android sqlite drop table
I agree when you upgrade you should be adding columns or adding tables to your database. Most of the onupgrade samples actually suck ...,Sorry, SQLite doesn't support DROP COLUMN: (11) How do I add or delete columns from an existing table in SQLite. SQLite has limited ALTER TABLE support ... ,4 Answers. Hard to answer without more context, but the ultimate sqlite query would be: db.execSQL("DROP TABLE IF EXISTS table_name"); Where db is a reference to a SqliteDatabase object. , open Database before dropping table... private static final String DROP_CERTIFICATION_CATEGORIES_TABLE = "DROP TABLE IF EXISTS ...,How do I delete an entire database in Android? I need to make the whole thing go away so I can test database creation. I can drop tables, but that's not enough. , Create a string as shown below: public static final String DROP_TABLE_NAME = "DROP TABLE IF EXISTS" + TABLE_NAME;. Call this as ...,Use DROP TABLE : // query to obtain the names of all tables in your database Cursor c = db.rawQuery("SELECT name FROM sqlite_master WHERE ... , You could do following: delete the row You want to delete: public boolean deleteRow(int id) return db.delete(YOUR_TABLE, ROW_ID + "=" + ..., The problem seems to be with this statement: DROP TABLE IF EXISTS 122. where 122 , if it is really the name of the table to drop, is not ...
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 android sqlite drop table 相關參考資料
Android SQLite Database, WHY drop table and recreate on upgrade ...
I agree when you upgrade you should be adding columns or adding tables to your database. Most of the onupgrade samples actually suck ... https://stackoverflow.com How do I delete column from sqlite table in android? - Stack Overflow
Sorry, SQLite doesn't support DROP COLUMN: (11) How do I add or delete columns from an existing table in SQLite. SQLite has limited ALTER TABLE support ... https://stackoverflow.com In java, how can I delete a sqlite table? - Stack Overflow
4 Answers. Hard to answer without more context, but the ultimate sqlite query would be: db.execSQL("DROP TABLE IF EXISTS table_name"); Where db is a reference to a SqliteDatabase object. https://stackoverflow.com DROP TABLE IF EXISTS not working in SQLite android - Stack Overflow
open Database before dropping table... private static final String DROP_CERTIFICATION_CATEGORIES_TABLE = "DROP TABLE IF EXISTS ... https://stackoverflow.com How to delete SQLite database from Android programmatically ...
How do I delete an entire database in Android? I need to make the whole thing go away so I can test database creation. I can drop tables, but that's not enough. https://stackoverflow.com Android SQLite Drop Table - Stack Overflow
Create a string as shown below: public static final String DROP_TABLE_NAME = "DROP TABLE IF EXISTS" + TABLE_NAME;. Call this as ... https://stackoverflow.com Delete all tables from sqlite database - Stack Overflow
Use DROP TABLE : // query to obtain the names of all tables in your database Cursor c = db.rawQuery("SELECT name FROM sqlite_master WHERE ... https://stackoverflow.com SQLite Drop and Recreate Table - Stack Overflow
You could do following: delete the row You want to delete: public boolean deleteRow(int id) return db.delete(YOUR_TABLE, ROW_ID + "=" + ... https://stackoverflow.com error in sqlite "DROP TABLE IF EXISTS" android - Stack Overflow
The problem seems to be with this statement: DROP TABLE IF EXISTS 122. where 122 , if it is really the name of the table to drop, is not ... https://stackoverflow.com |