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SQL Schema | Learn How to Create, Alter and Drop Schema in SQL Effectively!


Structured Query Language, which is also known as SQL is a programming language that is used as an interface to manage databases, view, and manipulate the data present in the files. Along with that, it also helps create and modify new tables.

If you are really interested in knowing what is SQL schema? is it necessary to first understand what a database is?

To enhance your knowledge, a database is a tool for gathering and storing records. It can hold data about individuals, orders, goods, and everything else. Moreover, datasets begin with a word processing application, but as they grow in size, multiple companies will find it advantageous to move them to a database generated by a database management system.

Moreover, SQL statements are used to perform certain tasks including the task to update or retrieve data on the database. Some common relational database management systems that use Structured Query Language are Sybase, Oracle, Microsoft SQL Server, Microsoft Access, Ingres, and many more.

Although, despite them, most database systems use SQL and have their own additional proprietary extensions that they generally use on their system. However, the standard SQL commands you need to know are “Select”, “Insert”, “Update”, “Delete”, “Create”, and “Drop”. These SQL commands can be used to accomplish almost anything that one requires to do in a database.

Additional SQL is a schema that is considered to be an essential element. This article will help you learn about various important aspects of SQL schema in detail such as:

  • What is SQL schema?
  • What is the advantage of using SQL Schema?
  • How to create, alter and Drop SQL server schema?

Let’s begin one by one!

What is SQL Schema?

A Schema in SQL is a collaboration of database objects related to a database. And the username of the database is known as Schema Owner. Moreover, Schema belongs to a single database whereas a database can have multiple or single schemas. Schema is similar to a separate namespace, which stores database objects that include various database objects like tables, procedures index, and much more.

Along with this, sometimes you can also come across the Built-in Schema term which means SQL server comes with a certain predefined schema that shares the same names as built-in database functions and users. It persists majorly for backward compatibility. Moreover, here are some examples of built-in schema such as:




Also, the objects present in the schema that are mentioned above cannot be dropped or removed. In case you prefer to exclude schemas from the database, they will never appear on a new database.

What are the Advantages of Using Schema in SQL Server?

There are multiple advantages of using SQL Server Schema/Schema in SQL Server such as:

  • You can apply security permissions for separating and protecting database objects based on user access rights.
  • A logical group of Database objects can be managed within a database object that can be organized into these logical groups.
  • The schema in the SQL server helps in certain situations like in case the database object's name is the same. But these objects fall under various logical groups effectively.
  • A single SQL Schema Server can be used in various databases and it also helps in adding security to the database.
  • It helps in manipulating and accessing the objects which otherwise is known as a complex method.
  • Using an SQL schema server, you can also transfer the ownership of various schemas
  • The objects created in the database can be moved among schemas successfully.

These were the advantages of SQL schema server, now we will learn about How to create, alter and Drop SQL server schema?

How to Create, Ater and Drop SQL Server Schema?

The Syntax you can use to create SQL:

schema code

Visit object explorer, click on the databases folder. You can easily create a schema using SQL server management studio by following the below-mentioned steps!

  • Create the New database schema under the database.
  • Right-click on the Security folder, Click New, and then select Schema.
  • Visit the Schema-New dialog box, enter a specific name that you desire to create for your new SQL schema.
  • Moreover, in the schema owner box, you can enter the database name of the user in order to own the schema effectively. Click onto search, to open the Search roles and user dialogue box.
  • At last, Click OK.
  • This is how a schema is created. Now let us see how a schema is altered and dropped.

How to alter a Schema in SQL?

The SQL schema database can be altered by utilizing the altered schema statement that is certainly used to rename a schema. As the new owner can be a pre-existing user. Follow the below-mentioned code to alter a SQL Schema successfully:

Syntax to Alter a Schema:





The new name of the schema


existing schema


The new owner of the schema


It is used to recognize the user of the mentioned schema.


It is used to identify the default character set that is utilized by all objects included in the schema.

PATH schema_name[, ...]

Identifies the path and name of a file (optional).

ANSI CREATE statements [...]

It includes one or more CREATE statements

ANSI GRANT statements [...]

It comprises one or more GRANT statements.

Parameter to Alter a Schema in SQL

Here is an Example for you, that you can Consider:

schema code

The above query will create a SQL Schema server named STUDENT and with user STUDENT as the owner of the certain schema. Further, the CREATE command will help you create the table named DETAILS under the STUDENT schema.

Now, must have understood how to alter the schema, let us move ahead to the next segment.

How to drop a Schema?

In order to drop schema you can use the following syntax:

DROP SCHEMA STUDENT_DETAILSThis was all about Schema in SQL. I hope that the content explains the above-added value to your knowledge. Keep reading, keep exploring!


If you want to delete the SQL schema STUDENT_DETAILS, then you should use the following SQL query.


We hope you have now understood a lot more about SQL schema, how to create, alter and drop it? In case you wish to learn about MySQL then you can check out our MySQL Certification Training that is led by a team of professionals. This training will help you understand the topic and will also help you achieve mastery in it.

Being the top training center, we also provide SQL server training to every fresher or professional. The course includes a File management system, Database management system, Hierarchical Data Model (HDBMS) Network Data Model (NDBMS) Relational Data Model (RDBMS), and much more in a desired period of time.

In case, you still have any doubts or questions regarding SQL Schema then do tell us via comments. Our Professionals are 24/7 to help you out!

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    Anusha Tyagi

    She is an expert in writing informative blogs and article. She is best known for IT, Technical trends and career path education. Anusha has been producing distinctive and engaging content for the end-users.


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    Emilio Davis

    I was seeking information related to SQL schema but could not find any. Then I went through your article. It was really informative and helpful. Thanks, team!

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    Louis Anderson

    Informative Article, but still I am confused with the course that I should opt for! Can someone help me? I have done Graduation and I am working on freelancing projects for SQL but need some secure job.

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    Paxton Harris

    Two years ago I have done training for SQL Schema and now I am seeking a job position for the same. Could not find one. Can your team help me get a secured job as a SQL server developer?

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    Bradley Thompso

    I am planning to start a business and found this post really important and helpful because this will certainly help me.

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    Beckham Allen

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