docs-en:spell_required.md [AzerothCore CN]

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# spell\_required

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**The \`spell\_required\` table**

Table used to add restrictions for learning spells from trainer. Player can't learn spell 'spell\_id' till he learns 'req\_spell', when he loses 'req\_spell' 'spell\_id' will be lost too. Table is used also for profession specialisations as specialisations require profession of certain rank to learn.

| Field          | Type         | Attributes | Key | Null | Default | Extra | Comment |
|----------------|--------------|------------|-----|------|---------|-------|---------|
| [spell_id][1]  | MEDIUMINT | SIGNED     | PRI | NO   | 0       |       |         |
| [req_spell][2] | MEDIUMINT | SIGNED     | PRI | NO   | 0       |       |         |

[1]: #spell_id
[2]: #req_spell

**Description of the fields**

### spell\_id

Spell ID from [Spell.dbc](Spell), which require knowing \`req\_spell\` to learn from trainer.

### req\_spell

Spell ID from [Spell.dbc](Spell), which is required to be known before \`spell\_id\` can be learned from trainer.