|
id
INTEGER
|
12934 |
|
iadc_material_id
INTEGER
|
1694 → iadc_discovered_materials |
|
spec_type
VARCHAR
|
specification |
|
key
VARCHAR
|
spec_7 |
|
value
TEXT
|
Bottom-up stack: Top Shear, Upper VBR, Middle VBR, Lower VBR |
|
key_normalized
VARCHAR
|
spec_7 |
|
value_normalized
VARCHAR
|
bottom-up stack: top shear, upper vbr, middle vbr, lower vbr |
|
value_numeric
DOUBLE_PRECISION
|
null |
|
unit
VARCHAR
|
null |
|
created_at
TIMESTAMP
|
2026-04-30T14:00:50.781776 |
|
source_page
INTEGER
|
null |
|
source_context
TEXT
|
Bottom-up stack: Top Shear, Upper VBR, Middle VBR, Lower VBR |