Choosing where data and log files live means checking storage behavior, capacity, install defaults, and a tested move procedure.
ABS: Widen an Integer Before Taking Its Magnitude
ABS can overflow even when the negative input fits its signed integer type. I widen the input before asking for its magnitude. Casting the output afterward would be too late to protect the calculation.
SQL SERVER – Fix : Error : 1326 Cannot connect to Database Server Error: 40 – Could not open a connection to SQL Server
If you are receiving the following error related to connection to SQL Server, this blog is for you.
Protecting an Instance You Cannot Patch Any More
Protect an Instance You Cannot Patch with isolation, least privilege, disabled features, tested backups, and a firm retirement date.
Hierarchyid Subtree: Move With GetReparentedValue
Move a hierarchyid subtree while keeping stable node identifiers. Check the whole branch, repeated requests, missing endpoints and cyclic destinations.
SQL SERVER – EXCEPT Clause in SQL Server is Similar to MINUS Clause in Oracle
Is there a MINUS clause in SQL Server like in Oracle? Yes, EXCEPT returns the rows of the first query that are not in the second. Example included.
SQL SERVER – Query to Find Column From All Tables of Database
How many AdventureWorks tables have an EmployeeID column? My query on sys.tables and sys.columns finds any column from all tables, with schema names.