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SQL TUTORIAL-4 (Create table, Alter table, ADD and DROP column, MODIFY Column Data type)

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External ressources related to SQL TUTORIAL-4 (Create table, Alter table, ADD and DROP column, MODIFY Column Data type)

How to Use Create Table, Alter Table, and Drop Table in ...

https://blogs.oracle.com/sql/how-to-create-alter-and-drop-tables-in-sql

How to Add Columns. To add columns to your table, you need an alter table statement. This lists the table you're changing, with the names and data types of the columns you want to add. So to add a price column to toys, run: alter table toys add ( pric

sql - How do you ADD and DROP columns in a single ALTER TABLE ...

https://stackoverflow.com/questions/15989527/how-do-you-add-and-drop-columns-in-a-single-alter-table

ALTER TABLE { ALTER COLUMN column_name | ADD | DROP } According to Transact-SQL Syntax Conventions (Transact-SQL) the | (vertical bar) Separates syntax items enclosed in brackets or braces. You can use only one of the items. So you can't Alter, Drop o

SQL Server ALTER TABLE DROP COLUMN By Practical Examples

https://www.sqlservertutorial.net/sql-server-basics/sql-server-alter-table-drop-column/

In this syntax, you specify columns that you want to drop as a list of comma-separated columns in the DROP COLUMN clause.. SQL Server ALTER TABLE DROP COLUMN examples. Let’s create a new table named sales.price_lists for the demonstration.