diff --git a/bin/server/cmd/root.go b/bin/server/cmd/root.go
index 7a3e0bb3..f86306b4 100644
--- a/bin/server/cmd/root.go
+++ b/bin/server/cmd/root.go
@@ -36,11 +36,10 @@ func (m *Main) Run() error {
 	storeInstance := store.New(db.Db, m.profile)
 	s.Store = storeInstance
 
-	if err := s.Run(); err != nil {
-		return err
-	}
+	println(greetingBanner)
+	fmt.Printf("Version %s has started at :%d\n", m.profile.Version, m.profile.Port)
 
-	return nil
+	return s.Run()
 }
 
 func Execute() {
@@ -56,8 +55,6 @@ func Execute() {
 	println("dsn:", profile.DSN)
 	println("version:", profile.Version)
 	println("---")
-	println(greetingBanner)
-	fmt.Printf("Version %s has started at :%d\n", profile.Version, profile.Port)
 
 	if err := m.Run(); err != nil {
 		fmt.Printf("error: %+v\n", err)
diff --git a/store/db/db.go b/store/db/db.go
index b2ca66e4..adae5d0c 100644
--- a/store/db/db.go
+++ b/store/db/db.go
@@ -80,9 +80,8 @@ func (db *DB) Open() (err error) {
 				return err
 			}
 			if migrationHistory == nil {
-				migrationHistory, err = upsertMigrationHistory(db.Db, &MigrationHistoryCreate{
-					Version:   currentVersion,
-					Statement: "",
+				migrationHistory, err = upsertMigrationHistory(db.Db, &MigrationHistoryUpsert{
+					Version: currentVersion,
 				})
 				if err != nil {
 					return err
@@ -91,16 +90,18 @@ func (db *DB) Open() (err error) {
 
 			if common.IsVersionGreaterThan(currentVersion, migrationHistory.Version) {
 				minorVersionList := getMinorVersionList()
-
+				println("start migrate")
 				for _, minorVersion := range minorVersionList {
 					normalizedVersion := minorVersion + ".0"
 					if common.IsVersionGreaterThan(normalizedVersion, migrationHistory.Version) && common.IsVersionGreaterOrEqualThan(currentVersion, normalizedVersion) {
+						println("applying migration for", normalizedVersion)
 						err := db.applyMigrationForMinorVersion(minorVersion)
 						if err != nil {
 							return fmt.Errorf("failed to apply minor version migration: %w", err)
 						}
 					}
 				}
+				println("end migrate")
 			}
 		}
 	}
@@ -148,9 +149,8 @@ func (db *DB) applyMigrationForMinorVersion(minorVersion string) error {
 	}
 
 	// upsert the newest version to migration_history
-	if _, err = upsertMigrationHistory(db.Db, &MigrationHistoryCreate{
-		Version:   minorVersion + ".0",
-		Statement: migrationStmt,
+	if _, err = upsertMigrationHistory(db.Db, &MigrationHistoryUpsert{
+		Version: minorVersion + ".0",
 	}); err != nil {
 		return err
 	}
@@ -221,29 +221,12 @@ func getMinorVersionList() []string {
 
 // createMigrationHistoryTable creates the migration_history table if it doesn't exist.
 func (db *DB) createMigrationHistoryTable() error {
-	table, err := findTable(db.Db, "migration_history")
-	if err != nil {
-		return err
-	}
-
-	// TODO(steven): Drop the migration_history table if it exists temporarily.
-	if table != nil {
-		err = db.execute(`
-		DROP TABLE IF EXISTS migration_history;
-		`)
-		if err != nil {
-			return err
-		}
-	}
-
-	err = createTable(db.Db, `
-	CREATE TABLE migration_history (
+	if err := createTable(db.Db, `
+	CREATE TABLE IF NOT EXISTS migration_history (
 		version TEXT NOT NULL PRIMARY KEY,
-		statement TEXT NOT NULL DEFAULT '',
 		created_ts BIGINT NOT NULL DEFAULT (strftime('%s', 'now'))
 	);
-	`)
-	if err != nil {
+	`); err != nil {
 		return err
 	}
 
diff --git a/store/db/migration/0.2/00__user_role.sql b/store/db/migration/0.2/00__user_role.sql
index c883c199..942dc6c0 100644
--- a/store/db/migration/0.2/00__user_role.sql
+++ b/store/db/migration/0.2/00__user_role.sql
@@ -1,7 +1,6 @@
 -- change user role field from "OWNER"/"USER" to "HOST"/"USER".
 
 PRAGMA foreign_keys = off;
-BEGIN TRANSACTION;
 
 DROP TABLE IF EXISTS _user_old;
 
@@ -52,5 +51,4 @@ WHERE
 
 DROP TABLE IF EXISTS _user_old;
 
-COMMIT;
 PRAGMA foreign_keys = on;
diff --git a/store/db/migration_history.go b/store/db/migration_history.go
index 6144a989..8e74c0c5 100644
--- a/store/db/migration_history.go
+++ b/store/db/migration_history.go
@@ -7,13 +7,11 @@ import (
 
 type MigrationHistory struct {
 	Version   string
-	Statement string
 	CreatedTs int64
 }
 
-type MigrationHistoryCreate struct {
-	Version   string
-	Statement string
+type MigrationHistoryUpsert struct {
+	Version string
 }
 
 type MigrationHistoryFind struct {
@@ -71,21 +69,18 @@ func findMigrationHistory(db *sql.DB, find *MigrationHistoryFind) (*MigrationHis
 	}
 }
 
-func upsertMigrationHistory(db *sql.DB, create *MigrationHistoryCreate) (*MigrationHistory, error) {
+func upsertMigrationHistory(db *sql.DB, upsert *MigrationHistoryUpsert) (*MigrationHistory, error) {
 	row, err := db.Query(`
 		INSERT INTO migration_history (
-			version, 
-			statement
+			version
 		)
-		VALUES (?, ?)
+		VALUES (?)
 		ON CONFLICT(version) DO UPDATE
 		SET
-			version=EXCLUDED.version,
-			statement=EXCLUDED.statement
-		RETURNING version, statement, created_ts
+			version=EXCLUDED.version
+		RETURNING version, created_ts
 	`,
-		create.Version,
-		create.Statement,
+		upsert.Version,
 	)
 	if err != nil {
 		return nil, err
@@ -96,7 +91,6 @@ func upsertMigrationHistory(db *sql.DB, create *MigrationHistoryCreate) (*Migrat
 	var migrationHistory MigrationHistory
 	if err := row.Scan(
 		&migrationHistory.Version,
-		&migrationHistory.Statement,
 		&migrationHistory.CreatedTs,
 	); err != nil {
 		return nil, err
diff --git a/store/db/table.go b/store/db/table.go
index a32549dc..bd069ea2 100644
--- a/store/db/table.go
+++ b/store/db/table.go
@@ -10,6 +10,7 @@ type Table struct {
 	SQL  string
 }
 
+//lint:ignore U1000 Ignore unused function temporarily for debugging
 func findTable(db *sql.DB, tableName string) (*Table, error) {
 	where, args := []string{"1 = 1"}, []interface{}{}