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Browse CoursesGet started with databases—from choosing your programming language to understanding stored procedures—by watching our SQL tutorials. Whether you want to execute a SQL transaction, run SQL queries, or master database administration, these video courses can help you get up and running.
By : Temotec Learning Academy
Using PostgreSQL & applicable to Oracle SQL, Microsoft SQL Server, and MySQL for Data...
4.5 652
2:4:54 hrs 33 lectures All Level
By : Temotec Learning Academy
Become a Data Analysis Hero - Learn Python & SQL for Data Analysis and Data Science w...
4.8 638
121 lectures All Level
By : Ahmed Ibrahim
Learn all the SQL skills you need to know to develop, manipulate, manage and communic...
4.5 6531
4:1:52 hrs 79 lectures All Level
By : Sachin Agrawal
SQL for Beginner-For Data Analytics & Business Intelligence...
4.5 650
1:12:52 hrs 28 lectures All Level
By : Sonu Kumar
BI and Data Engineer...
4.5 795
7:28:54 hrs 117 lectures Intermedite Level
By : SANEM AYDIN YAYLA
Master the Fundamentals of SQL, Learn to Manage Data, Create Databases, and Generate ...
4.5 522
3:4:12 hrs 50 lectures Beginner Level
By : test test
Unique SQL course - covers everything you need to MASTER SQL and understand how thing...
4 1005
6:60:4 hrs 78 lectures All Level
By : Jobshie Academy
Perfect for PostgreSQL course for beginners and first-time coders...
4.3 492
2:44:12 hrs 46 lectures All Level
By : Sekhar Metla (Microsoft Certified Professional) Sudha
With Azure Data Studio to Become a SQL Expert on Queries for your Business Logic for ...
4.1 819
6:36:57 hrs 98 lectures All Level
By : Sekhar Metla (Microsoft Certified Professional) Sudha
Become an Expert at Microsoft SQL!...
4.3 868
5:38:43 hrs 87 lectures All Level
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SQL, or Structured Query Language, is a domain-specific language used for managing and manipulating relational databases. It is employed for tasks such as querying data, defining and modifying database structures, and controlling access to the stored data.
SQL supports several fundamental operations, including SELECT (retrieve data), INSERT (add new data), UPDATE (modify existing data), DELETE (remove data), and CREATE/ALTER/DROP (manage database structure).
SQL is a language, while MySQL is a relational database management system (RDBMS) that uses SQL. MySQL is one of many database systems that implement the SQL language. Other examples include PostgreSQL, SQLite, and Microsoft SQL Server.
A primary key in SQL is a unique identifier for a record in a table. It ensures each row has a distinct identity, and it is often used to establish relationships between tables. The primary key constraint enforces the uniqueness and non-null properties of the key.
Normalization is the process of organizing data in a database to reduce redundancy and dependency. It involves dividing large tables into smaller, more manageable tables and defining relationships between them. Normalization helps maintain data integrity and avoids data anomalies.