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The ALTER TABLE SQL command is used to add, delete or modify columns in an existing table. But it's not just used for that, ALTER Table lets you easily create, delete and modify various constraints on your table at the same time. This directly translates into decreased time spent on designing your database constraints.

A table in SQL is an organized list of data. The table is divided into columns, with each column containing a set of data. These tables are very important in any database. If you are an SQL beginner, you might not know how to modify a table in SQL or generate content using it. This Tutorial will provide you with the step-by-step process on how to do so and some use cases for doing so. 1.ALTER TABLE "table_name" MODIFY "column_name" "New Data Type"; 2.ALTER TABLE "table_name" ALTER COLUMN "column_name" "New Data Type"; 3.ALTER TABLE Customer MODIFY Address char(100); 4.ALTER TABLE Customer MODIFY Address char(100); 5.ALTER TABLE Customer ALTER COLUMN Address char(100);

ALTER Command is an important part of SQL Language. It is used to add, delete, modify the attributes of the relations (tables) in the database. UPDATE Command is used to update existing records in a database.This powerful tool allows you to modify existing records in a database. Whether you're making data cleaner or adding new fields, this easy-to-use tool will give you the power to create more from less.

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