android studio sqlite delete all rows

相關問題 & 資訊整理

android studio sqlite delete all rows

You can try like this: //---deletes a particular title--- public boolean deleteTitle(String name) return db.delete(DATABASE_TABLE, KEY_NAME ..., Your delete() function only deletes rows with the given id . If you want to delete all rows, then just do sqLiteDatabase.delete("item", null ,null);.,Just forget about second method! Your ids are all strings from numbers (otherwise SQL would fail), but for generic string data, passing data into SQL statements ... ,Just do: db.delete(DATABASE_TABLE, null, null);. Note that using rawQuery should work, but can be a potential security risk. EDIT: About the problem you have ... ,You can simply use sql query to delete. public void delete(String id) db.execSQL("delete from "+TBL_NAME+" where Google='"+id+"'"); }. In your query you are ... , Try using this code to delete all rows in a table : database.delete(tablename, null,null);.,db.delete(TABLE_NAME, null, null); is the correct syntax to delete all rows in a table. But I think you would have given table name directly without enclosing it in ... ,, Using DatabaseHelper you can do like this: dbHelper = new DatabaseHelper(context); database = dbHelper.getWritableDatabase(); public ...,SQLite DELETE Query - Learn SQLite in simple and easy steps starting from ... use WHERE clause with DELETE query to delete the selected rows, otherwise all ...

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android studio sqlite delete all rows 相關參考資料
Deleting Row in SQLite in Android - Stack Overflow

You can try like this: //---deletes a particular title--- public boolean deleteTitle(String name) return db.delete(DATABASE_TABLE, KEY_NAME ...

https://stackoverflow.com

delete all rows from sql in android studio - Stack Overflow

Your delete() function only deletes rows with the given id . If you want to delete all rows, then just do sqLiteDatabase.delete("item", null ,null);.

https://stackoverflow.com

Delete multiple rows in SQLITE (android) - Stack Overflow

Just forget about second method! Your ids are all strings from numbers (otherwise SQL would fail), but for generic string data, passing data into SQL statements ...

https://stackoverflow.com

Remove all table rows from SQLite database table - Stack Overflow

Just do: db.delete(DATABASE_TABLE, null, null);. Note that using rawQuery should work, but can be a potential security risk. EDIT: About the problem you have ...

https://stackoverflow.com

How to delete a row from a table in SQLite android? - Stack Overflow

You can simply use sql query to delete. public void delete(String id) db.execSQL("delete from "+TBL_NAME+" where Google='"+id+"'"); }. In your query you are&nbsp...

https://stackoverflow.com

How to delete all items from table in SQLite, Android? - Stack ...

Try using this code to delete all rows in a table : database.delete(tablename, null,null);.

https://stackoverflow.com

How to Delete All Items From SQLite in Android - Stack Overflow

db.delete(TABLE_NAME, null, null); is the correct syntax to delete all rows in a table. But I think you would have given table name directly without enclosing it in ...

https://stackoverflow.com

How to delete all record from table in sqlite with Android ...

https://stackoverflow.com

What is the best way in Android to delete all rows from a table - Stack ...

Using DatabaseHelper you can do like this: dbHelper = new DatabaseHelper(context); database = dbHelper.getWritableDatabase(); public ...

https://stackoverflow.com

SQLite DELETE Query - Tutorialspoint

SQLite DELETE Query - Learn SQLite in simple and easy steps starting from ... use WHERE clause with DELETE query to delete the selected rows, otherwise all ...

https://www.tutorialspoint.com