5 Basic SELECT Statement Queries in SQL
23K views · Apr 29, 2023 thedevelopmentstages.com
In this video, you will learn about SELECT statement queries in SQL. You will see how to use the basic SELECT syntax to select data from a table, as well as how to use clauses like WHERE, ORDER BY, and GROUP BY to filter, sort, and group the data. You will also learn how to use aggregate functions like COUNT, SUM, AVG, and MAX to perform calculations on the selected data.
How to Filter with the WHERE clause in SQL
27K views · Apr 29, 2023 thedevelopmentstages.com
In this video, you will learn how to use the WHERE clause in SQL to filter data from a table based on specific conditions. You will see how to write basic WHERE clauses using comparison operators like =, <, >, <=, >=, and <> to filter data based on exact matches or range of values. Additionally, you will learn how to use logical operators such as AND, OR, and NOT to combine multiple conditions in your WHERE clauses.
¿Qué es un GUID y por qué es importante en SQL Server?
2K views · Mar 5, 2024 thedevelopmentstages.com
Descubre cómo los GUIDs garantizan la unicidad global de identificadores en SQL Server y su importancia en la integridad de los datos.