diff --git a/core/src/test/java/com/scalar/db/storage/jdbc/JdbcAdminTest.java b/core/src/test/java/com/scalar/db/storage/jdbc/JdbcAdminTest.java
index 1a89820777..51c5ca5193 100644
--- a/core/src/test/java/com/scalar/db/storage/jdbc/JdbcAdminTest.java
+++ b/core/src/test/java/com/scalar/db/storage/jdbc/JdbcAdminTest.java
@@ -83,7 +83,9 @@ public class JdbcAdminTest {
           RdbEngine.SQLITE,
           new RdbEngineSqlite(),
           RdbEngine.YUGABYTE,
-          new RdbEngineYugabyte());
+          new RdbEngineYugabyte(),
+          RdbEngine.MARIADB,
+          new RdbEngineMariaDB());
 
   @Mock private BasicDataSource dataSource;
   @Mock private Connection connection;
@@ -119,6 +121,7 @@ private JdbcAdmin createJdbcAdminFor(RdbEngineStrategy rdbEngineStrategy) {
   private void mockUndefinedTableError(RdbEngine rdbEngine, SQLException sqlException) {
     switch (rdbEngine) {
       case MYSQL:
+      case MARIADB:
         when(sqlException.getErrorCode()).thenReturn(1049);
         break;
       case POSTGRESQL:
@@ -3450,6 +3453,7 @@ private SQLException prepareDuplicatedKeyException(RdbEngine rdbEngine) {
       case SQL_SERVER:
       case MYSQL:
       case ORACLE:
+      case MARIADB:
         duplicateKeyException = mock(SQLException.class);
         when(duplicateKeyException.getSQLState()).thenReturn("23000");
         break;
diff --git a/core/src/test/java/com/scalar/db/storage/jdbc/RdbEngine.java b/core/src/test/java/com/scalar/db/storage/jdbc/RdbEngine.java
index 7b5dde067c..daa66ad107 100644
--- a/core/src/test/java/com/scalar/db/storage/jdbc/RdbEngine.java
+++ b/core/src/test/java/com/scalar/db/storage/jdbc/RdbEngine.java
@@ -11,7 +11,8 @@ public enum RdbEngine {
   ORACLE,
   SQL_SERVER,
   SQLITE,
-  YUGABYTE;
+  YUGABYTE,
+  MARIADB;
 
   public static RdbEngineStrategy createRdbEngineStrategy(RdbEngine rdbEngine) {
     switch (rdbEngine) {
@@ -27,6 +28,8 @@ public static RdbEngineStrategy createRdbEngineStrategy(RdbEngine rdbEngine) {
         return new RdbEngineSqlite();
       case YUGABYTE:
         return new RdbEngineYugabyte();
+      case MARIADB:
+        return new RdbEngineMariaDB();
       default:
         throw new AssertionError();
     }
diff --git a/core/src/test/java/com/scalar/db/storage/jdbc/query/QueryBuilderTest.java b/core/src/test/java/com/scalar/db/storage/jdbc/query/QueryBuilderTest.java
index 1a0171329a..eae50a6278 100644
--- a/core/src/test/java/com/scalar/db/storage/jdbc/query/QueryBuilderTest.java
+++ b/core/src/test/java/com/scalar/db/storage/jdbc/query/QueryBuilderTest.java
@@ -334,6 +334,7 @@ public void selectQueryTest(RdbEngine rdbEngineType) throws SQLException {
       case MYSQL:
       case POSTGRESQL:
       case YUGABYTE:
+      case MARIADB:
         expectedQuery =
             "SELECT c1,c2 FROM n1.t1 WHERE p1=? AND c1>=? AND c1<=? "
                 + "ORDER BY c1 ASC,c2 DESC LIMIT 10";
@@ -1300,6 +1301,7 @@ public void upsertQueryTest(RdbEngine rdbEngineType) throws SQLException {
     preparedStatement = mock(PreparedStatement.class);
     switch (rdbEngineType) {
       case MYSQL:
+      case MARIADB:
         expectedQuery =
             "INSERT INTO n1.t1 (p1,v1,v2,v3) VALUES (?,?,?,?)"
                 + " ON DUPLICATE KEY UPDATE v1=?,v2=?,v3=?";
@@ -1340,6 +1342,7 @@ public void upsertQueryTest(RdbEngine rdbEngineType) throws SQLException {
       case POSTGRESQL:
       case SQLITE:
       case YUGABYTE:
+      case MARIADB:
         verify(preparedStatement).setString(1, "p1Value");
         verify(preparedStatement).setString(2, "v1Value");
         verify(preparedStatement).setString(3, "v2Value");
@@ -1364,6 +1367,7 @@ public void upsertQueryTest(RdbEngine rdbEngineType) throws SQLException {
     preparedStatement = mock(PreparedStatement.class);
     switch (rdbEngineType) {
       case MYSQL:
+      case MARIADB:
         expectedQuery =
             "INSERT INTO n1.t1 (p1,c1,v1,v2,v3) VALUES (?,?,?,?,?)"
