| Query goal: | Find base tables that do not have any column with a timestamp type. In such tables certainly registration time is not recorded. Make sure as to whether recording registration time is necessary. |
| 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 FROM INFORMATION_SCHEMA.tables AS T 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) AND NOT EXISTS (SELECT * FROM INFORMATION_SCHEMA.columns AS C WHERE T.table_schema=C.table_schema AND T.table_name=C.table_name AND data_type IN ('timestamp without time zone', 'timestamp with time zone')) ORDER BY table_schema, table_name; |
| Collection name | Collection description |
|---|---|
| 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 . |
| Category name | Category description |
|---|---|
| Data types | Queries of this category provide information about the data types and their usage. |
| Temporal data | Queries of this category provide information about temporal (time-related) data that is kept in the database. |
| Validity and completeness | Queries of this category provide information about whether database design represents the world (domain) correctly (validity) and whether database design captures all the information about the world (domain) that is correct and relevant (completeness). |