Select: Used to select data from one or more tables.
Update: Used to modify data in a table.
Delete: Used to delete data from a table.
Some of the most common SQL functions are:
COUNT()
DATEADD()
DATALENGTH()
MAX()
MIN()
SQL is a programming language that is used to store, retrieve, and manipulate data in a relational database management system. The question of how much does an average company spend on a SQL function is not easy to answer. It depends on the size of the company and what kind of features they are looking for.
The steps to create a SQL function are:
Create a new function in the database.
Define the input and output types of the function.
Set up parameters for each input type, which can include table names, column names, values, and more.
Add an execution plan for how often the function will be run in your database.
Add triggers that will execute before and after the execution plan runs to make sure it runs properly the first time around!
SQL functions are used for a variety of purposes. They can help you to build queries, create views, and analyze data. The most common use case for a SQL function is to generate unique values or integers. However, there are other uses that you might not have thought of yet
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A
Arvind Kumar
5
very nice course for begginer to under stand
H
hemant
5
Hello sir, explaination is excellent. I have a request please send the db in excel or SQL file
J
Juboraj Juboraj
4
Explain details & easy to understand.
A
Aman Kanaujia
4
All good , but provide the data also for the assignment , Without data the interest is less day by day from the course. So, try to solve this problem as asap.
S
Snehil
4
Everything is good but keyboard sounds more harsh and overlap your voice whereas this course is best.
F
FAROOK MOHAMMAD
5
Hello sir, explaination is excellent. I have a request please send the db in excel or SQL file.
H
Hari Prakash
4
In SQL Join Function's 2nd video - Teacher's voice dose not match with background content that are plays
A
Aakash Mavar
5
Hello sir
Mera Abhi graduation hu he Mene Mechanical Engineering BTech ki Hai me Data analysis me Apna career Bana skat ho Kya
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