Analytics Vidhya

OCTOBER 1, 2024

Introduction The WHERE clause is an essential component that is used in SQL statements. This option is used for filtering records in order to give out specific data from the database files.

SQL 254

SQL Database Analytics Analytics 254

Analytics Vidhya

JUNE 25, 2024

Introduction If you are someone who handles databases at work, I’m sure you use SQL a lot. Doesn’t SQL make it a breeze to work with and edit the contents of large databases?

SQL 288

SQL Data Analyst Database Data Scientist 288

Analytics Vidhya

JULY 2, 2024

Introduction Structured Query Language (SQL) is the foundation of managing and manipulating relational databases. One of the most powerful features in SQL is the use of views. They simplify and compress complex queries, making database interactions more efficient and manageable. appeared first on Analytics Vidhya.

SQL 319

SQL Data Analyst Database Analytics 319

Analytics Vidhya

JULY 4, 2024

Introduction An index is a unique lookup table in SQL databases that the database search engine can use to expedite data retrieval. When an index is built on a table’s columns, the database can locate rows considerably more quickly than in the absence of an index. appeared first on Analytics Vidhya.

SQL 289

SQL Database Analytics Analytics 289

Analytics Vidhya

FEBRUARY 27, 2023

The database is the major element of a data science project. To generate actionable insights, the database must be centralized and organized efficiently. If a corrupted, unorganized, or redundant database is used, the results of the analysis may become inconsistent and highly misleading. appeared first on Analytics Vidhya.

Database 315

Database SQL Data Science Analytics 315

Analytics Vidhya

JULY 8, 2024

Introduction Managing data transactions is an important skill to have while working with databases. Tools like Structured Query Language (SQL) help you do this efficiently. In this […] The post Difference Between SQL Commit and SQL Rollback appeared first on Analytics Vidhya.

SQL 277

SQL Database Analytics Analytics 277

Analytics Vidhya

JULY 18, 2022

Introduction Relational databases are here to stay, regardless of the hype and the rise of newer ones called NoSQL databases. The simple reason is that relational databases enforce basic structure and constraints and provide a friendly, declarative language for querying data (that we […].

Database 294

Database SQL Data Science Analytics 294

Analytics Vidhya

JUNE 21, 2024

Introduction SQL is a go to tool when working with data, and so is important for anybody working with data. SQL has a wide range of functions for creating, manipulating, and managing databases, making it all so easy.

SQL 277

SQL Database Analytics Analytics 277

Analytics Vidhya

JULY 3, 2024

Introduction When working with databases, one of the most important things to manage is who can do what within your database. Structured Query Language (SQL) has a function to help you with this. The SQL GRANT command lets you assign specific permissions to different users. appeared first on Analytics Vidhya.

SQL 292

SQL Database Analytics Analytics 292

Analytics Vidhya

JUNE 11, 2024

Introduction Stored procedures are a crucial part of SQL databases. They consist of prepared SQL code that you can save and reuse. This article […] The post Stored Procedure in SQL appeared first on Analytics Vidhya. This article […] The post Stored Procedure in SQL appeared first on Analytics Vidhya.

SQL 302

SQL Database Analytics Analytics 302

Analytics Vidhya

JUNE 3, 2024

Introduction In SQL and database management, efficiently querying and retrieving data is paramount. Unlike basic string functions, CONTAINS enables complex queries and patterns, making it a powerful asset for developers and database administrators. […] The post What is CONTAINS in SQL?

SQL 319

SQL Database Administration Database Analytics 319

Analytics Vidhya

FEBRUARY 2, 2023

Introduction SQL injection is an attack in which a malicious user can insert arbitrary SQL code into a web application’s query, allowing them to gain unauthorized access to a database. We can use this to steal sensitive information or make unauthorized changes to the data stored in the database.

SQL 271

SQL Database Analytics Analytics 271

Analytics Vidhya

JULY 5, 2024

Introduction In relational databases, where data is meticulously organized in tables, understanding their structure is essential. SQL’s DESCRIBE (or DESC in some database systems) command gives you to become a data detective, peering into the internal makeup of your tables and extracting valuable information.

SQL 316

SQL Database Analytics Analytics 316

Analytics Vidhya

JUNE 10, 2024

Introduction In SQL, comparison operators are crucial for querying databases. The SQL Not Equal operator is one of the most used. It excludes specific data from query results, making it vital for database management. Whether […] The post Understanding SQL Not Equal Operator appeared first on Analytics Vidhya.

