×ö¸ö±ê¼Ç£¬ÔÚAndroidÖÐʹÓÃÍøÂçÏÂÔØµÄsqliteÎļþ
ÏȼÇÏÂÀ´£º
FileOutputStream outputStream = openFileOutput("mydb", 0);
InputStream inputStream = response.getEntity().getContent();
byte[] data = new byte[bufferSize];
for (int i = inputStream.read(data); i > 0; i = inputStream
.read(data)) {
outputStream.write(data, 0, i);
}
SQLiteDatabase database = SQLiteDatabase
.openOrCreateDatabase(getFileStreamPath(fileName)
.getAbsolutePath(), null);
Cursor cursor = database.rawQuery("select * from users",
new String[] {});
if (cursor.moveToFirst()) {
Log.i(TAG, "user name: " + cursor.getString(1));
}
database.close();
Ïà¹ØÎĵµ£º
1:³£ÓýӿÚ
¸öÈ˱ȽÏϲ»¶
sqlite,
ʹÓÃ×î·½±ã£¬Î¨Ò»µÄ×¼±¸¹¤×÷ÊÇÏÂÔØ
250K
µÄÔ´£»¶øÇÒ×÷ÕߺÜÈÈÐÄ£¬ÓÐÎʱشð¡£
ÒÔÏÂÑÝʾһÏÂʹÓÃ
sqlite
µÄ²½Ö裬ÏÈ´´½¨Ò»¸öÊý¾Ý¿â£¬È»ºó²éѯÆäÖеÄÄÚÈÝ¡£
2
¸öÖØÒª½á¹¹ÌåºÍ
5
¸öÖ÷Òªº¯Êý£º
sqlite3 &nbs ......
//²åÈë¼°¸üвÙ×÷
int nRet = 0;
sqlite3 * db = NULL;
CString strFilePath; //Êý¾Ý¿â´æ´¢Â·¾¶
//·¾¶¸³Öµ£¨Ê¡ÂÔ£©
//Á¬½ÓÊý¾Ý¿â
nRet = sqlite3_open16(strFilePath, &db); //Óм¸¸ö´ò¿ªº¯Êý¿É¹©µ÷Óã¬Ê¹ÓÃWCHARÀàÐÍ·¾¶ÓÃÕâ¸ö
if(nRet != SQLIT ......
1 TOP
ÕâÊÇÒ»¸ö´ó¼Ò¾³£Îʵ½µÄÎÊÌ⣬ÀýÈçÔÚSQLSERVERÖпÉÒÔʹÓÃÈçÏÂÓï¾äÀ´È¡µÃ¼Ç¼¼¯ÖеÄǰʮÌõ¼Ç¼£º
SELECT TOP 10 * from [index] ORDER BY indexid DESC;
µ«ÊÇÕâÌõSQLÓï¾äÔÚSQLiteÖÐÊÇÎÞ·¨Ö´Ðеģ¬Ó¦¸Ã¸ÄΪ£º
SELECT * from [index] ORDER BY indexid DESC limit 0,10;
ÆäÖÐlimit 0,10±íʾ´ÓµÚ0Ìõ¼Ç¼¿ªÊ¼£¬Íùºó ......
ÎÒÏÖÔÚʹÓõÄÊÇDatalogic µÄmemorɨÃèÆ÷(intel XScale PXA255@200MHz,ϵͳÄÚ´æ 64M,ϵͳÉÁ´æ
128M)£¬²Ù×÷ϵͳΪWinCE
5.0,Êý¾Ý¿âΪSqlite3£¬ÔÚ.net»·¾³ÏÂÃæÓÐûÓпÉÄÚ½«Ò»¸ö20ÍòÐÐÊý¾ÝµÄtxtÎļþ¶Á³ö²¢Ð´µ½SqliteÊý¾Ý¿âÖÐ?
ÎÒÏÖÔÚµÄ×ö·¨ÊÇ£ºÖðÐжÁ³öÎļþÄÚÈÝ£¬·Ö¸îÊý¾Ýºó×÷Ϊ²ÎÊý£¬ÓÃdc.Parameters.add()·½·¨¼ÓÈëSQLiteC ......
1¡¢SQLite¼ò½é
¡¡¡¡SQLiteµÚÒ»¸öAlpha°æ±¾µ®ÉúÓÚ2000Äê5ÔÂ. ÖÁ½ñÒѾÓÐ9¸öÄêÍ·ÁË. SQLiteÒ²ÓÀ´ÁËÒ»¸ö°æ±¾ SQLite 3ÒѾ·¢²¼.
¡¡¡¡SQLiteÊÇÒ»¿îÇáÐ͵ÄÊý¾Ý¿â£¬ÊÇ×ñÊØACIDµÄ¹ØÁªÊ½Êý¾Ý¿â¹ÜÀíϵͳ£¬ËüµÄÉè¼ÆÄ¿±êÊÇǶÈëʽµÄ£¬¶øÇÒĿǰÒѾÔںܶàǶÈëʽ²úÆ·ÖÐʹÓÃÁËËü£¬ËüÕ¼ÓÃ×ÊÔ´·Ç³£µÄµÍ£¬ÔÚǶÈëʽÉ豸ÖУ¬¿ÉÄÜÖ»ÐèÒª¼¸°ÙKµ ......