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大小: 0.05M文件類型: .rar金幣: 1下載: 0 次發(fā)布日期: 2020-12-27
- 標簽: SQLite??數(shù)據(jù)庫??Android??
資源簡介
每個應(yīng)用程序都要使用數(shù)據(jù),Android應(yīng)用程序也不例外,Android使用開源的、與操作系統(tǒng)無關(guān)的SQL數(shù)據(jù)庫 --大名鼎鼎的SQLite。SQLite是一款輕量級數(shù)據(jù)庫,它的設(shè)計目的是嵌入式,而且它占用的資源非常少,在嵌入式設(shè)備中,可能只需要幾百KB,這也是 Android 系統(tǒng)采用 SQLite 數(shù)據(jù)庫的原因之一吧。
簡介
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輕量級
使用 SQLite 只需要帶一個動態(tài)庫,就可以享受它的全部功能,而且那個動態(tài)庫的尺寸想當(dāng)小。
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獨立性
SQLite 數(shù)據(jù)庫的核心引擎不需要依賴第三方軟件,也不需要所謂的“安裝”。
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隔離性
SQLite 數(shù)據(jù)庫中所有的信息(比如表、視圖、觸發(fā)器等)都包含在一個文件夾內(nèi),方便管理和維護。
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跨平臺
SQLite 目前支持大部分操作系統(tǒng),不至電腦操作系統(tǒng)更在眾多的手機系統(tǒng)也是能夠運行,比如:Android。
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多語言接口
SQLite 數(shù)據(jù)庫支持多語言編程接口。
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安全性
SQLite 數(shù)據(jù)庫通過數(shù)據(jù)庫級上的獨占性和共享鎖來實現(xiàn)獨立事務(wù)處理。這意味著多個進程可以在同一時間從同一數(shù)據(jù)庫讀取數(shù)據(jù),但只能有一個可以寫入數(shù)據(jù)。
代碼片段和文件信息
/*?AUTO-GENERATED?FILE.??DO?NOT?MODIFY.
?*
?*?This?class?was?automatically?generated?by?the
?*?aapt?tool?from?the?resource?data?it?found.??It
?*?should?not?be?modified?by?hand.
?*/
package?com.terry;
public?final?class?R?{
????public?static?final?class?attr?{
????}
????public?static?final?class?drawable?{
????????public?static?final?int?icon=0x7f020000;
????}
????public?static?final?class?id?{
????????public?static?final?int?AbsoluteLayout1=0x7f050000;
????????public?static?final?int?EditText1=0x7f050001;
????????public?static?final?int?ListView1=0x7f050002;
????????public?static?final?int?topTextView=0x7f050003;
????}
????public?static?final?class?layout?{
????????public?static?final?int?main=0x7f030000;
????????public?static?final?int?test=0x7f030001;
????}
???
?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????文件????????280??2010-06-11?20:43??testDb\.classpath
?????文件????????842??2010-06-11?20:43??testDb\.project
?????文件????????636??2010-06-11?20:43??testDb\AndroidManifest.xm
?????文件???????8032??2010-06-12?14:27??testDb\bin\classes.dex
?????文件???????3078??2010-06-12?14:27??testDb\bin\com\terry\dbHelper.class
?????文件????????313??2010-06-12?00:08??testDb\bin\com\terry\R$attr.class
?????文件????????373??2010-06-12?00:08??testDb\bin\com\terry\R$drawable.class
?????文件????????467??2010-06-12?00:08??testDb\bin\com\terry\R$id.class
?????文件????????395??2010-06-12?00:08??testDb\bin\com\terry\R$layout.class
?????文件????????485??2010-06-12?00:08??testDb\bin\com\terry\R$string.class
?????文件????????468??2010-06-12?00:08??testDb\bin\com\terry\R.class
?????文件???????1612??2010-06-12?00:08??testDb\bin\com\terry\testDbActivity$1.class
?????文件???????1798??2010-06-12?00:08??testDb\bin\com\terry\testDbActivity$2.class
?????文件???????3819??2010-06-12?00:08??testDb\bin\com\terry\testDbActivity.class
?????文件??????11545??2010-06-12?00:08??testDb\bin\resources.ap_
?????文件??????17459??2010-06-12?14:27??testDb\bin\testDb.apk
?????文件????????449??2010-06-11?20:43??testDb\default.properties
?????文件???????1103??2010-06-12?00:08??testDb\gen\com\terry\R.java
?????文件???????4147??2010-06-11?20:43??testDb\res\drawable-hdpi\icon.png
?????文件???????1723??2010-06-11?20:43??testDb\res\drawable-ldpi\icon.png
?????文件???????2574??2010-06-11?20:43??testDb\res\drawable-mdpi\icon.png
?????文件????????626??2010-06-11?21:21??testDb\res\layout\main.xm
?????文件????????280??2010-06-11?23:39??testDb\res\layout\test.xm
?????文件????????289??2010-06-11?21:27??testDb\res\values\strings.xm
?????文件???????2120??2010-06-12?14:27??testDb\src\com\terry\dbHelper.java
?????文件???????3485??2010-06-11?23:40??testDb\src\com\terry\testDbActivity.java
?????目錄??????????0??2010-06-12?00:08??testDb\bin\com\terry
?????目錄??????????0??2010-06-12?00:08??testDb\gen\com\terry
?????目錄??????????0??2010-06-12?00:08??testDb\src\com\terry
?????目錄??????????0??2010-06-12?00:08??testDb\bin\com
............此處省略16個文件信息
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