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SQL Server | Longest Queries Field

SQL Server, Longest Queries, Queries, Longest Queries Field, SQL

Updated over a week ago

Overview

The Longest Queries field in the Liongard Microsoft SQL Server Inspector captures and displays query text for diagnostic and performance insight. To maintain system performance and optimize data storage, this field displays only the first 50 characters of each query, followed by ellipses (...) when the full query exceeds this limit.

This behavior is by design and is consistent across all current versions of the SQL Server Inspector.


Why This Happens? 🀨

The 50-character limit is intentionally enforced for the following reasons:

Reason

Explanation

Performance Optimization

Limits the processing overhead when collecting large volumes of query data from multiple SQL instances.

UI Readability

Keeps the Inspector output clean and easy to scan by avoiding overly long text fields.

Inspector Consistency

Ensures predictable behavior across environments and Inspector versions.

This is not an error and does not indicate data loss or inspection failure.


What You Will See in the Inspector 🧐

Scenario

Inspector Output

Query ≀ 50 characters

Full query text displayed

Query > 50 characters

First 50 characters + ...


How to View the Full Query Text 🀷

If full query text is required for performance tuning or troubleshooting, it can be retrieved directly from Microsoft SQL Server using Dynamic Management Views (DMVs).

βœ… Using DMVs

Run the following query in SQL Server Management Studio (SSMS):

SELECT 
SUBSTRING(qt.text, 1, 4000) AS full_query_text,
qs.execution_count,
qs.total_elapsed_time,
qs.total_worker_time
FROM sys.dm_exec_query_stats qs
CROSS APPLY sys.dm_exec_sql_text(qs.sql_handle) qt
ORDER BY qs.total_elapsed_time DESC;

βœ… Alternative Methods

Method

Description

SQL Server Logs

Review SQL Server error logs and query traces

Query Store

Use Query Store (if enabled) for historical query capture

Extended Events

Capture full query text via SQL Server Extended Events

Note: These methods are managed directly within Microsoft SQL Server and are outside of Liongard-controlled data collection.


Can the 50-Character Limit Be Increased?

At this time:

Setting

Status

Modify limit in Inspector

❌ Not supported

Disable truncation

❌ Not supported

Change via configuration

❌ Not available

The 50-character limit is hard-coded into the Inspector and remains consistent across all supported versions.

If your organization requires longer query capture, Liongard recommends submitting a feature request through official support channels.


When to Contact Support 🦁

Contact Liongard Support if:

Situation

Reason

Field shows empty or null data

Possible inspection failure

Queries appear malformed

Potential encoding or permission issue

Field missing entirely

Inspector version or permission problem

Before contacting support, gather:

  • Inspector logs.

  • SQL Server version.

  • Sample screenshots of Inspector output.

  • Confirmation of required SQL permissions.


Best Practices 🌟

Recommendation

Benefit

Use SQL Server DMVs for deep analysis

Full visibility into query performance

Enable Query Store (if supported)

Historical query tracking

Regularly review long-running queries

Improved database performance

Document performance baselines

Easier anomaly detection


Third-Party Content Disclaimer ‼️

This article references Microsoft SQL Server DMVs and tools. These are third-party technologies maintained by Microsoft. Liongard is not responsible for changes to syntax, availability, or behavior of Microsoft-provided features.

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