What is sql joins and normalization

Question

Accepted Answer

SQL joins are used to combine rows from two or more tables based on a related column, while normalization is the process of organizing data in a database to reduce redundancy and improve data integrity.

SQL joins are used to retrieve data from multiple tables based on a related column
Normalization is the process of organizing data in a database to reduce redundancy and improve data integrity
Types of SQL joins include INNER JOIN, LEFT JOIN, RIGHT JOIN, and FULL JOIN
Normalization involves breaking down data into smaller, more manageable parts to avoid duplication
Example: SELECT * FROM table1 INNER JOIN table2 ON table1.column = table2.column

Asked in ServiceNow

What is sql joins and normalization

Interview Questions Asked to IT Technical Support Engineer at Other Companies