When it comes to the storage of data, it is essential that the correct storage method be chosen to optimize the ability to utilize information. DBMS and RDBMS are two options through which we may store our information in physical databases. There are however some significant differences between the two. In this article, we will explore the difference between DBMS and RDBMS through a focus upon nine primary facets.

Why Learn the Difference between DBMS and RDBMS?

SQL 101 – Difference Between DBMS and RDBMS

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As will be demonstrated, while both options can be capitalized upon to store information in a physical database, knowing the difference enables us to make the best choice.

Product FAQ

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When considering which format to use for our data storage in physical databases, we must ask ourselves some important questions prior to making a choice. Following is a presentation of some key FAQs prior to our moving into the comparison of DBMS versus RDBMS and which is best for meeting our physical database storage needs.

1a. What is DBMS?

1b. What is RDMBS?

2. What Do DBMS and RDBMS Do? 

3. How Does Data Storage Work?

4. Where Can You Find DBMS and RDBMS?

5. What Is Data Integrity?

How We Reviewed

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Following is a comparison of the nine central characteristics we'll explore to illustrate the difference between DBMS and RDBMS. Through a consideration of these factors of the data storage solutions, the difference between DBMS and RDBMS will be illustrated to provide us with sufficient information through which to make a choice. Ultimately the format of our businesses and the unique needs thereof will dictate which software solution we use, with the following advantages and disadvantages of DBMS versus RDBMS providing us the information we need to understand the difference between DBMD and RDBMS.

Overall Price Range of This Product

DBMS and RDBMS are the platforms upon which many modern software suites are built. Thus, the price will vary depending upon which software suite is selected, and then will vary depending upon the characteristics and necessities of the organization implementing the system. The price range can vary widely depending upon the size of the organization, the volume of data it processes, and the retrieval and management methods that it requires to optimally leverage its information assets.

What We Reviewed

  • Normalization differences
  • Constraint differences
  • Data relationship
  • Uniform vs. tabular
  • Data storage
  • Objects vs. tables
  • Support for distributed databases
  • Amount of data
  • Data security properties


Normalization Differences

The normalization difference between DBMS and RDBMS is significant. In terms of DBMS, there is no normalization present. Conversely, there is normalization present within RDBMS.


Constraint Differences

The constraints that are applied within the context of software storage options are determined by the way in which data is manipulated. RDBMS employs the atomicity, consistency, isolation, and durability property known as ACID, while DBMS applies no security in terms of data manipulation, and thus is without constraints.


Data Relationship

The relationship between data in DBMS is hierarchical, in that data is generally stored in either a hierarchical or a navigational form. Within the context of RDBMS, the tables are provided with an identifier that is called the primary key, with the data values then being stored in the form of tables.

In DBMS a file system is used to store data, and thus there is no relationship in place between the tables. In terms of RDBMS, data values are stored within the form of tables, and thus there is a relationship between the data values that are stored within the table, also.


​​​Uniform vs. Tabular

SQL 101 – Difference Between DBMS and RDBMS

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DBMS employs uniform methods through which access to the stored information is provided. Conversely, the RDBMS system supports a tabular structure of the data, and so a relationship exists between them in order for the stored information to be accessed. In this particular category, the difference between DBMS and RDBMS is particularly pronounced.


​​​​Data Storage

The difference between DBMS and RDBMS is notable in terms of the data storage method that is used. DBMS uses a file system to store data that is employed within the software. Alternatively, in RDBMS, data is stored in the form of tables, which as discussed above are further broken down into additional elements through which the interrelationship between files is better tracked. This helps to ensure that elements being used in multiple files cannot be deleted in one file to the detriment of others.


​​​​​Objects vs. Tables

The use of objects on behalf of DBMS effectively insulates the data that is used into separate segments that are incapable of interacting with one another. This creates a less efficient and useful means of accessing and comparing data from different sources. RDBMS, by contrast, employs tables, and these tables have the ability to be interactively compared and contrasted to one another. The ability to better compare the information possessed through RDBMS can be a valuable asset on behalf of some organizations, depending upon their data manipulation needs.


​​​​​Support for Distributed Databases

When it comes to support for distributed databases, the difference between DBMS and RDBMS is substantial. DBMS does not support a distributed database, while RDMS does support a distributed database.


​​​​​​Amount of Data

Whether we have need to store a minute amount of data to provide for a small hobby side business with just a few customers, or must store the data of thousands of paying clients, the difference between DBMS and RDBMW will be more significant in some areas over others. What matters is the way in which we intend upon using our data, how many systems we'll have interactions with one another, and the way in which the information is best organized.

The volume of data that can be handled between DBMS and RDBMS is not a factor of substantial consideration as a database and data storage options can be custom-tailored to effectively match up with the needs of our organizations. Thus, the amount of data and the way in which we prefer it be organized, retrieved, and managed will determine whether we decide upon DBMS or RDBMS and to what degree of proficiency we intend upon assembling our systems around.


​​​​​​Data Security Purposes

SQL 101 – Difference Between DBMS and RDBMS

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When it comes to the use of data storage, retrieval, and management programs, the safety of data is of the utmost importance. We all have information that we'd prefer to keep confidential, particularly when it involves our identity or our credit card numbers. In terms of data security purposes, the difference between DBMS and RDBMS is security or none. DBMS does not apply any security in relation to the manipulation of data. RDBMS alternatively defines the integrity constraint through the application of the ACID property, atomicity, consistency, isolation, and durability.

The Verdict

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When choosing between DBMS and RDBMS, it is important that we first consider what the needs of our organization are. Is the storage of information in files that are not capable of interacting with one another our primary goal? Do we have a multi-layered system of data storage that comprises a wide variety of clients, the information of which must be capable of comparing side-by-side instantaneously? The first of these questions if answered in the affirmative would lead to the use of DBMS, while an affirmative answer to the second question would identify RDBMS as the ideal solution.

The difference between DBMS and RDBMS is significant in terms of storage, the relationship between the information contained in the databases, and the manner in which normalization is manifested. DBMS lacks security, has no relation between the tables it uses to store information, and is lacking in the presence of normalization. RDBMS is just the opposite.

While these findings exhibit the significant difference between DBMS and RDBMS, a verdict cannot be delivered in favor of one over the other without first carefully considering the needs of our organizations. Despite the differences, some businesses will certainly do better with one type of storage over the other.

Data storage is facilitated through the use of software solutions, with these solutions being based largely upon either DBMS or RDBMS. The ideal choice for our business depends entirely upon first considering what kind of data our business works with, the volume and interactivity thereof necessary, and the management preferences of the business. Choosing between DBMS and RDBMS is a decision a review of this article provides us with greater insight to make.