![]() Sqlite> SELECT tbl_name FROM sqlite_master WHERE type = 'table' Īssuming you have only COMPANY table in your testDB.db, this will produce the following result. Finally, the above SELECT statement will give the following result.Īs all the dot commands are available at SQLite prompt, hence while programming with SQLite, you will use the following SELECT statement with sqlite_master table to list down all the tables created in your database. ![]() width command sets the first column width to 10, the second column width to 20 and the third column width to 10. Second, add a search condition in the WHERE clause to identify the rows to remove. Provided by: sqlite33.8.2-1ubuntu2amd64 NAME sqlite3 - A command line interface for SQLite version 3 SYNOPSIS sqlite3 options databasefile SQL SUMMARY sqlite3 is a terminal-based front-end to the SQLite library that can evaluate queries interactively and display the results in multiple formats. For example, the following UPDATE statement changes all email addresses of all employees to lowercase: UPDATE employees SET email LOWER ( firstname '. What you can do is, you can set column displayable column width using. The syntax of the SQLite DELETE statement is as follows: DELETE FROM table WHERE searchcondition Code language: SQL (Structured Query Language) (sql) In this syntax: First, specify the name of the table which you want to remove rows after the DELETE FROM keywords. To update all rows in the employees table, you skip the WHERE clause. mode column which happens because of default width of the column to be displayed. Sometimes, you will face a problem related to the truncated output in case of. The above query will produce the following result. Sqlite> SELECT ID, NAME, SALARY FROM COMPANY If you want to fetch only selected fields of COMPANY table, then use the following query − Here, the first three commands have been used to set a properly formatted output.įinally, you will get the following result. ![]() If you want to fetch all the fields available in the field, then you can use the following syntax −Ĭonsider COMPANY table with the following records −įollowing is an example to fetch and display all these records using SELECT statement. are the fields of a table, whose values you want to fetch. SELECT column1, column2, columnN FROM table_name Syntaxįollowing is the basic syntax of SQLite SELECT statement. To establish a connection to SQLite, you need to pass the database name. Use the connect () method of the connector class with the database name. Using the classes and methods defined in the sqlite3 module we can communicate with the SQLite database. These result tables are also called result sets. import sqlite3 statement imports the sqlite3 module in the program. Set Up Data Source Using Command Line Create a JDBC data source for an SQLite database. SQLite SELECT statement is used to fetch the data from a SQLite database table which returns data in the form of a result table.
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |