Tag: 创建表

如何在使用房间时手动调用CREATE TABLE？

鉴于Java中的这个自定义SQLiteOpenHelper ： public class ExamplesOpenHelper extends SQLiteOpenHelper { private static final int DATABASE_VERSION = 1; private static final String DATABASE_NAME = “app.db”; private static final String CREATE_TABLE_STATEMENT = “CREATE TABLE examples (_id INTEGER PRIMARY KEY, NAME TEXT);”; public ExamplesOpenHelper(Context context) { super(context, DATABASE_NAME, null, DATABASE_VERSION); } @Override public void onCreate(SQLiteDatabase db) { db.execSQL(CREATE_TABLE_STATEMENT); } @Override […]