diff --git a/src/connector/jdbc/src/test/java/com/taosdata/jdbc/TSDBDatabaseMetaDataTest.java b/src/connector/jdbc/src/test/java/com/taosdata/jdbc/TSDBDatabaseMetaDataTest.java
new file mode 100644
index 0000000000000000000000000000000000000000..e9b01ef728c5cc7f9cf0fcdd0db5d527ff10cc62
--- /dev/null
+++ b/src/connector/jdbc/src/test/java/com/taosdata/jdbc/TSDBDatabaseMetaDataTest.java
@@ -0,0 +1,737 @@
+package com.taosdata.jdbc;
+
+import org.junit.Assert;
+import org.junit.Before;
+import org.junit.BeforeClass;
+import org.junit.Test;
+
+import java.sql.DatabaseMetaData;
+import java.sql.DriverManager;
+import java.sql.SQLException;
+import java.util.Properties;
+
+import static org.junit.Assert.*;
+
+public class TSDBDatabaseMetaDataTest {
+    private TSDBDatabaseMetaData metaData;
+    private static final String host = "localhost";
+
+    @Before
+    public void before() throws ClassNotFoundException, SQLException {
+        Class.forName("com.taosdata.jdbc.TSDBDriver");
+        Properties properties = new Properties();
+        properties.setProperty(TSDBDriver.PROPERTY_KEY_HOST, host);
+        properties.setProperty(TSDBDriver.PROPERTY_KEY_CHARSET, "UTF-8");
+        properties.setProperty(TSDBDriver.PROPERTY_KEY_LOCALE, "en_US.UTF-8");
+        properties.setProperty(TSDBDriver.PROPERTY_KEY_TIME_ZONE, "UTC-8");
+        metaData = (TSDBDatabaseMetaData) DriverManager.getConnection("jdbc:TAOS://" + host + ":6030/?user=root&password=taosdata", properties).getMetaData();
+    }
+
+    @Test
+    public void unwrap() throws SQLException {
+        TSDBDatabaseMetaData unwrap = metaData.unwrap(TSDBDatabaseMetaData.class);
+        Assert.assertNotNull(unwrap);
+    }
+
+    @Test
+    public void isWrapperFor() throws SQLException {
+        Assert.assertTrue(metaData.isWrapperFor(TSDBDatabaseMetaData.class));
+    }
+
+    @Test
+    public void allProceduresAreCallable() throws SQLException {
+        Assert.assertFalse(metaData.allProceduresAreCallable());
+    }
+
+    @Test
+    public void allTablesAreSelectable() {
+    }
+
+    @Test
+    public void getURL() {
+    }
+
+    @Test
+    public void getUserName() {
+    }
+
+    @Test
+    public void isReadOnly() {
+    }
+
+    @Test
+    public void nullsAreSortedHigh() {
+    }
+
+    @Test
+    public void nullsAreSortedLow() {
+    }
+
+    @Test
+    public void nullsAreSortedAtStart() {
+    }
+
+    @Test
+    public void nullsAreSortedAtEnd() {
+    }
+
+    @Test
+    public void getDatabaseProductName() {
+    }
+
+    @Test
+    public void getDatabaseProductVersion() {
+    }
+
+    @Test
+    public void getDriverName() {
+    }
+
+    @Test
+    public void getDriverVersion() {
+    }
+
+    @Test
+    public void getDriverMajorVersion() {
+    }
+
+    @Test
+    public void getDriverMinorVersion() {
+    }
+
+    @Test
+    public void usesLocalFiles() {
+    }
+
+    @Test
+    public void usesLocalFilePerTable() {
+    }
+
+    @Test
+    public void supportsMixedCaseIdentifiers() {
+    }
+
+    @Test
+    public void storesUpperCaseIdentifiers() {
+    }
+
+    @Test
+    public void storesLowerCaseIdentifiers() {
+    }
+
+    @Test
+    public void storesMixedCaseIdentifiers() {
+    }
+
+    @Test
+    public void supportsMixedCaseQuotedIdentifiers() {
