diff --git a/parser/sql/statement/src/main/java/org/apache/shardingsphere/sql/parser/sql/dialect/statement/oracle/ddl/OracleCreateMaterializedViewLogStatement.java b/parser/sql/statement/src/main/java/org/apache/shardingsphere/sql/parser/sql/dialect/statement/oracle/ddl/OracleCreateMaterializedViewLogStatement.java
index 55c4c1ed42dd2..983760bf84a5a 100644
--- a/parser/sql/statement/src/main/java/org/apache/shardingsphere/sql/parser/sql/dialect/statement/oracle/ddl/OracleCreateMaterializedViewLogStatement.java
+++ b/parser/sql/statement/src/main/java/org/apache/shardingsphere/sql/parser/sql/dialect/statement/oracle/ddl/OracleCreateMaterializedViewLogStatement.java
@@ -23,5 +23,5 @@
 /**
  * Oracle create materialized view log statement.
  */
-public class OracleCreateMaterializedViewLogStatement extends AbstractSQLStatement implements OracleStatement {
+public final class OracleCreateMaterializedViewLogStatement extends AbstractSQLStatement implements OracleStatement {
 }
diff --git a/parser/sql/statement/src/main/java/org/apache/shardingsphere/sql/parser/sql/dialect/statement/oracle/ddl/OracleCreateMaterializedViewStatement.java b/parser/sql/statement/src/main/java/org/apache/shardingsphere/sql/parser/sql/dialect/statement/oracle/ddl/OracleCreateMaterializedViewStatement.java
index f001bc510038c..c3e1c98549cf8 100644
--- a/parser/sql/statement/src/main/java/org/apache/shardingsphere/sql/parser/sql/dialect/statement/oracle/ddl/OracleCreateMaterializedViewStatement.java
+++ b/parser/sql/statement/src/main/java/org/apache/shardingsphere/sql/parser/sql/dialect/statement/oracle/ddl/OracleCreateMaterializedViewStatement.java
@@ -23,5 +23,5 @@
 /**
  * OracleSQL create materialized view statement.
  */
-public class OracleCreateMaterializedViewStatement extends CreateMaterializedViewStatement implements OracleStatement {
+public final class OracleCreateMaterializedViewStatement extends CreateMaterializedViewStatement implements OracleStatement {
 }