                 + " ON DUPLICATE KEY UPDATE v1=?,v2=?,v3=?";
@@ -1406,6 +1410,7 @@ public void upsertQueryTest(RdbEngine rdbEngineType) throws SQLException {
       case POSTGRESQL:
       case SQLITE:
       case YUGABYTE:
+      case MARIADB:
         verify(preparedStatement).setString(1, "p1Value");
         verify(preparedStatement).setString(2, "c1Value");
         verify(preparedStatement).setString(3, "v1Value");
@@ -1434,6 +1439,7 @@ public void upsertQueryTest(RdbEngine rdbEngineType) throws SQLException {
     preparedStatement = mock(PreparedStatement.class);
     switch (rdbEngineType) {
       case MYSQL:
+      case MARIADB:
         expectedQuery =
             "INSERT INTO n1.t1 (p1,p2,c1,c2,v1,v2,v3,v4) VALUES (?,?,?,?,?,?,?,?)"
                 + " ON DUPLICATE KEY UPDATE v1=?,v2=?,v3=?,v4=?";
@@ -1480,6 +1486,7 @@ public void upsertQueryTest(RdbEngine rdbEngineType) throws SQLException {
       case POSTGRESQL:
       case SQLITE:
       case YUGABYTE:
+      case MARIADB:
         verify(preparedStatement).setString(1, "p1Value");
         verify(preparedStatement).setString(2, "p2Value");
         verify(preparedStatement).setString(3, "c1Value");
@@ -1518,6 +1525,7 @@ public void upsertQueryTest(RdbEngine rdbEngineType) throws SQLException {
     preparedStatement = mock(PreparedStatement.class);
     switch (rdbEngineType) {
       case MYSQL:
+      case MARIADB:
         expectedQuery =
             "INSERT INTO n1.t1 (p1,p2,c1,c2,v1,v2,v3,v4,v5) VALUES (?,?,?,?,?,?,?,?,?)"
                 + " ON DUPLICATE KEY UPDATE v1=?,v2=?,v3=?,v4=?,v5=?";
@@ -1565,6 +1573,7 @@ public void upsertQueryTest(RdbEngine rdbEngineType) throws SQLException {
       case POSTGRESQL:
       case SQLITE:
       case YUGABYTE:
+      case MARIADB:
         verify(preparedStatement).setString(1, "p1Value");
         verify(preparedStatement).setString(2, "p2Value");
         verify(preparedStatement).setString(3, "c1Value");
@@ -1617,6 +1626,7 @@ public void upsertQueryWithoutValuesTest(RdbEngine rdbEngineType) throws SQLExce
     preparedStatement = mock(PreparedStatement.class);
     switch (rdbEngineType) {
       case MYSQL:
+      case MARIADB:
         expectedQuery = "INSERT IGNORE INTO n1.t1 (p1) VALUES (?)";
         break;
       case POSTGRESQL:
@@ -1649,6 +1659,7 @@ public void upsertQueryWithoutValuesTest(RdbEngine rdbEngineType) throws SQLExce
       case POSTGRESQL:
       case SQLITE:
       case YUGABYTE:
+      case MARIADB:
         verify(preparedStatement).setString(1, "p1Value");
         break;
       case ORACLE:
@@ -1661,6 +1672,7 @@ public void upsertQueryWithoutValuesTest(RdbEngine rdbEngineType) throws SQLExce
     preparedStatement = mock(PreparedStatement.class);
     switch (rdbEngineType) {
       case MYSQL:
+      case MARIADB:
         expectedQuery = "INSERT IGNORE INTO n1.t1 (p1,c1) VALUES (?,?)";
         break;
       case POSTGRESQL:
@@ -1698,6 +1710,7 @@ public void upsertQueryWithoutValuesTest(RdbEngine rdbEngineType) throws SQLExce
       case POSTGRESQL:
       case SQLITE:
       case YUGABYTE:
+      case MARIADB:
         verify(preparedStatement).setString(1, "p1Value");
         verify(preparedStatement).setString(2, "c1Value");
         break;
@@ -1713,6 +1726,7 @@ public void upsertQueryWithoutValuesTest(RdbEngine rdbEngineType) throws SQLExce
     preparedStatement = mock(PreparedStatement.class);
     switch (rdbEngineType) {
       case MYSQL:
+      case MARIADB:
         expectedQuery = "INSERT IGNORE INTO n1.t1 (p1,p2,c1,c2) VALUES (?,?,?,?)";
         break;
       case POSTGRESQL:
@@ -1754,6 +1768,7 @@ public void upsertQueryWithoutValuesTest(RdbEngine rdbEngineType) throws SQLExce
       case POSTGRESQL:
       case SQLITE:
       case YUGABYTE:
+      case MARIADB:
         verify(preparedStatement).setString(1, "p1Value");
         verify(preparedStatement).setString(2, "p2Value");
         verify(preparedStatement).setString(3, "c1Value");