Managing Cross-Database Object References (EI016, EI026, EI027)

Phil Factor explains cross database and cross-server references, how to find them in your code, and when it's better to avoid hard-coding these references and use synonyms instead. Read more

Questions about SQL Prompt you were too shy to ask

Phil Factor answers some questions you've been itching to ask about SQL Prompt, covering ranked code completion suggestions and auto-fixing SQL code smells, and suggesting where in the tool to find other nuggets of hidden treasure. Read more

Tracking use of Deprecated SQL Server Features

Phil Factor explains how to use Dynamic Management Views and Extended Events to track use of deprecated SQL Server syntax on working SQL Server databases, as well as SQL Prompt and SQL Change Automation to detect its use during database development. Read more

Never Create Columns with ANSI_PADDING set to OFF

There is no good reason for having ANSI_PADDING set to OFF when you create tables in SQL Server. It was provided purely for legacy databases that had code that assumed the old CHAR behavior for dealing with padding, and its use has now been deprecated. Read more

Avoid using constants in an ORDER BY clause

Phil Factor explains why an ORDER BY clause should always specify the sort columns using their names, or aliases, rather than using an integer to specify the position of a column in the SELECT list. Read more

Why you Should Always Specify Whether a Column Accepts Nulls

Phil Factor explains the factors that determine whether a column will allow null values, if you don't specify it explicitly in the column definition. If you rely on the default behavior established by your connection settings, you could be in for some nasty surprises. Read more

The Dangers of using Float or Real Datatypes

Floating point datatypes accommodate very big numbers but sacrifice precision. They are handy for some types of scientific calculations, but are dangerous when used more widely, because they can introduce big rounding errors. Read more

Changing SET options in a Procedure or Trigger leads to Recompilation (PE012)

Phil Factor delves into SQL Prompt's performance rule, PE012, which will advise you if it detects the use of the SET statements within a stored procedure or trigger, which might cause unnecessary recompilations, though the issue extends to other types of batches. Read more

Finding Correlated Rows Using EXISTS or COUNT

Should you always use EXISTS rather than COUNT when checking for the existence of any correlating rows that match your criteria? Does the former really offer "superior performance and readability". Louis Davidson investigates. Read more

Neglecting to Use, or Misusing, the RETURN Keyword (BP016)

Phil Factor demonstrates the correct use of the RETURN keyword in stored procedures or batches, to pass back a non-zero RETURN code to the calling process, informing it of the error. He also explains some of its misuses. Read more

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