PostgreSQL Query Catalog

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Filter Queries

Found 1038 queries.

  • All the queries about database objects contain a subcondition to exclude from the result information about the system catalog.
  • Although the statements use SQL constructs (common table expressions; NOT in subqueries) that could cause performance problems in case of large datasets it shouldn't be a problem in case of relatively small amount of data, which is in the system catalog of a database.
  • Statistics about the catalog content and project home in GitHub that has additional information.

# Name Goal ▲ Type Data source Last update License
601 Different search paths of SECURITY DEFINER functions Find the different search paths used in case of SECURITY DEFINER functions and the number of their occurrences. Make sure that these have been specified correctly and consistently and that they do not refer to any non-existent schemas. General INFORMATION_SCHEMA+system catalog base tables 2025-11-07 10:11 MIT License View
602 The number and percentage of base tables without CHECK constraints Find the extent in which data integrity is checked at the database level. Find the number and percentage of base tables that do not have any associated CHECK constraints. Sofware measure INFORMATION_SCHEMA only 2025-11-07 10:11 MIT License View
603 The number and percentage of base tables without keys Find the extent in which repeating rows are permitted in the database. Find the number and percentage (from the total number of base tables) of base tables that do not have the PRIMARY KEY constraint and also do not have any UNIQUE constraints. Sofware measure INFORMATION_SCHEMA only 2025-11-07 10:11 MIT License View
604 The longest referential paths Find the longest referential paths between the tables regardless of the schema that contain the tables. Sofware measure system catalog base tables only 2025-11-07 10:11 MIT License View
605 Names of database objects that contain a digit Find the names (identifiers) of user-defined database objects that contain at least one digit. Names should be informative. Duplicates should be avoided. Digits in names are a possible sign of duplication of database objects or unclear names. General INFORMATION_SCHEMA+system catalog base tables 2025-11-07 10:11 MIT License View
606 Too generic names (columns) Find the names of columns that are too generic. In SQL databases data/information is represented as values in columns. It is not a good style to use generic words like data, information, column, etc. In the names of columns. Moreover, avoid too generic column names like: id, tyyp, kood, aeg, kp,type, code, time, date, fk, pk. Problem detection INFORMATION_SCHEMA+system catalog base tables 2025-11-07 10:11 MIT License View
607 Stating the obvious (column names) Find the names of columns where the name of the column contains a part of the name of the data type of the column. For instance, the query finds columns, were the name contains fragments integer_ or _integer. Problem detection INFORMATION_SCHEMA only 2025-11-07 10:11 MIT License View
608 System-generated table constraint names (constraints that involve one column) Find the names of database constraints that have been system-generated. Additional restrictions are that the constraints must involve only one column and are associated directly with a table (not through a domain). Names should follow the same style. If there is a mix of system-generated and user-defined names, then the style is most probably different. Problem detection system catalog base tables only 2025-11-07 10:11 MIT License View
609 Perhaps 0 instead of o Find the names of database objects where 0 sign is perhaps used instead of o. Problem detection INFORMATION_SCHEMA+system catalog base tables 2025-11-07 10:11 MIT License View
610 Names of database objects with perhaps too many digits Find the names of database objects where more than half the signs are digits. Problem detection INFORMATION_SCHEMA+system catalog base tables 2025-11-07 10:11 MIT License View
611 Stating the obvious (2) Find the names of database objects where the name of the database object contains a part of the name of the object type. For instance, the query finds base tables, were the name contains fragments _base, base_, _table, or table_. Problem detection INFORMATION_SCHEMA+system catalog base tables 2025-11-07 10:11 MIT License View
612 Naming of declarative base table constraints Find the names of declarative base table constraints. Naming of constraints must be consistent. For instance, do not mix system-defined and user-defined names. General INFORMATION_SCHEMA+system catalog base tables 2025-11-07 10:11 MIT License View
613 Naming of tables Find the names of different types (base table, foreign table, view, materialized view) of tables. Naming of tables must be consistent. For instance, do not mix names in plural and singular form within the same table type. General INFORMATION_SCHEMA+system catalog base tables 2025-11-07 10:11 MIT License View
614 System-generated domain CHECK constraint names Find the names of domain CHECK constraints that have been system-generated. Names should follow the same style. If there is a mix of system-generated and user-defined names, then the style is most probably different. Problem detection INFORMATION_SCHEMA only 2025-11-07 10:11 MIT License View
615 Perhaps a too generic foreign key column name Find the names of foreign key columns that are too generic. The expressive names of table columns allow database users better and more quickly understand the meaning of data in the database. A person could participate in a process or be associated with an object due to different reasons. Thus, foreign key column names like isik_id, person_id, tootaja_id, worker_id etc. are too generic. The name should refer (also) to the reason why the person is connected. Problem detection system catalog base tables only 2025-11-07 10:11 MIT License View
616 Too generic names (parameters) Find the names of parameters that are too generic. The routines work with data/information. Thus, it is not a good style to use generic words like data, information, parameter, etc. In the names of parameters. Moreover, avoid too generic parameter names like: id, tyyp, kood, aeg, kp,type, code, time, date, fk, pk, param. Problem detection INFORMATION_SCHEMA+system catalog base tables 2025-11-07 10:11 MIT License View
617 Perhaps primary key columns could be renamed Find the names of simple primary key columns that name does not follow the pattern _id or _code but it is quite similar. Problem detection system catalog base tables only 2025-11-07 10:11 MIT License View
618 The same CHECK has a different name in different places Find the names of table CHECK constraints that have the same Boolean expression but a different naming style in different places (tables). The naming of constraints should be consistent. "If you do something a certain way, do all similar things in the same way." (Robert C. Martin, Clean Code)x Problem detection system catalog base tables only 2025-11-07 10:11 MIT License View
619 Name starts or ends with spaces Find the names of user-defined database objects (must be delimited identifiers) that start or end with spaces. Problem detection INFORMATION_SCHEMA+system catalog base tables 2025-11-07 10:11 MIT License View
620 Derived table names have prefix or suffix Find the names of views and materialized views that have prefix or suffix. Follow the same naming style as in case of base tables (derived tables are also tables). Thus, if base tables do not have prefixes or suffixes, then derived tables shouldn't have these as well. Problem detection system catalog base tables only 2025-11-07 10:11 MIT License View