+    }
+
+    @Test
+    public void storesUpperCaseQuotedIdentifiers() {
+    }
+
+    @Test
+    public void storesLowerCaseQuotedIdentifiers() {
+    }
+
+    @Test
+    public void storesMixedCaseQuotedIdentifiers() {
+    }
+
+    @Test
+    public void getIdentifierQuoteString() {
+    }
+
+    @Test
+    public void getSQLKeywords() {
+    }
+
+    @Test
+    public void getNumericFunctions() {
+    }
+
+    @Test
+    public void getStringFunctions() {
+    }
+
+    @Test
+    public void getSystemFunctions() {
+    }
+
+    @Test
+    public void getTimeDateFunctions() {
+    }
+
+    @Test
+    public void getSearchStringEscape() {
+    }
+
+    @Test
+    public void getExtraNameCharacters() {
+    }
+
+    @Test
+    public void supportsAlterTableWithAddColumn() {
+    }
+
+    @Test
+    public void supportsAlterTableWithDropColumn() {
+    }
+
+    @Test
+    public void supportsColumnAliasing() {
+    }
+
+    @Test
+    public void nullPlusNonNullIsNull() {
+    }
+
+    @Test
+    public void supportsConvert() {
+    }
+
+    @Test
+    public void testSupportsConvert() {
+    }
+
+    @Test
+    public void supportsTableCorrelationNames() {
+    }
+
+    @Test
+    public void supportsDifferentTableCorrelationNames() {
+    }
+
+    @Test
+    public void supportsExpressionsInOrderBy() {
+    }
+
+    @Test
+    public void supportsOrderByUnrelated() {
+    }
+
+    @Test
+    public void supportsGroupBy() {
+    }
+
+    @Test
+    public void supportsGroupByUnrelated() {
+    }
+
+    @Test
+    public void supportsGroupByBeyondSelect() {
+    }
+
+    @Test
+    public void supportsLikeEscapeClause() {
+    }
+
+    @Test
+    public void supportsMultipleResultSets() {
+    }
+
+    @Test
+    public void supportsMultipleTransactions() {
+    }
+
+    @Test
+    public void supportsNonNullableColumns() {
+    }
+
+    @Test
+    public void supportsMinimumSQLGrammar() {
+    }
+
+    @Test
+    public void supportsCoreSQLGrammar() {
+    }
+
+    @Test
+    public void supportsExtendedSQLGrammar() {
+    }
+
+    @Test
+    public void supportsANSI92EntryLevelSQL() {
+    }
+
+    @Test
+    public void supportsANSI92IntermediateSQL() {
+    }
+
+    @Test
+    public void supportsANSI92FullSQL() {
+    }
+
+    @Test
+    public void supportsIntegrityEnhancementFacility() {
+    }
+
+    @Test
+    public void supportsOuterJoins() {
+    }
+
+    @Test
+    public void supportsFullOuterJoins() {
+    }
+
+    @Test
+    public void supportsLimitedOuterJoins() {
+    }
+
+    @Test
+    public void getSchemaTerm() {
+    }
+
+    @Test
+    public void getProcedureTerm() {
+    }
+
+    @Test
+    public void getCatalogTerm() {
+    }
+
+    @Test
+    public void isCatalogAtStart() {
+    }
+
+    @Test
+    public void getCatalogSeparator() {
+    }
+
+    @Test
+    public void supportsSchemasInDataManipulation() {
+    }
+
+    @Test
+    public void supportsSchemasInProcedureCalls() {
+    }
+
+    @Test
+    public void supportsSchemasInTableDefinitions() {
+    }
+
+    @Test
+    public void supportsSchemasInIndexDefinitions() {
+    }
+
+    @Test
+    public void supportsSchemasInPrivilegeDefinitions() {
+    }
+
+    @Test
+    public void supportsCatalogsInDataManipulation() {
+    }
+
+    @Test
