Joey on SQL Server. Understanding Dirty Reads: What NOLOCK Does to Your Queries. Let's break down when it's ideal to use the NOLOCK hint and when you should never use it.

Oracle Database can now be used directly by AI assistants via the Model Context Protocol (MCP). Oracle is integrating the ...

As we saw in the last article, the SQL SELECT statement has the widest variety of query options, ... I’ll explain each one and give examples of usage in the sections that follow.

Oracle9i offers some great tools to make it easy to view the execution plan and trace information for a SQL statement. Prior to Oracle8i, you had to create a plan table and execute special syntax ...

While checking SQL syntax itself is somewhat straightforward, [Joe]’s sql-lint tool will also check the semantics of it by looking up the actual database and performing sanity checks on it.