Primary Key and Unique Key both enforce uniqueness, but they differ in the index they create and in NULL handling. Here are the differences and the scripts.
SQL SERVER – UDF – Function to Convert Text String to Title Case – Proper Case
My UDF udf_TitleCase converts any string to Title Case, also called Proper Case. The post has a sample call, its output and the full T-SQL code of the function.
SQL SERVER – ReIndexing Database Tables and Statistics with Targeted Maintenance
ReIndexing Database tables starts with a measured maintenance need. I check the workload before choosing an index operation.
SQL SERVER – Query to find number Rows, Columns, ByteSize for each table in the current database – Find Biggest Table in Database
A query to find the biggest table in database: it lists row count, column count and data size for each table using sp_spaceused, sorted by data size.
SQL SERVER – Simple Example of Cursor
The simple example of cursor I have used for years: declare it, open it, fetch each Account_ID in a WHILE loop, then close and deallocate the cursor.
SQL SERVER – Shrinking Truncate Log File – Log Full
The old code I used to truncate log file space with DBCC SHRINKFILE and BACKUP LOG WITH TRUNCATE_ONLY. It breaks the log chain, so take a full backup after.
SQL SERVER – Fix : Error 14274: Cannot add, update, or delete a job (or its steps or schedules) that originated from an MSX server. The job was not saved.
Error 14274 shows up when you update or delete SQL Server 2000 jobs after the Windows server was renamed. Here is why it happens and the steps to fix it.