Goal Find base tables that have more than one column with Boolean type.
Type General (Overview of some aspect of the database.)
License MIT (opens in new tab)
Data Source INFORMATION_SCHEMA only
SQL Query
SELECT table_schema, table_name, Count(*) AS nr_of_boolean_columns
FROM INFORMATION_SCHEMA.columns
WHERE data_type~*'bool'
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)
GROUP BY table_schema, table_name
HAVING Count(*)>1
ORDER BY Count(*) DESC;

Collections

This query belongs to the following collections:

Find problems by overview

Queries 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 .

NameDescription
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

This query is classified under the following categories:

Boolean data

Queries of this category provide information about truth-values data that is kept in the database.

Data types

Queries of this category provide information about the data types and their usage.

NameDescription
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.