Columns
| Column | Type | Size | Nulls | Auto | Children | Parents | Comments | |||
|---|---|---|---|---|---|---|---|---|---|---|
| lithology_id | int4 | 10 | √ |
|
|
Primary key (automatically incremented). |
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| date_updated | timestamptz | 35,6 | √ |
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|
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| depth_bottom | numeric(20,5) | 20,5 | √ |
|
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The depth at the bottom of the lithological layer, measured in centimeters. |
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| depth_top | numeric(20,5) | 20,5 |
|
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The depth at the top of the lithological layer, measured in centimeters. |
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| description | text | 2147483647 |
|
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A description of the lithological characteristics of the sedimentary layer. |
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| lower_boundary | varchar(255) | 255 | √ |
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Details regarding the boundary characteristics at the lower end of the lithological layer. |
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| sample_group_id | int4 | 10 |
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Identifies a sample group. linking lithology data to specific sample groups. |
Indexes
| Constraint Name | Type | Sort | Column(s) |
|---|---|---|---|
| tbl_lithology_pkey | Primary key | Asc | lithology_id |
Relationships
Close relationships within degrees of separation
