How Can I Get Detailed Table Information in SQLite Beyond PRAGMA table_info?

How to Display Detailed Table Information in SQLite

In MySQL, the DESCRIBE command provides comprehensive information about a table's structure and columns. However, in SQLite, the equivalent PRAGMA table_info command offers limited details.

To obtain a more comprehensive description of a table in SQLite, you can utilize the .schema command from the command line utility:

.schema [TABLENAME]

This command will display the CREATE TABLE statement used to define the specified table. This statement includes details such as:

• Column names
• Data types
• Constraints (e.g., NOT NULL, PRIMARY KEY)
• Index definitions
• Foreign key relationships (if any)

For example, consider the following SQLite table:

CREATE TABLE users (
  id INTEGER PRIMARY KEY AUTOINCREMENT,
  username TEXT NOT NULL
  email TEXT UNIQUE
);

Using the .schema command, you can obtain the following output:

CREATE TABLE users (
  id INTEGER PRIMARY KEY AUTOINCREMENT,
  username TEXT NOT NULL,
  email TEXT UNIQUE
);

This provides a more detailed description of the table, including information about the primary key, unique index, and column data types. This information can be invaluable for understanding the structure and relationships within an SQLite database.

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