![]() StrQuery = "SELECT tblAppointments.AppID, tblAppointments.AppointDate, tblAppointments.AppointTime, Left(.,5) AS Doctor, tblSchedule.DoctorsName FROM tblSchedule INNER JOIN tblAppointments ON tblSchedule.DoctorsID = tblAppointments.DoctorsID WHERE tblAppointments.AppointDate >= GETDATE() " Saturday, Febru8:54:33 AM - Greg Robidoux You can reverse engineer the stored procedure generated by sp_CRUDGen to get some dynamic SQL best practices. It is really hard to do dynamic SQL safely and performant. Have a simple example where need to find all recordsįrom the customers table where City = 'London'. Into your WHERE clause of your SQL statement in Microsoft SQL Server. This first approach is pretty straight forward if you only need to pass parameters Dynamic SQL by writing a query with parameters Your code checks for any potential problems before just executing the generatedĬode at runtime. There is a potential for a query to do something you did not expect and You don't really know how a user may use the code and therefore You should be aware of SQL Injection and ways to prevent it by making sure yourĬode is robust to check for any issues before executing the statement that isĪnother issue is the possible performance issues by generating the code on ![]() The examples below are very simple to get you started, but SQL Injection Attacks where malicious code is inserted into the command that isīeing built. Things to NoteĪlthough generating SQL code on the fly is an easy way to dynamically build Writing a SELECT statement or SQL Query with SQL variablesĪdventureWorks database for the below examples.SQL Server offers a few ways of running a dynamically built SQL statement. #Delete tables using sqleditor how toSolution How to build dynamic SQL statement in SQL Server ![]()
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