Find the names of tables that are too generic. In SQL databases data/information is represented as values in columns. It is not a good style to use generic names like table, data, information, list etc. in the names of tables.
Notes
The query considers both base tables and derived tables. The query considers both names in English and in Estonian.
Type
Problem detection (Each row in the result could represent a flaw in the design)
Add meaningful context to the name. Rename the table. Give to it more descriptive name. Follow a naming convention.
Data Source
INFORMATION_SCHEMA+system catalog
SQL Query
WITH tables AS (SELECT table_schema AS schema, table_schema AS container, table_type AS suspected_object_type, table_name AS suspected_name
FROM information_schema.tables
UNION SELECT nspname, nspname, 'MATERIALIZED VIEW' AS type, relname
FROM pg_class INNER JOIN pg_namespace ON pg_class.relnamespace=pg_namespace.oid
WHERE relkind = 'm')
SELECT schema, container, suspected_object_type, suspected_name
FROM tables
WHERE (suspected_name~*'(tabel|table|andme(?!baas)|data(?!base)|info|nimekiri|loetelu|list|subform)'
OR suspected_name~*'^[^[:alpha:]]*(aruanne|aruanded|koondaruanne|koondaruanded|kommentaar(id){0,1}|seisund(id){0,1}|staatus(ed){0,1}|olek(ud){0,1}|tüüp|tüübid|tyyp|tyybid|tuup|tuubid|kategooria(d){0,1}|report(s){0,1}|comment(s){0,1}|state(s){0,1}|type(s){0,1}|category|categories|overview(s){0,1})[^[:alpha:]]*$'
OR (suspected_name~*'(vaata|_vaade|vaade_|_view|view_|päring|paring|query|kuva|näita|display|show)' AND suspected_object_type IN ('VIEW', 'MATERIALIZED VIEW')))
AND container 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 suspected_object_type, container, suspected_name;
Collections
This query belongs to the following collections:
Name
Description
Find problems about names
A selection of queries that return information about the names of database objects. Contains all the types of queries - problem detection, software measure, and general overview.
Find problems automatically
Queries, that results point to problems in the database. Each query in the collection produces an initial assessment. However, a human reviewer has the final say as to whether there is a problem or not .
Categories
This query is classified under the following categories:
Name
Description
Derived tables
Queries of this category provide information about the derived tables (views, materialized views), which are used to implement virtual data layer.
Naming
Queries of this category provide information about the style of naming.
Further reading and related materials:
Reference
The corresponding code smells in case of cleaning code are "N1: Choose Descriptive Names" and "N4: Unambiguous Names". (Robert C. Martin, Clean Code)
The corresponding code problem in case of cleaning code is "Add Meaningful Context". (Robert C. Martin, Clean Code)