Our system was suffering this problem, and it definitely wasn't a permissions issue, since the program itself would be able to open the database as writable from many threads most of the time, but occasionally (only on Windows, not on OSX), a thread would get these errors even though all the other threads in the program were having no difficulties. ** defensive mode, and the current sqlite3_prepare() ** 3) The table is a shadow table, the database connection is in ** part of a nested parse and writable_schema pragma has not ** 1) It is a virtual table and no implementation of the xUpdate method ** A table is read-only if any of the following are true: In SQLite source code we can see a function named tabIsReadOnly with this comment: /* Return true if table pTab is read-only. So I think our friend user143482 is trying to acesse a "read only" table. So, it's seems hard to belive this can be a "chmod" problem, because if the file is read only, even creating table would be impossible as SQLite would be unable to write the "sqlite_master" data. In this db file we have of course the user tables but also the system tables so "sqlite_master" for example which contain the definiton of the tables. When I look at the data on the flash of the ESP I notice there is only one file for the whole db (there is also a temp file). I'm using SQLite on ESP32 and all answers here are "very strange". Why is one of my tables not being populated if I use DataMapper's "has n" and "belongs_to" methods?.Can not update the data of SQLite database in Android.How to insert a json text file to a sqlite in python?.Ruby On Rails SQLite errors when creating new project.SQLite: primary key and sqlitedatabase.insert.How do we know when our application data get cleared in android?.Why are my strings accepted into int values in sql db?.Inserting and updating data on multiple table on SQLite database.How to implement "Load More Records" in TableView in iPhone SDK?.Possible app rejection by syncing zipped sqlite database in iOS.SQLITE SELECT a Date Integer column IF all records for that Date are NULL in another parameter.Converting Cursor into generic object android.How to auto generate date(Week End) and 0 values.Knex - Can sqlite batch inserts be compiled to the new syntax instead of `union all`?.how to parse and change values in sqlite.Avoiding locked SQLite database timeouts with PHP/PDO.Fluent nHibernate Startup still slow even with persistent configuration optimization.SQLite SELECT query in php only retrieves first row of database and combines numbers in wrong manner.How to get list of all the tables in sqlite programmatically.Overwrite a table using results from a query.SQL to select randomly intercalated grouped results.How to delete a CardView with a swipe correctly? (SQLite database used).Problem with inserting data in database andoid studio.
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