Table: `ndb.datasetpublications`#

Description#

This table lists the publications for datasets.

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: This table lists the publications for datasets.

Statistics#

Metric	Value
Row Count	69,463
Total Size	23 MB
Table Size	4016 kB
Indexes Size	19 MB

Relationships#

Primary Key: datasetid, publicationid

Foreign Keys:

datasetid → datasets.datasetid
publicationid → publications.publicationid

Referenced By:

TODO: Document which tables reference this table (will be auto-detected in validation).

Data Dictionary#

Column	Type	Nullable	Default	Constraints	Description
`datasetid`	integer	✗	`-`	PRIMARY KEY, FOREIGN KEY	Dataset identification number. Field links to Dataset table.
`publicationid`	integer	✗	`-`	PRIMARY KEY, FOREIGN KEY	Publication identification number. Field links to Publications table.
`primarypub`	boolean	✓	`-`	-	Is «True» if the publication is the primary publication for the dataset.
`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 datasetpublications
SELECT *
FROM datasetpublications
ORDER BY datasetid DESC
LIMIT 10;

Purpose: Retrieve the 10 most recent records from datasetpublications

Example 2: Count Records#

-- Count total records
SELECT COUNT(*) as total_records
FROM datasetpublications;

Purpose: Get the total number of records in datasetpublications

Example 3: Filter by Date Range#

-- Get records within a date range
SELECT *
FROM datasetpublications
WHERE recdatecreated >= '2024-01-01'
  AND recdatecreated < '2025-01-01'
ORDER BY recdatecreated DESC;

Purpose: Retrieve records from datasetpublications within a specific date range

Example 4: Join with datasets#

-- Join with related table
SELECT 
    t1.*,
    t2.*
FROM datasetpublications t1
INNER JOIN datasets t2 
    ON t1.datasetid = t2.datasetid
LIMIT 100;

Purpose: Retrieve datasetpublications records with related data from datasets

Example 5: Aggregate Data#

-- Aggregate records by publicationid
SELECT 
    publicationid,
    COUNT(*) as count
FROM datasetpublications
GROUP BY publicationid
ORDER BY count DESC
LIMIT 10;

Purpose: Count records grouped by publicationid

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

Table: ndb.datasetpublications#