SQL Aggregate Functions perform calculations on a set of values and return a single result. They are used to summarize […]

The SELECT TOP in SQL is used t retrieve a specific number or percetage of rows from a result set.

The DELETE in SQL is used to remove existing records from a table. It allows you to delete one or

The UPDATE in SQL is used to modify existing records in a table. It allows you to change one or

In SQL, ‘Null’ represents the absence of a value or an unknown value. It is used to signify that a

The SQL Insert Into is used to add new records into a table. You can insert data into a table

The SQL Not clause is sused to filter records by excluding those that meet a certain condition. It is essentially

The SQL Or clause is used to filter records where at least one of the conditions specified is true. Unlike

The SQL And operator is used to combine multiple conditions in a WHERE clause. When you use AND, the query

The SQL Order By clause is used to sort the result set of a query by on more columns. By