8 questions for “Cursors”

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SQL Server Cursors 7

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1What is a cursor in SQL Server, and why do most developers try to avoid using them? SQL Server › CursorsSQL ServerCursorsBeginner
2What are the basic steps required to declare, open, use, and properly clean up a cursor? SQL Server › CursorsSQL ServerCursorsIntermediate
3What are the different cursor types available in SQL Server, such as static, dynamic, and forward only, and how do they differ? SQL Server › CursorsSQL ServerCursorsIntermediate
4What is the performance impact of using a cursor compared to a set based operation on a large table, and why does this difference occur? SQL Server › CursorsSQL ServerCursorsIntermediate
5What does the FAST_FORWARD cursor option do, and when should you use it? SQL Server › CursorsSQL ServerCursorsIntermediate
6How would you rewrite a common cursor based row by row update into an equivalent, much faster set based UPDATE statement? SQL Server › CursorsSQL ServerCursorsAdvanced
7In what rare situations might using a cursor still be a reasonable choice despite the general recommendation to avoid them? SQL Server › CursorsSQL ServerCursorsAdvanced
8How do IF and WHILE control flow statements work in T-SQL, and what kinds of tasks are they typically used for? SQL Server › T-SQL Fundamentals & SyntaxSQL ServerT-SQL Fundamentals & SyntaxIntermediate