Columns
| Column | Type | Size | Nulls | Auto | Default | Children | Parents | Comments | ||
|---|---|---|---|---|---|---|---|---|---|---|
| GRAT_ID | INT UNSIGNED | 10 | √ | null |
|
|
Unique ID (primary key) for entries in the GRAT table |
|||
| GRAG_ID | INT UNSIGNED | 10 | √ | null |
|
|
||||
| GRAT_SIZE | FLOAT | 12 | √ | null |
|
|
Sieve or particle size in mm |
|||
| GRAT_PERP | FLOAT | 12 | √ | null |
|
|
Percentage passing/finer than sieve size (%) |
Indexes
| Constraint Name | Type | Sort | Column(s) |
|---|---|---|---|
| PRIMARY | Primary key | Asc | GRAT_ID |
| GRAG_ID | Performance | Asc | GRAG_ID |
Relationships
Close relationships within degrees of separation
