SQLite 에서 ROOM 까지 (5) - SQLite 로 생성된 기존 DB 에 column 추가하기

PhDatabaseHelper.java

public static final int DATABASE_VERSION = 2;
public static final String DATABASE_NAME = "student.db";
 
private static final String SQL_CREATE_ENTRIES =
        "CREATE TABLE " + StudentEntry.TABLE_NAME + " (" +
                StudentEntry._ID + " INTEGER PRIMARY KEY," +
                StudentEntry.GRADE + " INTEGER," +
                StudentEntry.NUMBER + " INTEGER," +
                StudentEntry.NAME + " TEXT," +
                StudentEntry.AGE + " INTEGER)";