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What Is Sql
8 January 2023
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Bibhabendu
Data is more visible when you know how to play with it.
SQL
What is SQL
SQL (Structured Query Language) is a programming language used to manage and manipulate data stored in relational databases. It allows users to create, modify, and query databases, and perform operations like inserting, updating, deleting, and retrieving data. SQL is used by businesses and organizations of all sizes to organize and manage their data efficiently, and is an essential skill for data analysts, developers, and database administrators.
Advantages of using SQL:
- Easy to use: SQL has a simple and intuitive syntax that is easy to learn and use, making it accessible to users of all skill levels.
- Widely adopted: SQL is widely used in businesses and organizations of all sizes, making it a valuable skill for data analysts, developers, and database administrators.
- Scalable: SQL databases can handle large amounts of data and can be scaled up to meet the needs of growing businesses.
- Flexible: SQL is a flexible language that can be used to perform a wide range of operations on relational databases, including inserting, updating, deleting, and querying data.
- Secure: SQL databases offer strong security features, such as access controls and data encryption, to protect sensitive data from unauthorized access.
- Efficient: SQL databases are designed to be highly efficient, with fast search and retrieval times, which is essential for applications that require quick access to data.
- Standardized: SQL is a standardized language, which means that databases from different vendors can be accessed using the same commands and syntax, making it easier to switch between different systems.
CREATE TABLE table1 (
id INT PRIMARY KEY,
name VARCHAR(50),
age INT,
email VARCHAR(50),
address VARCHAR(100)
);
this is Bibhabendu
this is a good
Now let see what will happened if we take a slight different step and have
a great choice A blog (a truncation of "weblog")[1] is a discussion or informational website published on the World Wide Web consisting of discrete, often informal diary-style text entries (posts). Posts are typically displayed in reverse chronological order so that the most recent post appears first, at the top of the web page. The first blogger of the internet, named Justin Hall, a college undergrad, was found in 1994.[2][3] That site was links.net and still active till the date. Until 2009, blogs were usually the work of a single individual,[citation needed] occasionally of a small group, and often covered a single subject or topic. In the 2010s, "multi-author blogs" (MABs) emerged, featuring the writing of multiple authors and sometimes professionally edited. MABs from newspapers, other media outlets, universities, think tanks, advocacy groups, and similar institutions account for an increasing quantity of blog traffic. The rise of Twitter and other "microblogging" systems helps integrate MABs and single-author blogs into the news media. Blog can also be used as a verb, meaning to maintain or add content to a blog.
"Now see the another one "
The emergence and growth of blogs in the late 1990s coincided with the advent of web publishing tools that facilitated the posting of content by non-technical users who did not have much experience with HTML or computer programming. Previously, knowledge of such technologies as HTML and File Transfer Protocol had been required to publish content on the Web, and early Web users therefore tended to be hackers and computer enthusiasts. In the 2010s, the majority are interactive Web 2.0 websites, allowing visitors to leave online comments, and it is this interactivity that distinguishes them from other static websites.[4] In that sense, blogging can be seen as a form of social networking service. Indeed, bloggers not only produce content to post on their blogs but also often build social relations with their readers and other bloggers.[5] However, there are high-readership blogs which do not allow comments.