Rolirolirai.hashnode.dev·Dec 13, 2023What is HAVING clauses in SQL?n SQL, the HAVING clause is a crucial part of a SQL query that is used to filter the results of a GROUP BY operation based on a specified condition. While the WHERE clause is used to filter rows before they are grouped, the HAVING clause filters the ...SQL course
Sunil Methasunilmetha.hashnode.dev·Jul 3, 2023What is Data Control Language in SQLIn SQL (Structured Query Language), Data Control Language (DCL) is a subset of commands that control and manage access to the database and its objects. DCL provides the necessary permissions and privileges to users or roles, enabling them to perform ...SQL Training
Ekta Vermaektavermabloger.hashnode.dev·Jun 13, 2023What is Clustered Index in SQL?In SQL, a clustered index is a type of index that determines the physical order of data in a table based on the values of one or more columns. Unlike non-clustered indexes, which create a separate structure that maps to the actual data, a clustered i...SQL Training
