Table: ndb.elementtaxagroupmaturities#
Description#
No description available in database.
TODO: Expand this description with: - What data does this table store? - What is the business/research purpose? - How is this data collected or generated? - Are there any important caveats or data quality issues?
Table Structure#
Schema: ndb | Table Comment: No description available
Statistics#
| Metric | Value |
|---|---|
| Row Count | 42 |
| Total Size | 24 kB |
| Table Size | 8192 bytes |
| Indexes Size | 16 kB |
Relationships#
Primary Key: elementtaxagroupid, maturityid
Foreign Keys:
maturityid→elementmaturities.maturityidelementtaxagroupid→elementtaxagroups.elementtaxagroupid
Referenced By:
TODO: Document which tables reference this table (will be auto-detected in validation).
Data Dictionary#
| Column | Type | Nullable | Default | Constraints | Description |
|---|---|---|---|---|---|
elementtaxagroupid |
integer | ✗ | - |
PRIMARY KEY, FOREIGN KEY | |
maturityid |
integer | ✗ | - |
PRIMARY KEY, FOREIGN KEY | |
recdatecreated |
timestamp without time zone | ✗ | timezone('UTC'::text, now()) |
- | |
recdatemodified |
timestamp without time zone | ✗ | - |
- |
TODO: Review column descriptions and add comments where missing.
Usage Examples#
Example 1: Basic Selection#
-- Get recent records from elementtaxagroupmaturities
SELECT *
FROM elementtaxagroupmaturities
ORDER BY elementtaxagroupid DESC
LIMIT 10;
Purpose: Retrieve the 10 most recent records from elementtaxagroupmaturities
Example 2: Count Records#
Purpose: Get the total number of records in elementtaxagroupmaturities
Example 3: Filter by Date Range#
-- Get records within a date range
SELECT *
FROM elementtaxagroupmaturities
WHERE recdatecreated >= '2024-01-01'
AND recdatecreated < '2025-01-01'
ORDER BY recdatecreated DESC;
Purpose: Retrieve records from elementtaxagroupmaturities within a specific date range
Example 4: Join with elementmaturities#
-- Join with related table
SELECT
t1.*,
t2.*
FROM elementtaxagroupmaturities t1
INNER JOIN elementmaturities t2
ON t1.maturityid = t2.maturityid
LIMIT 100;
Purpose: Retrieve elementtaxagroupmaturities records with related data from elementmaturities
Example 5: Aggregate Data#
-- Aggregate records by maturityid
SELECT
maturityid,
COUNT(*) as count
FROM elementtaxagroupmaturities
GROUP BY maturityid
ORDER BY count DESC
LIMIT 10;
Purpose: Count records grouped by maturityid
TODO: Add more specific examples relevant to common research questions or operational tasks.
Data Quality Notes#
TODO: Document: - Known data quality issues - Validation rules - Expected data ranges - Update frequency and mechanisms - Any ETL processes that populate this table
Maintenance#
- Data Owner: TODO: Assign owner
- Update Frequency: TODO: Document frequency
- Last Major Schema Change: TODO: Document when schema last changed
Related Documentation#
TODO: Link to: - Related API endpoints - Data collection procedures - Analysis notebooks or reports that use this table - External ontologies or standards