sys.xp_delete_files and ‘allow filesystem enumeration’: two new undocumented items in SQL Server 2019

sys.xp_delete_files and 'allow filesystem enumeration': two new undocumented items in SQL Server 2019

Actual Difference Between EXISTS(SELECT 1 …), EXISTS(SELECT * …), and EXISTS(SELECT column …)

Is EXISTS(SELECT 1 ...) better than EXISTS(SELECT * ...)? Who would know better than SQL Server?

How Many Bytes Per Character in SQL Server: a Completely Complete Guide

A Completely Complete Guide to how many bytes are used to represent characters in the T-SQL string datatypes

Feature Restrictions in SQL Server 2019 are Worse Than Useless: a False Sense of Security And Wasted Opportunity

A misguided attempt to improve security that not only increases the chances of SQL Injection, but also prevented useful changes from being made.

Unicode Escape Sequences Across Various Languages and Platforms (including Supplementary Characters)

Unicode escape sequences across various languages and platforms (including Supplementary Characters), with working examples

Specific String Pattern Magically Hidden From Step Output in SQL Agent History

Specific String Pattern Magically Hidden From Step Output in SQL Agent History. Who Knew?

Maximum Number of Rows for the Table Value Constructor

What is the maximum number of rows for the Table Value Constructor? And, do different uses of it behave differently?

Error -2068643839 / 1602 Installing msoledbsql.msi, msodbcsql.msi, and sqlncli.msi for SQL Server 2019 (CTP or RTM)

Installing SQL Server 2019 CTP 2.5 fails with almost no useful info. Searching on code or message finds nothing. This post fixes that 😎

Can a Certificate’s Private Key be Imported / Restored From a Binary Literal / Hex Bytes ?

Can a Certificate's Private Key be Restored From a Binary Literal / Hex Bytes? The Documentation Says, "No". What Does SQL Server Say?

SSMS Tip #3: Easily Access/Research ALL Unicode Characters (Yes, Including Emojis 😸)

Learn how to get a list of all Unicode characters to copy and paste, or use in queries / web pages / programs, or search by value, etc.