android sqlite insert or update
Just use replace() method in SQLiteDatabase. Its simply insert a new row if no row with same key is not exists in database. Otherwise it ..., Look at this post: (assuming you have reviewed Sieryuu's comment). How do I UPDATE a row in a table or INSERT it if it doesn't exist?, I believe that you are asking how to INSERT new rows or UPDATE your ... that it easier to do this in two steps in Android using SQLiteDatabase., android 中 sqlite 数据库相信大家或多或少都使用过。我也一样。之前只知道 insert , update , query , delete 并不知道有 replace. 不清楚 replace() ..., SQLite是Android内置的轻量级数据库。我们在操作 ... 如果有的话,就 UPDATE 这条数据,如果没有的话,就 INSERT 一条数据。 最近发现更好的 ...,Have a look at http://sqlite.org/lang_conflict.html. You want something like: insert or replace into Book (ID, Name, TypeID, Level, Seen) values ((select ID from ... , you could call int nRowsEffected = database.update(...); if there are no rows effected by the update either the row doesn't exist (or you hosed ..., Since this seems to be a commom issue (which I faced recently too) I found this post which might be helpful.
相關軟體 SQLite 資訊 | |
---|---|
SQLite 是一個實現自包含,無服務器,零配置,事務 SQL 數據庫引擎的進程內庫。 SQLite 的代碼是在公共領域,因此可以用於任何目的,商業或私人。 SQLite 是世界上應用最廣泛的數據庫,比我們可以計數的應用程序還要多,其中包括幾個備受矚目的項目。選擇版本:SQLite 3.21.0(32 位)SQLite 3.20.1(64 位) SQLite 軟體介紹
android sqlite insert or update 相關參考資料
android - Sqlite Insert or Update - Stack Overflow
Just use replace() method in SQLiteDatabase. Its simply insert a new row if no row with same key is not exists in database. Otherwise it ... https://stackoverflow.com Android SQLite INSERT or REPLACE - Stack Overflow
Look at this post: (assuming you have reviewed Sieryuu's comment). How do I UPDATE a row in a table or INSERT it if it doesn't exist? https://stackoverflow.com Android SQLite Insert or Update - Stack Overflow
I believe that you are asking how to INSERT new rows or UPDATE your ... that it easier to do this in two steps in Android using SQLiteDatabase. https://stackoverflow.com android sqlite 完全用replace替代insert 和update 操作- Cat的专栏 ...
android 中 sqlite 数据库相信大家或多或少都使用过。我也一样。之前只知道 insert , update , query , delete 并不知道有 replace. 不清楚 replace() ... https://blog.csdn.net Android中SQLite数据库插入或替换 - Android笔记
SQLite是Android内置的轻量级数据库。我们在操作 ... 如果有的话,就 UPDATE 这条数据,如果没有的话,就 INSERT 一条数据。 最近发现更好的 ... https://www.race604.com INSERT IF NOT EXISTS ELSE UPDATE? - Stack Overflow
Have a look at http://sqlite.org/lang_conflict.html. You want something like: insert or replace into Book (ID, Name, TypeID, Level, Seen) values ((select ID from ... https://stackoverflow.com Insert or update in SQlite and Android using the database.query ...
you could call int nRowsEffected = database.update(...); if there are no rows effected by the update either the row doesn't exist (or you hosed ... https://stackoverflow.com should I use "query" + "updateinsert" or "insertreplace" in ...
Since this seems to be a commom issue (which I faced recently too) I found this post which might be helpful. https://stackoverflow.com |