如何在 Android 应用程序中执行 SQLite 查询? [英] How to perform an SQLite query within an Android application?

问题描述

我正在尝试在我的 Android 数据库上使用此查询，但它没有返回任何数据.我错过了什么吗?

I am trying to use this query upon my Android database, but it does not return any data. Am I missing something?

SQLiteDatabase db = mDbHelper.getReadableDatabase();
    String select = "Select _id, title, title_raw from search Where(title_raw like " + "'%Smith%'" +
    ")";        
    Cursor cursor = db.query(TABLE_NAME, FROM, 
            select, null, null, null, null);
    startManagingCursor(cursor);
    return cursor;

推荐答案

这将返回所需的光标

Cursor cursor = db.query(TABLE_NAME, new String[] {"_id", "title", "title_raw"}, 
                "title_raw like " + "'%Smith%'", null, null, null, null);

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