Embedded SQL in DBMS

Embedded SQL, it can be understood as small SQL queries put into high-level languages to get meaningful outputs.

While embedding SQL queries into other high-level languages, we need to make sure that we have a working database connector on our system.

By using the connectors we can easily run SQL queries on the existing databases in our RDBMS or we can even create new ones. Let us now dive deep into the embedded SQL concepts and learn more about it.

What is Embedded SQL?

As we have seen in our previous tutorials, SQL is known as the Structured Query Language. It is the language that we use to perform operations and transactions on the databases.

When we talk about industry-level applications we need properly connected systems which could draw data from the database and present to the user. In such cases, the embedded SQL comes to our rescue.

We embed SQL queries into high-level languages such that they can easily perform the logic part of our analysis.

Some of the prominent examples of languages with which we embed SQL are as follows:

  • C++
  • Java
  • Python etc.

Embedded SQL gives us the freedom to use databases as and when required. Once the application we develop goes into the production mode several things need to be taken care of.

We need to take care of a thousand things out of which one major aspect is the problem of authorization and fetching and feeding of data into/from the database.

With the help of the embedding of queries, we can easily use the database without creating any bulky code. With the embedded SQL, we can create API’s which can easily fetch and feed data as and when required.

How to Embed SQL in High-Level Languages?

For using embedded SQL, we need some tools in each high-level language. In some cases, we have inbuilt libraries which provide us with the basic building block.

While in some cases we need to import or use some packages to perform the desired tasks.

For example, in Java, we need a connection class. We first create a connection by using the connection class and further we open the connection bypassing the required parameters to connect with the database.

Advantages of Embedded SQL

Some of the advantages of using SQL embedded in high-level languages are as follows:

  • Helps to access databases from anywhere.
  • Allows integrating authentication service for large scale applications.
  • Provides extra security to database transactions.
  • Avoids logical errors while performing transactions on our database.
  • Makes it easy to integrate the frontend and the backend of our application.


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