James Serra's Blog

Blog Post

Understanding Fabric Ontology

What problem is Fabric Ontology trying to solve? For years, most data conversations have started with tables. We ask where the data lives, what columns are available, how the...

2026-05-22 (first published: )

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Blog Post

Understanding Fabric MCP

Model Context Protocol, or MCP, is one of those technical ideas that sounds more complicated than it really is. The easiest way to think about it is this: MCP...

2026-05-20 (first published: )

412 reads

Blogs

From SQL Saturday to Day of Data

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A behind-the-scenes look at Day of Data Jacksonville 2026, the transition from SQL Saturday,...

PostgreSQL 18 Finally Makes BUFFERS the Default. Here Is Why That Matters

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You run EXPLAIN ANALYZE on a slow query, stare at the plan, and something...

A New Word: La Guadière

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la guadière – n. a glint of goodness you notice in something that you...

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non ascii columns in a utf-8 .txt file

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hi, we couldnt get our upstream data source developers to supply what is sometimes...

PolyBase Trace Flags

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Are there any good articles on all the trace flags that are enabled on...

The Data Model Matters

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Question of the Day

Running SQLCMD I

I run the SQLCMD utility as follows:

lcmd -S localhost -E
I then type this (the 1> is the prompt):
1> select @@version go
If I hit enter, what happens?

See possible answers