Tag: MSSQL

COALESCE is a built-in function in Microsoft SQL Server that returns the first non-null expression among its arguments. It takes one or more expressions as arguments and returns the value of the first expression that is not NULL. If all the expressions are NULL, it returns NULL. Continue reading Coalesce Function in MSSQL

In SQL Server, the PIVOT function is used to transform rows into columns. The PIVOT function is a T-SQL operator that rotates a table-valued expression by turning the unique values from one column in the expression into multiple columns in the output, effectively creating a cross-tabulation of the data. Here’s an example to help illustrate the concept: Continue reading Pivot Function in MSSQL

Both STRING_AGG and STUFF are string functions in Microsoft SQL Server that are used to manipulate strings. Continue reading SRING_AGG and STUFF functions in MS SQL

A trigger is a special type of stored procedure in Microsoft SQL Server that automatically executes when an event occurs, such as an INSERT, UPDATE, or DELETE statement. Triggers can be used to enforce business rules, maintain data integrity, or perform actions automatically in response to changes in the data. Continue reading Triggers in MSSQL