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The column name found in to open a database connection to a database that resides in RAM instead of on disk.When a database is accessed by multiple connections, and one of the processes modifies the database, the SQLite database is locked until that transaction is committed.The contains one or more complete SQL statements terminated by semicolons.
It’s also possible to prototype an application using SQLite and then port the code to a larger database such as Postgre SQL or Oracle. It provides a SQL interface compliant with the DB-API 2.0 specification described by Usually your SQL operations will need to use values from Python variables.You shouldn’t assemble your query using Python’s string operations because doing so is insecure; it makes your program vulnerable to an SQL injection attack (see https://xkcd.com/327/ for humorous example of what can go wrong). Put module parse the declared type for each column it returns.It will parse out the first word of the declared type, i. for “integer primary key”, it will parse out “integer”, or for “number(10)” it will parse out “number”.Then for that column, it will look into the converters dictionary and use the converter function registered for that type there. Setting this makes the SQLite interface parse the column name for each column it returns.It will look for a string formed [mytype] in there, and then decide that ‘mytype’ is the type of the column.