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First, we need to create a new database and opena database connection to allow sqlite3 to work with it.Call sqlite3.connect() to create a connection tothe database tutorial.db in the current working directory,implicitly creating it if it does not exist:

Pass this flag value to the detect_types parameter ofconnect() to look up a converter function usingthe declared types for each column.The types are declared when the database table is created.sqlite3 will look up a converter function using the first word of thedeclared type as the converter dictionary key.For example:

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Integer constant required by the DB-API 2.0, stating the level of threadsafety the sqlite3 module supports. This attribute is set based onthe default threading mode theunderlying SQLite library is compiled with. The SQLite threading modes are:

Deprecated since version 3.12, will be removed in version 3.14: This constant used to reflect the version number of the pysqlitepackage, a third-party library which used to upstream changes tosqlite3. Today, it carries no meaning or practical value.

Please consult the SQLite documentation about the possible values for the firstargument and the meaning of the second and third argument depending on the firstone. All necessary constants are available in the sqlite3 module.

The only argument passed to the callback is the statement (asstr) that is being executed. The return value of the callback isignored. Note that the backend does not only run statements passed to theCursor.execute() methods. Other sources include thetransaction management of thesqlite3 module and the execution of triggers defined in the currentdatabase.

The sqlite3 module is not built with loadable extension support bydefault, because some platforms (notably macOS) have SQLitelibraries which are compiled without this feature.To get loadable extension support,you must pass the --enable-loadable-sqlite-extensions optionto configure.

Controls the legacy transaction handling mode of sqlite3.If set to None, transactions are never implicitly opened.If set to one of "DEFERRED", "IMMEDIATE", or "EXCLUSIVE",corresponding to the underlying SQLite transaction behaviour,implicit transaction management is performed.

Control how a row fetched from this Cursor is represented.If None, a row is represented as a tuple.Can be set to the included sqlite3.Row;or a callable that accepts two arguments,a Cursor object and the tuple of row values,and returns a custom object representing an SQLite row.

This exception is not currently raised by the sqlite3 module,but may be raised by applications using sqlite3,for example if a user-defined function truncates data while inserting.Warning is a subclass of Exception.

Exception raised for sqlite3 API programming errors,for example supplying the wrong number of bindings to a query,or trying to operate on a closed Connection.ProgrammingError is a subclass of DatabaseError.

The type system of the sqlite3 module is extensible in two ways: you canstore additional Python types in an SQLite database viaobject adapters,and you can let the sqlite3 module convert SQLite types toPython types via converters.

By default, sqlite3 uses str to adapt SQLite valueswith the TEXT data type.This works well for UTF-8 encoded text, but it might fail for other encodingsand invalid UTF-8.You can use a custom text_factory to handle such cases.

sqlite3 offers multiple methods of controlling whether,when and how database transactions are opened and closed.Transaction control via the autocommit attribute is recommended,while Transaction control via the isolation_level attributeretains the pre-Python 3.12 behaviour.

sqlite3 ensures that a transaction is always open,so connect(), Connection.commit(), and Connection.rollback()will implicitly open a new transaction(immediately after closing the pending one, for the latter two).sqlite3 uses BEGIN DEFERRED statements when opening transactions.

See the How To Compile SQLite page for additional informationon how to use the raw SQLite source code.Note that a recent version of Tclis required in order to build from the repository sources.The amalgamation source code files(the "sqlite3.c" and "sqlite3.h" files) build products and arenot contained in raw source code tree.

sqlite3 v5+ was rewritten to use Node-API so prebuilt binaries do not need to be built for specific Node versions. sqlite3 currently builds for both Node-API v3 and v6. Check the Node-API version matrix to ensure your Node version supports one of these. The prebuilt binaries should be supported on Node v10+.

The module uses prebuild-install to download the prebuilt binary for your platform, if it exists. These binaries are hosted on GitHub Releases for sqlite3 versions above 5.0.2, and they are hosted on S3 otherwise. The following targets are currently provided:

If building against an external sqlite3 make sure to have the development headers available. Mac OS X ships with these by default. If you don't have them installed, install the -dev package with your package manager, e.g. apt-get install libsqlite3-dev for Debian/Ubuntu. Make sure that you have at least libsqlite3 >= 3.6.

