Does CDC capture a TRUNCATE? No. On a table enabled for Change Data Capture you get Msg 4711: Cannot truncate table. I recreate the error step by step.
Prefix Searches: LIKE, LEFT and CHARINDEX
LIKE, LEFT and CHARINDEX can match the same prefix through different access paths. Compare complete matching rows and measured plans, then test literal wildcard characters and collation before choosing a search expression.
SQL SERVER – ORDER BY Clause and TOP WITH TIES
How does TOP WITH TIES work with ORDER BY? A simple example shows how WITH TIES returns the extra rows that match the value of the last row.
SQLAuthority News – Meeting SQL Expert Imran at Hyderabad
I finally met SQL expert Imran Mohammed, one of the top helpers on this blog, over dinner in Hyderabad. He was much younger than I expected.
SQL SERVER – Comma Separated Values (CSV) from Table Column – Part 2
Comma Separated Values from a table column, part 2: SUBSTRING limits the XML length, so I rewrote the query with STUFF and FOR XML PATH to remove it.
XML exist: A Present Boolean Expression Still Exists
XML exist tests a nonempty XQuery result. Even false() returns a value, so use a node predicate to test presence and preserve NULL XML input.
Migrating From Access to SQL Server
Migrating from Access to SQL Server can keep the familiar front end while tables move, linked tables are tested, and Access queries are rewritten.