![]() ![]() In this tutorial, you have learned how to show the structure of a table in SQLite via a command-line shell program or SQL statement. WHERE name = 'albums' Code language: SQL (Structured Query Language) ( sql )Ĭode language: SQL (Structured Query Language) ( sql ) You can find the structure of a table by querying it from the sqlite_schema table as follows: SELECT sql FROM sqlite_schema The following picture shows the output: cid name type notnull dflt_value pkĢ ArtistId INTEGER 1 0 Getting the structure of a table using the SQL statement 1 try this one you got full info of tables Piyush at 7:39 3 The following is a useful GUI for sqlite if you are interested: Gives you access to view the details of the databases, tables, very quickly and has a nice query editor too. mode column Code language: SQL (Structured Query Language) ( sql )Īnd use the PRAGMA command as follows: pragma table_info( 'albums') Code language: JavaScript ( javascript ) To do it, you use the following command to format the output. INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL,įOREIGN KEY () REFERENCES "artists" ()ĬREATE INDEX ON "albums" () Code language: SQL (Structured Query Language) ( sql )Īnother way to show the structure of a table is to use the PRAGMA command. Here is the output: CREATE TABLE IF NOT EXISTS "albums" schema will consider the albums as the table name and returns nothing because the table albums does not exist. Notice that there is no semicolon ( ) after the table name. provides a viewer for exploring the database data and an editor for executing SQL commands. ![]() schema albums Code language: SQL (Structured Query Language) ( sql ) To work with SQLite database manually from the command-line. 1) Creating a view to simplify a complex query The following query gets data from the tracks, albums, mediatypes and genres tables in the sample database using the inner join clause. Execute any SQL command from a text field or a file Export table structure. schema table_name Code language: SQL (Structured Query Language) ( sql )įor example, the following command shows the statement that created the albums table. Adminer is available for MySQL, MariaDB, PostgreSQL, SQLite, MS SQL, Oracle. To find out the structure of a table via the SQLite command-line shell program, you follow these steps:įirst, connect to a database via the SQLite command-line shell program: sqlite3 c:\sqlite\db\chinook.db Code language: SQL (Structured Query Language) ( sql ) Installing DB Browser Using DB Browser to Create a New Table Adding. ![]() Getting the structure of a table via the SQLite command-line shell program DB Browser is a visual tool used to organize commands sent to SQLite. schema command.Summary: in this tutorial, you will learn about various ways to show the structure of a table in SQLite. You can get complete information about a table using the following SQLite. Here, you can see the COMPANY table twice because its showing COMPANY table for main database and test.COMPANY table for 'test' alias created for your testDB.db. tables command, which will be used to list down all the tables in an attached database. You can verify if your table has been created successfully using SQLite command. Let us create one more table, which we will use in our exercises in subsequent chapters. Exampleįollowing is an example which creates a COMPANY table with ID as the primary key and NOT NULL are the constraints showing that these fields cannot be NULL while creating records in this table. Optionally, you can specify database_name along with table_name. The unique name or identifier for the table follows the CREATE TABLE statement. Syntaxįollowing is the basic syntax of CREATE TABLE statement.Ĭolumn1 datatype PRIMARY KEY(one or more columns),ĬREATE TABLE is the keyword telling the database system to create a new table. Creating a basic table involves naming the table and defining its columns and each column's data type. SQLite CREATE TABLE statement is used to create a new table in any of the given database. ![]()
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |