1/27/2024 0 Comments Sqlite 3 table definitions![]() ![]() Benefits of Exploring Schemas with SQLite Show Tables ![]() ![]() We can see the column names, types, and constraints for the posts table. schema postsĪnd get column details using PRAGMA: sqlite> PRAGMA table_info(posts) tablesĬheck the schema for the posts table: sqlite>. Let’s look at examples of using these SQLite Show Tables commands in a sample database.įirst, create a simple database with two tables using SQLite statements: CREATE TABLE users ( tables command, and exits.Īlso read: SQLite Commands – A Comprehensive Guide Examples of SQLite Show Tables This will start the interactive shell and allow you to enter commands.Īlternatively, you can execute SQL statements directly using sqlite3: $ sqlite3 database.db ".tables" To use these SQLite show table commands, you first need to open a connection to a database using the sqlite3 command line program: $ sqlite3 database.dbĮnter SQL statements terminated with a " " pk – 1 if column is part of the primary key.notnull – 1 if column has a NOT NULL constraint.type – Data type (TEXT, INTEGER, DATE, etc).This will return rows containing the column name, data type, whether NULL is allowed, and other properties of each column in a table: PRAGMA table_info(posts) cid|name|type|notnull|dflt_value|pk Get Column Details with PRAGMA table_info()įor even more detailed information on a table’s columns, you can query the sqlite_master database using PRAGMA table_info(). This provides useful insight into the columns, data types, constraints, and indexes that make up a table. This will display the CREATE TABLE statement used to generate the table. To see the schema of a table, you need to use the. View CREATE Statement with SQLite Show Tables. The % wildcard allows matching any number of trailing characters. This example would match all tables starting with “post”. You can also filter the list only to show tables matching a specified pattern using. tables sqlite_master which will filter system views. This will output a list of all table and view names in the current database: usersīy default. The most straightforward to use SQLite Show Tables to display tables from a database is using the. List All Tables using SQLite Show Tables. Let’s look at each of these in more depth, along with examples. Show detailed information on a table’s columns List names of all tables and views in the databaseĭisplay CREATE statement used to generate a table The main commands for showing tables and schemas in SQLite are: Command ![]()
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