Remember when there were times when you used to jot down important stuff that
you chances were that you probably remembered to do that important but there are
much better odds that you forgot about that task and have just gotten about with
Certainly if you compare now big businesses used to store their important
information you can just tell that there was a problem here that needed addressing.
SQL was invented by IBM researchers in the 1970s. SQL is a programming language
that is used to interface with databases. It understands and analyzes database tables
that include data fields. For example, take a large organization that has to store a lot
of data. The organization collects and stores information from various departments.
All the gathered information is organized and stored in a database, but it has to be
valuable and accessible that's where SQL comes in.
You may ask by looking at the above paragraph that what is a database concept? A
database is basically a brick of data which stores information in the form of tables.
SQL is a powerful language that can help manage and modify large volumes of data.
Some important SQL commands include: SELECT, DELETE, CREATE DATABASE,
INSERT INTO, ALTER DATABASE, CREATE TABLE, and CREATE INDEX. SQL is the most
popular language for accessing databases as it is compatible with all databases.
Advantages of learning SQL
1) Universal Language: One of the methods that crosses over into many different
areas is SQL. Working with SQL involves speaking computer language. This
motivates you to advance into programming using other languages, such as
demand.All you need to succeed with a programming language is a vision of
the industry you want to work in. You can improve your skills to specialise as a
programmer, developer, manager, and more during the time you spend
learning SQL. Although it seems corny, there are virtually no restrictions on
what you can accomplish with SQL.
2) Easy to Learn: SQL is an open-source programming language, so it has a large
developer community. Many SQL and MySQL-related topics are consistently
posted on StackOverflow. SQL is easier to learn than other programming
languages such as C++. Furthermore, many popular SQL databases (MySQL,
MariaDB, and Postgres) are open-source.
3) Able to manage millions of data: Traditional spreadsheets can only handle
small-to-medium-sized data sets, so we'll need an alternative solution to
handle such massive data sets. Fortunately, this is a field where SQL shines:
whether it's 1,000 records or 100 million, SQL is completely capable of handling
data pools of virtually any size.
Did your spreadsheet crash because there were thousands of columns of
data? Relational databases are designed to store data in millions of rows. SQL
allows you to perform operations on this massive amount of data without fear
of crashing. Microsoft Excel is a fantastic tool, but it was not designed to
handle tasks on millions of rows at once. Relational databases are designed for
such large tasks, and SQL is the language used to create them.
A lot of people might think looking at the title of the blog and also might think from
the name of the programming language, NoSQL that it was developed in order to
address the drawbacks of SQL but that isn’t the case here, The language was
developed in relation to SQL.
With the rise of social media, messaging apps and various other social media sites it
was time to develop a programming language to help us manage with this huge
inlow of data. Yes, SQL came first. It’s used to communicate with relational databases.
Relational databases store data in a very organized, but also rigid way. NoSQL,
earning it’s name by being “not only SQL” makes it easier to store all different types
of data together. It’s used for its flexibility and therefore speed and scalability in
managing large volumes of data.
The ability to store large amounts of data in a flexible manner speeds up the
development of NoSQL. You may: Create a database without first developing a detailed database model. Store all types of data without defining the type of data ahead of time. Add new data types without rewriting the schema. NoSQL works well with high-speed, agile development teams. It enables rapid changes to the database schema as the scope and requirements evolve.
Again, this does not imply that SQL is slow. If your data is highly structured and you
expect little change, NoSQL is probably unnecessary. SQL is mature and supported
by a strong technical community, so your engineers will not encounter problems
that they cannot solve. Using NoSQL Standardization is also lacking in NoSQL databases. For example, MongoDB and Cassandra DB are both good NoSQL databases for a new NoSQL engineer to learn.
However, if an engineer first learns MongoDB, they may struggle with Cassandra DB
due to the lack of standards in NoSQL.
One of the main issue with SQL is scalability, we are in a constant need for scaling up,
By scaling up we mean adding extra hardware, RAM, processing power in order to
increase capacity. With SQL we’re limited because we will inevitably max out on
capacity and scaling up is expensive. Scaling out with SQL is possible, but requires
extensive effort (partitioning, sharding, clustering, etc.) and cost.
NoSQL engines are built to scale out and take advantage of cloud computing. When
we scale out or horizontally, we add resources to a single node (a computer or
server). We can run a single database on multiple nodes. We can easily add and
remove nodes when we scale out (or back in). As a result, NoSQL is an excellent
choice for the cloud. You will be maximising the cloud's scalability benefits because it
can scale out. You can run SQL on Azure, for example, but your ability to scale will be
When to use NoSQL instead of SQL?
1) You are constantly adding new features, functions and data types
2) Changing a data model is clunky and requires more time doing the same in
NoSQL. A lot of time is invested designing the data model because changes
will impact all or most of the layers in the application.
3) In NoSQL, we are working with a highly flexible schema design or no
4) You are not concerned with data consistency, and complete data integrity is
not your primary goal.
5) You have a lot of data, a variety of data types, and your data requirements will
only grow over time.
When to use SQL instead of NoSQL?
1) You are working with complex queries and other related stuff
2) If you are not working with a lot of databases and functions SQL is the best to
use. NoSQL will seem overwhelming if not a lot of databases and functions are
3) You need to ensure ACID compliance. ACID stands for Atomicity, Consistency,
Isolation, and Durability. These words describe how transactions interact with
Now you know when and how to use both these very useful languages according to
your business needs. With the rise of Cloud Computing, SQL is also available as a
cloud service provided by Google Clouds in order to have an alternative to the local
versions of MySQL, and other SQL-based data servers.
Combining them with all of the APIs, the machine learning algorithms, and deep
learning algorithms available as a service to the users, Cloud Computing acts as the
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