+    public void supportsCatalogsInProcedureCalls() {
+    }
+
+    @Test
+    public void supportsCatalogsInTableDefinitions() {
+    }
+
+    @Test
+    public void supportsCatalogsInIndexDefinitions() {
+    }
+
+    @Test
+    public void supportsCatalogsInPrivilegeDefinitions() {
+    }
+
+    @Test
+    public void supportsPositionedDelete() {
+    }
+
+    @Test
+    public void supportsPositionedUpdate() {
+    }
+
+    @Test
+    public void supportsSelectForUpdate() {
+    }
+
+    @Test
+    public void supportsStoredProcedures() {
+    }
+
+    @Test
+    public void supportsSubqueriesInComparisons() {
+    }
+
+    @Test
+    public void supportsSubqueriesInExists() {
+    }
+
+    @Test
+    public void supportsSubqueriesInIns() {
+    }
+
+    @Test
+    public void supportsSubqueriesInQuantifieds() {
+    }
+
+    @Test
+    public void supportsCorrelatedSubqueries() {
+    }
+
+    @Test
+    public void supportsUnion() {
+    }
+
+    @Test
+    public void supportsUnionAll() {
+    }
+
+    @Test
+    public void supportsOpenCursorsAcrossCommit() {
+    }
+
+    @Test
+    public void supportsOpenCursorsAcrossRollback() {
+    }
+
+    @Test
+    public void supportsOpenStatementsAcrossCommit() {
+    }
+
+    @Test
+    public void supportsOpenStatementsAcrossRollback() {
+    }
+
+    @Test
+    public void getMaxBinaryLiteralLength() {
+    }
+
+    @Test
+    public void getMaxCharLiteralLength() {
+    }
+
+    @Test
+    public void getMaxColumnNameLength() {
+    }
+
+    @Test
+    public void getMaxColumnsInGroupBy() {
+    }
+
+    @Test
+    public void getMaxColumnsInIndex() {
+    }
+
+    @Test
+    public void getMaxColumnsInOrderBy() {
+    }
+
+    @Test
+    public void getMaxColumnsInSelect() {
+    }
+
+    @Test
+    public void getMaxColumnsInTable() {
+    }
+
+    @Test
+    public void getMaxConnections() {
+    }
+
+    @Test
+    public void getMaxCursorNameLength() {
+    }
+
+    @Test
+    public void getMaxIndexLength() {
+    }
+
+    @Test
+    public void getMaxSchemaNameLength() {
+    }
+
+    @Test
+    public void getMaxProcedureNameLength() {
+    }
+
+    @Test
+    public void getMaxCatalogNameLength() {
+    }
+
+    @Test
+    public void getMaxRowSize() {
+    }
+
+    @Test
+    public void doesMaxRowSizeIncludeBlobs() {
+    }
+
+    @Test
+    public void getMaxStatementLength() {
+    }
+
+    @Test
+    public void getMaxStatements() {
+    }
+
+    @Test
+    public void getMaxTableNameLength() {
+    }
+
+    @Test
+    public void getMaxTablesInSelect() {
+    }
+
+    @Test
+    public void getMaxUserNameLength() {
+    }
+
+    @Test
+    public void getDefaultTransactionIsolation() {
+    }
+
+    @Test
+    public void supportsTransactions() {
+    }
+
+    @Test
+    public void supportsTransactionIsolationLevel() {
+    }
+
+    @Test
+    public void supportsDataDefinitionAndDataManipulationTransactions() {
+    }
+
+    @Test
+    public void supportsDataManipulationTransactionsOnly() {
+    }
+
+    @Test
+    public void dataDefinitionCausesTransactionCommit() {
+    }
+
+    @Test
+    public void dataDefinitionIgnoredInTransactions() {
+    }
+
+    @Test
+    public void getProcedures() {
+    }
+
+    @Test
+    public void getProcedureColumns() {
+    }
+
