Sqlite tutorial sample database how to#
Sqlite tutorial sample database update#
Sqlite tutorial sample database code#

Control the query execution flow, supporting both serialized and parallel modes.The sqlite3 module is actively maintained and provides a rich set of features:

Sqlite tutorial sample database how to#

In addition, you will learn how to execute SQL statements in serialized mode or in parallel mode. After the tutorial, you will know how to open a database connection and perform common database operations such as select, insert, update, and delete. In this tutorial, you have learned how to dump data into a text file using the SQLite dump command and other commands.In this section, you will learn how to interact with SQLite databases from a Node.js application using the sqlite3 module. To dump data from other tables, you need to issue the SELECT statements to query data from those tables.

Sqlite tutorial sample database code#

sqlite> select * from artists Code language: SQL (Structured Query Language) ( sql )Ĭheck the content of the data.sql file, if everything is fine, you will see the following output: The following command returns data from the artists table. Third, issue the SELECT statements to query data from a table that you want to dump. The following command sets the output file to the data.sql file. Second, set the output to a text file instead of the default standard output. mode insert Code language: CSS ( css )įrom now on, every SELECT statement will issue the result as the INSERT statements instead of pure text data. To dump the data of a table into a text file, you use these steps:įirst, set the mode to insert using the. Dump data of one or more tables into a file

The following picture shows the content of the chinook_structure.sql file. The following commands set the output file to chinook_structure.sql file and save the table structures into the chinook_structure.sql file: sqlite>. To dump the table structures in a database, you use the. Dump tables structure only using schema command The following picture shows the contents of the albums.sql file. quit Code language: JavaScript ( javascript ) For example, the following command saves the albums table to the albums.sql file. To dump a specific table, you specify the table name after the. exit Code language: JavaScript ( javascript ) Dump a specific table using the SQLite dump command The following commands specify the output of the dump file to chinook.sql and dump the chinook database into the chinook.sql file. To issue the output to a file, you use the. dump command outputs the SQL statements on screen. dump command converts the entire structure and data of an SQLite database into a single text file.īy default, the. To dump a database into a file, you use the. Sqlite> Code language: JavaScript ( javascript ) The following command opens a new SQLite database connection to the chinook.db file. Dump the entire database into a file using the SQLite dump command

dump command that gives you the ability to dump the entire database or tables into a text file. Also, you can use special commands, which are known as dot commands to perform various useful database operations.

Sqlite tutorial sample database update#

SQLite project delivers the sqlite3 tool that allows you to interact with the SQLite database using a command-line program.īy using the sqlite3 tool, you can use the SQL statements to query or update data in the database. Summary: in this tutorial, you will learn how to use the SQLite dump command to back up and restore a database.