Columns
Column | Type | Size | Nulls | Auto | Default | Children | Parents | Comments | ||
---|---|---|---|---|---|---|---|---|---|---|
id | INT | 10 | √ | null |
|
|
Primary id for this table. This uniquely identifies the row. |
|||
dataset_id | INT | 10 | null |
|
|
Foreign key to datasets. |
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nr_of_data_objects | BIGINT UNSIGNED | 20 | null |
|
|
The number of data objects contained in this dataset. |
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nr_of_data_points | BIGINT UNSIGNED | 20 | null |
|
|
The number of individual data points contained in this dataset. |
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created_on | DATETIME | 26 | √ | CURRENT_TIMESTAMP |
|
|
When the record was created. |
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updated_on | TIMESTAMP | 26 | √ | CURRENT_TIMESTAMP |
|
|
When the record was updated. This may be different from the created on date if subsequent changes have been made to the underlying record. |
Indexes
Constraint Name | Type | Sort | Column(s) |
---|---|---|---|
PRIMARY | Primary key | Asc | id |
datasetmeta_ibfk_datasets | Performance | Asc | dataset_id |