+    @Test
+    public void getTables() {
+    }
+
+    @Test
+    public void getSchemas() {
+    }
+
+    @Test
+    public void getCatalogs() {
+    }
+
+    @Test
+    public void getTableTypes() {
+    }
+
+    @Test
+    public void getColumns() {
+    }
+
+    @Test
+    public void getColumnPrivileges() {
+    }
+
+    @Test
+    public void getTablePrivileges() {
+    }
+
+    @Test
+    public void getBestRowIdentifier() {
+    }
+
+    @Test
+    public void getVersionColumns() {
+    }
+
+    @Test
+    public void getPrimaryKeys() {
+    }
+
+    @Test
+    public void getImportedKeys() {
+    }
+
+    @Test
+    public void getExportedKeys() {
+    }
+
+    @Test
+    public void getCrossReference() {
+    }
+
+    @Test
+    public void getTypeInfo() {
+    }
+
+    @Test
+    public void getIndexInfo() {
+    }
+
+    @Test
+    public void supportsResultSetType() {
+    }
+
+    @Test
+    public void supportsResultSetConcurrency() {
+    }
+
+    @Test
+    public void ownUpdatesAreVisible() {
+    }
+
+    @Test
+    public void ownDeletesAreVisible() {
+    }
+
+    @Test
+    public void ownInsertsAreVisible() {
+    }
+
+    @Test
+    public void othersUpdatesAreVisible() {
+    }
+
+    @Test
+    public void othersDeletesAreVisible() {
+    }
+
+    @Test
+    public void othersInsertsAreVisible() {
+    }
+
+    @Test
+    public void updatesAreDetected() {
+    }
+
+    @Test
+    public void deletesAreDetected() {
+    }
+
+    @Test
+    public void insertsAreDetected() {
+    }
+
+    @Test
+    public void supportsBatchUpdates() {
+    }
+
+    @Test
+    public void getUDTs() {
+    }
+
+    @Test
+    public void getConnection() {
+    }
+
+    @Test
+    public void supportsSavepoints() {
+    }
+
+    @Test
+    public void supportsNamedParameters() {
+    }
+
+    @Test
+    public void supportsMultipleOpenResults() {
+    }
+
+    @Test
+    public void supportsGetGeneratedKeys() {
+    }
+
+    @Test
+    public void getSuperTypes() {
+    }
+
+    @Test
+    public void getSuperTables() {
+    }
+
+    @Test
+    public void getAttributes() {
+    }
+
+    @Test
+    public void supportsResultSetHoldability() {
+    }
+
+    @Test
+    public void getResultSetHoldability() {
+    }
+
+    @Test
+    public void getDatabaseMajorVersion() {
+    }
+
+    @Test
+    public void getDatabaseMinorVersion() {
+    }
+
+    @Test
+    public void getJDBCMajorVersion() {
+    }
+
+    @Test
+    public void getJDBCMinorVersion() {
+    }
+
+    @Test
+    public void getSQLStateType() {
+    }
+
+    @Test
+    public void locatorsUpdateCopy() {
+    }
+
+    @Test
+    public void supportsStatementPooling() {
+    }
+
+    @Test
+    public void getRowIdLifetime() {
+    }
+
+    @Test
+    public void testGetSchemas() {
+    }
+
+    @Test
+    public void supportsStoredFunctionsUsingCallSyntax() {
+    }
+
+    @Test
+    public void autoCommitFailureClosesAllResultSets() {
+    }
+
+    @Test
+    public void getClientInfoProperties() {
+    }
+
+    @Test
+    public void getFunctions() {
+    }
+
+    @Test
+    public void getFunctionColumns() {
+    }
+
+    @Test
+    public void getPseudoColumns() {
+    }
+
+    @Test
+    public void generatedKeyAlwaysReturned() {
+    }
+}
\ No newline at end of file