-- Set max degree of parallelism (adjust as needed) EXEC sp_configure 'max degree of parallelism', 4; RECONFIGURE;
IF EXISTS (SELECT 1 FROM Users WHERE Email = @Email) BEGIN RAISERROR('Email already exists', 16, 1); RETURN; END INSERT INTO Users (Username, Email) VALUES (@Username, @Email); COMMIT TRANSACTION; SELECT SCOPE_IDENTITY() AS NewUserID; END TRY BEGIN CATCH ROLLBACK TRANSACTION; THROW; END CATCH END; GO -- Test the stored procedure EXEC dbo.sp_AddUser 'alice_new', 'alice@example.com'; -- Query with the table-valued function SELECT * FROM dbo.GetActiveUsers(); sql server 2019 developer edition
-- Create a sample table CREATE TABLE Users ( UserID INT IDENTITY(1,1) PRIMARY KEY, Username NVARCHAR(100) NOT NULL, Email NVARCHAR(200) UNIQUE, CreatedDate DATETIME2 DEFAULT GETDATE(), IsActive BIT DEFAULT 1 ); GO -- Set max degree of parallelism (adjust as
-- Create a sample database CREATE DATABASE DevDatabase; GO END INSERT INTO Users (Username
-- Create a useful function CREATE FUNCTION dbo.GetActiveUsers() RETURNS TABLE AS RETURN ( SELECT UserID, Username, Email, CreatedDate FROM Users WHERE IsActive = 1 ); GO
-- Create a stored procedure with error handling CREATE PROCEDURE dbo.sp_AddUser @Username NVARCHAR(100), @Email NVARCHAR(200) AS BEGIN BEGIN TRY BEGIN TRANSACTION;