Running sqlite3 through electron-rebuild does not preserve the SQLCipher extension, so some additional flags are needed to make this build Electron compatible. Your npm install sqlite3 --build-from-source command needs these additional flags (be sure to replace the target version with the current Electron version you are working with):

The SQLite project provides a simple command-line program namedsqlite3 (or sqlite3.exe on Windows)that allows the user to manually enter and execute SQLstatements against an SQLite database or against aZIP archive. This document provides a briefintroduction on how to use the sqlite3 program.

Start the sqlite3 program by typing "sqlite3" at thecommand prompt, optionally followedby the name of the file that holds the SQLite database(or ZIP archive). If the namedfile does not exist, a new database file with the given name will becreated automatically. If no database file is specified on thecommand-line, a temporary database is created and automatically deleted whenthe "sqlite3" program exits.

Make sure you type a semicolon at the end of each SQL command!The sqlite3 program looks for a semicolon to know when your SQL command iscomplete. If you omit the semicolon, sqlite3 will give you acontinuation prompt and wait for you to enter more text tocomplete the SQL command. This feature allows you toenter SQL commands that span multiple lines. For example:

Windows users can double-click on the sqlite3.exe icon to causethe command-line shell to pop-up a terminal window running SQLite. However,because double-clicking starts the sqlite3.exe without command-line arguments,no database file will have been specified, so SQLite will use a temporarydatabase that is deleted when the session exits.To use a persistent disk file as the database, enter the ".open" commandimmediately after the terminal window starts up:

Most of the time, sqlite3 just reads lines of input and passes themon to the SQLite library for execution.But input lines that begin with a dot (".")are intercepted and interpreted by the sqlite3 program itself.These "dot commands" are typically used to change the output formatof queries, or to execute certain prepackaged query statements.There were originally just a few dot commands, but over the yearsmany new features have accumulated so that today there are over 60.

The dot-commandsare interpreted by the sqlite3.exe command-line program, not bySQLite itself. So none of the dot-commands will work as an argumentto SQLite interfaces such as sqlite3_prepare() or sqlite3_exec().

The sqlite3 program provides several convenience commands thatare useful for looking at the schema of the database. There isnothing that these commands do that cannot be done by some othermeans. These commands are provided purely as a shortcut.

The ".databases" command shows a list of all databases open inthe current connection. There will always be at least 2. The firstone is "main", the original database opened. The second is "temp",the database used for temporary tables. There may be additionaldatabases listed for databases attached using the ATTACH statement.The first output column is the name the database is attached with,and the second result column is the filename of the external file.There may be a third result column which will be either "'r/o'" or"'r/w'" depending on whether the database file is read-only or read-write.And there might be a fourth result column showing the result ofsqlite3_txn_state() for that database file.

The ".open" command opens a new database connection, after first closing thepreviously opened database command. In its simplest form, the ".open" command merelyinvokes sqlite3_open() on the file named as its argument. Use the name ":memory:"to open a new in-memory database that disappears when the CLI exits or when the".open" command is run again.Or use no name to open a private, temporary on-disk database whichwill also disappear upon exit or use of ".open".

The --deserialize option causes the entire content of the on-disk file to beread into memory and then opened as an in-memory database using thesqlite3_deserialize() interface. This will, of course, require a lot of memoryif you have a large database. Also, any changes you make to the database will notbe saved back to disk unless you explicitly save them using the ".save" or ".backup"commands.

By default, sqlite3 sends query results to standard output. Youcan change this using the ".output" and ".once" commands. Just putthe name of an output file as an argument to .output and all subsequentquery results will be written to that file. Or use the .once commandinstead of .output and output will only be redirected for the single nextcommand before reverting to the console. Use .output with no arguments tobegin writing to standard output again. For example: ff782bc1db