44- SQL Server 2019 DML Triggers (Insert - Delete)

Опубликовано: 24 Октябрь 2024
на канале: Apps Scope

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#sqlserver #sqlservermanagementstudio #sqlservertutorial #sqlserverurdutips #sqlserver2019 #sqlserverviews #sqlserver2019triggers

DML Triggers (Insert - Delete)
Views and Advantages of Views
SQL Server 2019 Why are the indexes very important?
Clustered vs Non-Clustered
Columnstore Index
unique non-unique

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Indexes
What are the indexes?
Why indexes are very important?
create Indexes
Clustered vs Non-Clustered

SQL Syntax
Some of The Most Important SQL Commands

SELECT - extracts data from a database
UPDATE - updates data in a database
DELETE - deletes data from a database
INSERT INTO - inserts new data into a database
CREATE DATABASE - creates a new database
ALTER DATABASE - modifies a database
CREATE TABLE - creates a new table
ALTER TABLE - modifies a table
DROP TABLE - deletes a table
CREATE INDEX - creates an index (search key)
DROP INDEX - deletes an index

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