Сделана 10 лаба

Lab10/Task1.sql

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+/*
+Starts a transaction to read the record of 
+Linda Gonzales and update her first name. 
+Second select shows the uncommitted update. 
+@@trancount shows the number of open transactions.
+*/
+
+USE AdventureWorks
+
+-- START TRANSACTION HERE
+BEGIN TRANSACTION
+  SELECT @@trancount AS 'Transaction Count'
+  SELECT FirstName, MiddleName, LastName FROM Person.Contact WHERE ContactID = 342
+  UPDATE Person.Contact SET FirstName = 'Lin' WHERE ContactID = 342
+-- END TRANSACTION HERE
+COMMIT TRANSACTION
+
+SELECT FirstName, MiddleName, LastName FROM Person.Contact WHERE ContactID = 342
+SELECT @@trancount AS 'Transaction Count'