The list of all the queries

Base table columns with SMALLINT or BOOLEAN type

Query goal: Each column should have the most appropriate data type. Developers sometimes forget to use SMALLINT type even if it is logically the best choice. Developers also sometimes forget to use BOOLEAN type and instead invent something.
Notes about the query: Query returns also information about columns that properties have been specified through a domain.
Query type: General (Overview of some aspect of the database.)
Query license: MIT License
Data source: INFORMATION_SCHEMA only
SQL query: Click on query to copy it

SELECT table_schema, table_name, column_name, data_type
FROM INFORMATION_SCHEMA.columns
WHERE data_type IN ('smallint', 'boolean') AND 
(table_schema, table_name) IN (SELECT table_schema, table_name
FROM INFORMATION_SCHEMA.tables WHERE table_type='BASE TABLE') AND 
table_schema NOT IN (SELECT schema_name
FROM INFORMATION_SCHEMA.schemata
WHERE schema_name<>'public' AND
schema_owner='postgres' AND schema_name IS NOT NULL)
ORDER BY data_type, table_schema, table_name, ordinal_position;

Collections where the query belongs to

Collection nameCollection description
Find problems by overviewQueries that results point to different aspects of database that might have problems. A human reviewer has to decide based on the results as to whether there are problems or not .

Categories where the query belongs to

Category nameCategory description
Boolean dataQueries of this category provide information about truth-values data that is kept in the database.
Data typesQueries of this category provide information about the data types and their usage.

The list of all the queries