TCL (Transaction Control Language): Consists of commands like Commit, Rollback, and Savepoint. Data Manipulation Language Essential SQL Operations Mastery of SQL queries is fundamental in managing a database effectively. SELECT retrieves data with precision, whereas INSERT inserts new records faster. ...
The training is based on practical learning having interactive sessions, hands-on SQL exercises, case studies, query-writing challenges, real-time database projects, and industry-based problem-solving. 11 What is the duration of the SQL course in Pune? Ans: The duration of the course is betw...
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 ...
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...