> ## Documentation Index
> Fetch the complete documentation index at: https://docs.vortexiq.ai/llms.txt
> Use this file to discover all available pages before exploring further.

# Blocking / Slow Queries During Checkout Window, Microsoft SQL Server KPI card, Vortex IQ Nerve Centre

> Blocking / Slow Queries During Checkout Window for Microsoft SQL Server on the Vortex IQ Nerve Centre.

**[Nerve Centre KPIs](/nerve-centre/kpi-cards/mssql) · [Audit Profile](/nerve-centre/kpi-cards/mssql/audit) · [Sentiment Settings](/nerve-centre/kpi-cards/mssql/sentiment)**

## At a glance

* **Category:** Cross-Channel: Revenue at Risk
* **Type:** Key Metrics
* **Chart:** table
* **Format:** number
* **Time window:** 5m
* **Alert trigger:** >5 blocked sessions or slow queries co-occur with checkout drop

## Calculation

Derived from the Microsoft SQL Server `derived` endpoint. Definition not yet documented in the manifest.

## Known limitations

*Known limitations, FAQs, or reconciliation notes specific to this card. Replace this block when authored.*