**Source URL:** https://limited.veevavault.dev/mdl/documentation/mdl-operators

# MDL Operators

Use operators to apply conditions to MDL commands.

<LandingPageList>
*   [Logical Operators](/mdl/documentation/mdl-operators/logical-operators/)
*   [IF EXISTS](/mdl/documentation/mdl-operators/if-exists/)
*   [IF NOT EXISTS](/mdl/documentation/mdl-operators/if-not-exists/)
</LandingPageList>

---

**Previous:** [ALTER](/mdl/documentation/mdl-commands/alter)  
**Next:** [Logical Operators](/mdl/documentation/mdl-operators/logical-operators)