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Learners : 1080
Duration : 25 Days
One of the top providers of online IT training worldwide is VISWA Online Trainings. To assist beginners and working professionals in achieving their career objectives and taking advantage of our best services, We provide a wide range of courses and online training.
Duration : 25 Days
🌐 What Is SQL?
Structured Query Language (SQL) is the standard programming language used to manage and manipulate databases. This Online Training is designed to help learners master querying, updating, and managing relational databases such as Microsoft Server, Oracle, and PostgreSQL.
Through hands-on sessions, learners will gain expertise in database design, joins, subqueries, stored procedures, triggers, and indexing. By the end of this course, you’ll be able to write complex queries, extract business insights, and manage databases efficiently — a key skill for developers, analysts, and IT professionals.
💻 Core Capabilities Include:
🎓 Bonus: Certification Tracks
AM IST
AM IST
PM IST
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SQL (Structured Query Language) is used to communicate with relational databases to store, retrieve, and manipulate data.
DDL (Data Definition Language), DML (Data Manipulation Language), DCL (Data Control Language), and TCL (Transaction Control Language).
WHERE filters rows before aggregation; HAVING filters groups after aggregation.
Joins combine data from two or more tables based on a related column. (INNER, LEFT, RIGHT, FULL OUTER).
Normalization is the process of organizing data to reduce redundancy and improve data integrity.
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