Android database upgrade
2011年11月15日 — onUpgrade is called whenever the app is upgraded and launched and the database version is not the same. 2. Incrementing the db version. You need ... ,2015年10月12日 — If you open db with version 1, and next time you open db with version 2, the onUpgrade method will be called with param ordVersion = 1 and ... ,2015年1月10日 — @Override public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) if(oldVersion<2) db.execSQL(ALTER TABLE +this. ,Installing a new version of your app doesn't necessarily remove its data (unless you uninstall it manually before installation or just clear ...,2015年1月19日 — 1) Leave my SQLiteOpenHelper class's onCreate method AS IS. · 2) Fill in my SQLiteOpenHelper class's onUpgrade method. · 3) Update the database ... ,2016年1月2日 — Android SQLite Database – How to use onUpgrade() correctly · Solution 1: Delete the tables that have changed and recreate them · Solution 2: Drop ... ,2015年5月5日 — If you have written an Android app of even moderate size, you have likely implemented and utilized a SQLite Database. The internet is full of ... ,upgrading sqlite database in android. GitHub Gist: instantly share code, ... public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) . ,2020年11月28日 — Whenever you create your database by Room or SQLite in your Android app then you have to set a database version which is used to handle database ... ,2021年2月24日 — Called when the database needs to be upgraded. The implementation should use this method to drop tables, add tables, or do anything else it ...
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 Android database upgrade 相關參考資料
Android: upgrading DB version and adding new table - Stack ...
2011年11月15日 — onUpgrade is called whenever the app is upgraded and launched and the database version is not the same. 2. Incrementing the db version. You need ... https://stackoverflow.com Android : Change SQLite DB on upgrade - Stack Overflow
2015年10月12日 — If you open db with version 1, and next time you open db with version 2, the onUpgrade method will be called with param ordVersion = 1 and ... https://stackoverflow.com upgrade sqlite database in my app - Stack Overflow
2015年1月10日 — @Override public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) if(oldVersion<2) db.execSQL(ALTER TABLE +this. https://stackoverflow.com Upgrade Android app and keep old SQLite database - Stack ...
Installing a new version of your app doesn't necessarily remove its data (unless you uninstall it manually before installation or just clear ... https://stackoverflow.com Steps to upgrade existing Android database wo losing data
2015年1月19日 — 1) Leave my SQLiteOpenHelper class's onCreate method AS IS. · 2) Fill in my SQLiteOpenHelper class's onUpgrade method. · 3) Update the database ... https://stackoverflow.com Android SQLite Database - How to use onUpgrade() correctly
2016年1月2日 — Android SQLite Database – How to use onUpgrade() correctly · Solution 1: Delete the tables that have changed and recreate them · Solution 2: Drop ... https://riggaroo.dev How To Android SQLite onUpgrade() | BHW Blog
2015年5月5日 — If you have written an Android app of even moderate size, you have likely implemented and utilized a SQLite Database. The internet is full of ... https://thebhwgroup.com upgrading sqlite database in android - gists · GitHub
upgrading sqlite database in android. GitHub Gist: instantly share code, ... public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) . https://gist.github.com SQLITE query on upgrade database - Mobikul
2020年11月28日 — Whenever you create your database by Room or SQLite in your Android app then you have to set a database version which is used to handle database ... https://mobikul.com SQLiteOpenHelper | Android Developers
2021年2月24日 — Called when the database needs to be upgraded. The implementation should use this method to drop tables, add tables, or do anything else it ... https://developer.android.com |