Certificate in Data Query Language Essentials
-- ViewingNowThe Certificate in Data Query Language Essentials is a comprehensive course designed to equip learners with the fundamental skills required to excel in the data-driven economy. This program focuses on Data Query Languages, which are essential for interacting with and extracting valuable insights from vast data repositories.
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โข Introduction to Data Query Language (DQL)
โข SQL Syntax and Basics
โข Creating and Altering Tables with DDL
โข Selecting Data with DQL
โข Filtering Data with WHERE Clause
โข Sorting Data with ORDER BY Clause
โข Grouping Data with GROUP BY Clause
โข Aggregating Data with Functions
โข Subqueries and Nested Queries
โข Data Manipulation Language (DML)
โข Joins and Combining Tables
โข Data Modification Language (DML) โ Update and Delete
โข Data Query Language Best Practices
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