000. SELECT FirstName, LastName FROM Employees WHERE Salary > 50000;-- Example 3: Join two tables to retrieve customer names and their associated orders. SELECT Customers.CustomerName, Orders.OrderDate FROM Customers
TCL commands are used to manage transactions in the database. Examples include:COMMIT: Used to save all changes made during the current transaction. -- Example: Committing a transaction COMMIT; ROLLBACK: Used to undo changes made during the current transaction. -- Example: Rolling back a ...
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SQL Provides Various Concepts like Schema Creation, User Creation, DML (Insert, Update, Delete, Merge), DDL(Create,Alter,Drop,Truncate,Rename), TCL(Commit,Rollback,Savepoint) ,DCL(Grant, Revoke) etc.Nowadays SQL is the basic stuff for IT professions to learn any data warehousing Concepts. Our...