# tag_correlation

0 rows

### Description

The rationale for the ‘tag_correlation’ table is performance. It works as a cache for a potentially heavy load query done at the ‘tag_instance’ table. So, the ‘tag_correlation’ table stores redundant information derived from the ‘tag_instance’ table

### Columns

Column | Type | Size | Nulls | Auto | Default | Children | Parents | Comments
--- | --- | --- | --- | --- | --- | --- | --- | ---
id | BIGINT | 19 |  | √ | null |  |  |
tagid | BIGINT | 19 |  |  | null |  |
tag.id | tagcorr_tag2_fkR
correlatedtags | LONGTEXT | 2147483647 |  |  | null |  |  |

### Indexes

Constraint Name | Type | Sort | Column(s)
--- | --- | --- | ---
PRIMARY | Primary key | Asc | id
tagcorr_tag_ix | Performance | Asc | tagid

### Relationships