60.Inline Table Valued Function - User Defined Function In SQL Server - SQL Tutorial|Pandey Guruji

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This Video contains In-depth coverage of Inline Table Valued Function - User Defined Function In SQL Server. Covers all of the important queries and SQL commands. In this videos series, you'll learn how to read and write complex queries. Handle tricky SQL interview questions. Implement complex SQL queries and answer popular interview questions on SQL. These videos series will help to crack interviews and get jobs in SQL Developer, Database Developer, Data Engineer, Reporting Analyst, Data Analyst, Data Scientist, System Analyst, Power BI Developer, Tableau Developer, BI Developer, etc.
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allow modular programming.
You can create the function once, store it in the database, and
call it any number of times in your program. User-defined
functions can be modified independently of the program source
code.
● They allow faster execution.
Similar to stored procedures, Transact-SQL user-defined
functions reduce the compilation cost of Transact-SQL code by
caching the plans and reusing them for repeated executions.
This means the user-defined function does not need to be
reparsed and reoptimized with each use resulting in much faster
execution times.
CLR functions offer a significant performance advantage over
Transact-SQL functions for computational tasks, string
manipulation, and business logic. Transact-SQL functions are
better suited for data-access intensive logic.
● They can reduce network traffic.
An operation that filters data based on some complex constraint
that cannot be expressed in a single scalar expression can be
expressed as a function. The function can then be invoked in the
WHERE clause to reduce the number of rows sent to the client.
Inline Table-valued Function: The user-defined inline table-valued function returns a
table variable as a result of actions performed by the function. The value of the table
variable should be derived from a single SELECT statement.

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[Rameshpowervlogs]

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[vijaykinhekar]

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