("Properties", "((a,a), (b,b), (c,c), (d,d))") :: Nil)
       } finally {
         catalog.reset()
       }
     }
   }
 
-  test("Alter Database - database does not exists") {
-    val databaseNames = Seq("db1", "`database`")
-
-    databaseNames.foreach { dbName =>
-      val dbNameWithoutBackTicks = cleanIdentifier(dbName)
-      assert(!spark.sessionState.catalog.databaseExists(dbNameWithoutBackTicks))
-
-      val message = intercept[AnalysisException] {
-        sql(s"ALTER DATABASE $dbName SET DBPROPERTIES ('d'='d')")
-      }.getMessage
-      assert(message.contains(s"Database '$dbNameWithoutBackTicks' not found"))
-    }
-  }
-
   test("create table in default db") {
     val catalog = spark.sessionState.catalog
     val tableIdent1 = TableIdentifier("tab1", None)
diff --git a/sql/core/src/test/scala/org/apache/spark/sql/execution/command/v1/AlterNamespaceSetPropertiesSuite.scala b/sql/core/src/test/scala/org/apache/spark/sql/execution/command/v1/AlterNamespaceSetPropertiesSuite.scala
new file mode 100644
index 000000000000..cb89db3181f3
--- /dev/null
+++ b/sql/core/src/test/scala/org/apache/spark/sql/execution/command/v1/AlterNamespaceSetPropertiesSuite.scala
@@ -0,0 +1,45 @@
+/*
+ * 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.
+ */
+
+package org.apache.spark.sql.execution.command.v1
+
+import org.apache.spark.sql.execution.command
+
+/**
+ * This base suite contains unified tests for the `ALTER NAMESPACE ... SET PROPERTIES` command that
+ * checks V1 table catalogs. The tests that cannot run for all V1 catalogs are located in more
+ * specific test suites:
+ *
+ *   - V1 In-Memory catalog:
+ *     `org.apache.spark.sql.execution.command.v1.AlterNamespaceSetPropertiesSuite`
+ *   - V1 Hive External catalog:
+ *     `org.apache.spark.sql.hive.execution.command.AlterNamespaceSetPropertiesSuite`
+ */
+trait AlterNamespaceSetPropertiesSuiteBase extends command.AlterNamespaceSetPropertiesSuiteBase
+    with command.TestsV1AndV2Commands {
+  override def namespace: String = "db"
+  override def notFoundMsgPrefix: String = "Database"
+}
+
+/**
+ * The class contains tests for the `ALTER NAMESPACE ... SET PROPERTIES` command to
+ * check V1 In-Memory table catalog.
+ */
+class AlterNamespaceSetPropertiesSuite extends AlterNamespaceSetPropertiesSuiteBase
+    with CommandSuiteBase {
+  override def commandVersion: String = super[AlterNamespaceSetPropertiesSuiteBase].commandVersion
+}
diff --git a/sql/core/src/test/scala/org/apache/spark/sql/execution/command/v2/AlterNamespaceSetPropertiesSuite.scala b/sql/core/src/test/scala/org/apache/spark/sql/execution/command/v2/AlterNamespaceSetPropertiesSuite.scala
new file mode 100644
index 000000000000..b5b352a7e7c4
--- /dev/null
+++ b/sql/core/src/test/scala/org/apache/spark/sql/execution/command/v2/AlterNamespaceSetPropertiesSuite.scala
@@ -0,0 +1,30 @@
+/*
+ * 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.
+ */
+
+package org.apache.spark.sql.execution.command.v2
+
+import org.apache.spark.sql.execution.command
+
+/**
+ * The class contains tests for the `ALTER NAMESPACE ... SET PROPERTIES` command to check V2 table
+ * catalogs.
+ */
+class AlterNamespaceSetPropertiesSuite extends command.AlterNamespaceSetPropertiesSuiteBase
+    with CommandSuiteBase {
+  override def namespace: String = "ns1.ns2"
+  override def notFoundMsgPrefix: String = "Namespace"
+}
diff --git a/sql/hive/src/test/scala/org/apache/spark/sql/hive/execution/command/AlterNamespaceSetPropertiesSuite.scala b/sql/hive/src/test/scala/org/apache/spark/sql/hive/execution/command/AlterNamespaceSetPropertiesSuite.scala
new file mode 100644
index 000000000000..77dd071c4475
--- /dev/null
+++ b/sql/hive/src/test/scala/org/apache/spark/sql/hive/execution/command/AlterNamespaceSetPropertiesSuite.scala
@@ -0,0 +1,29 @@
+/*
+ * 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.
+ */
+
+package org.apache.spark.sql.hive.execution.command
+
+import org.apache.spark.sql.execution.command.v1
+
+/**
+ * The class contains tests for the `ALTER NAMESPACE ... SET PROPERTIES` command to check
+ * V1 Hive external table catalog.
+ */
+class AlterNamespaceSetPropertiesSuite extends v1.AlterNamespaceSetPropertiesSuiteBase
+  with CommandSuiteBase {
+  override def commandVersion: String = super[AlterNamespaceSetPropertiesSuiteBase].commandVersion
+}