SQL Queries to Export Database Schema for SQL Server, MySQL, PostgreSQL, and Oracle

how-to

Exporting database schema is depends on the database type you are using. The queries export the following information (sample output is shown below):

SchemaTableColumnTypeLengthNullableDefault
publicUseridtextNullNoNull

The following queries show how to export database schema for the most popular databases (if you spot any mistake in the queries, please let us know):

SQL Server

SELECT
  TABLE_SCHEMA AS [Schema],
  TABLE_NAME AS [Table],
  COLUMN_NAME AS [Column],
  DATA_TYPE AS [Type]
FROM
INFORMATION_SCHEMA.COLUMNS
-- AND TABLE_CATALOG='YOUR_TABLE_CATALOG' (if you are using table catalog)
WHERE
  TABLE_SCHEMA = 'YOUR_DATABASE_NAME'

MySQL

SELECT
  TABLE_SCHEMA AS 'Schema',
  TABLE_NAME AS 'Table',
  COLUMN_NAME AS 'Column',
  DATA_TYPE AS 'Type'
FROM
  INFORMATION_SCHEMA.COLUMNS
WHERE
  TABLE_SCHEMA = "YOUR_DATABASE_NAME"

PostgreSQL

SELECT
  TABLE_SCHEMA AS "Schema",
  TABLE_NAME AS "Table",
  COLUMN_NAME AS "Column",
  DATA_TYPE AS "Type"
FROM
  INFORMATION_SCHEMA.COLUMNS
WHERE
  TABLE_SCHEMA = 'public'
  -- OR TABLE_SCHEMA = 'YOUR_DATABASE_NAME' (depending on setup)

Oracle

SELECT
  TABLE_SCHEMA AS 'Schema',
  TABLE_NAME AS 'Table',
  COLUMN_NAME AS 'Column',
  DATA_TYPE AS 'Type'
FROM
  INFORMATION_SCHEMA.COLUMNS
WHERE
  TABLE_SCHEMA = "YOUR_DATABASE_NAME"

Importing it into AI Bot

After exporting your database schema, export it as a CSV file and you can import it into AI Bot (Click the Settings button). After importing it, you can use it as autosuggestion for your AI Bot by typing / (slash) in the query editor.

References