SQL 293

SQL Database Analytics Analytics 293

Analytics Vidhya

JUNE 21, 2024

Introduction An extensive explanation of SQL Data Manipulation Language (DML) commands is given in this article. DML commands are essential for managing and changing data in databases.

SQL 297

SQL Database Analytics Analytics 297

Analytics Vidhya

JUNE 10, 2024

Introduction SQL (Structured Query Language) is an important topic to understand while working with databases. It allows us to interact with databases efficiently. These commands help define and manage the structure of database objects, making them essential for any database system.

SQL 294

SQL Database Analytics Analytics 294

Analytics Vidhya

JULY 3, 2024

Introduction Keys are an important part of SQL, and the primary, foreign, and candidate keys hold a significant value. They are used to design our database, Ensure the integrity of our data, and create an efficient way to retrieve records. Further in […] The post What are the SQL Alternate Keys? Intriguing right?

SQL 318

SQL Database Analytics Analytics 318

KDnuggets

SEPTEMBER 16, 2022

Get up to speed on SQL and relational databases with this free video course.

SQL 367

SQL Database 367

Analytics Vidhya

JUNE 21, 2024

Introduction ALTER command is one of the most important SQL functions to know for database manipulation and management. In addition, ALTER TABLE […] The post SQL ALTER TABLE Statement appeared first on Analytics Vidhya. We’ll look at different ways to use the ALTER command to highlight its flexibility.

SQL 289

SQL Database Analytics Analytics 289

Analytics Vidhya

JUNE 23, 2024

Introduction Data Control Language (DCL) commands are fundamental in SQL for managing access and permissions within the database. These commands allow database administrators to regulate data access for various users, ensuring security and effective data management. appeared first on Analytics Vidhya.

SQL 302

SQL Database Administration Database Analytics 302

Analytics Vidhya

JULY 7, 2024

Introduction TCL (Transaction Control Language) commands are crucial in SQL overseeing changes enacted by DML (Data Manipulation Language) statements. These commands enable users and database administrators to manage transaction processes, maintaining data consistency and integrity. Learning Objectives What are TCL Commands?

SQL 319

SQL Database Administration Database Analytics 319

Analytics Vidhya

SEPTEMBER 18, 2024

Introduction Have you ever wished you could simply chat with your database, asking questions in plain language and getting instant, relevant answers? Imagine the possibilities – no more complex SQL queries or digging through spreadsheets. Well, with the power of LangChain and its new SQL toolkit, that’s exactly what you can do!

SQL 290

SQL Database AI AI 290

Analytics Vidhya

JULY 11, 2024

In the world of databases, these rules are known as integrity constraints. Just as a society thrives when everyone abides by its laws, a database remains accurate and consistent when its data adheres […] The post What are Integrity Constraints in SQL? appeared first on Analytics Vidhya.

SQL 297

SQL Database Analytics Analytics 297

Analytics Vidhya

SEPTEMBER 26, 2024

Introduction In the world of databases, NULL values can often feel like the proverbial black sheep. Imagine you’re analyzing a sales database, and some entries lack customer feedback or order quantities. They represent missing, undefined, or unknown data, and can pose unique challenges in data management and analysis.

SQL 229

SQL Database Analytics Analytics 229

Analytics Vidhya

AUGUST 5, 2024

While people think about an efficient and robust building’s design when they hear an architect’s plan, a schema in SQL is a blueprint into how data in a database will be arranged. It gives the specification on how the data […] The post What is Schema in SQL? appeared first on Analytics Vidhya.

SQL 262

SQL Database Analytics Analytics 262

Analytics Vidhya

JANUARY 17, 2024

Introduction Structured Query Language (SQL) is the backbone of relational database management systems, empowering users to interact with and retrieve information from databases. When working with databases, sorting the data in a specific order is often necessary to make it more meaningful and easier to analyze.

SQL 309

SQL Database Analytics Analytics 309

Data Science Dojo

JULY 12, 2023

Welcome to the world of databases, where the choice between SQL (Structured Query Language) and NoSQL (Not Only SQL) databases can be a significant decision. In this blog, we’ll explore the defining traits, benefits, use cases, and key factors to consider when choosing between SQL and NoSQL databases.

SQL 195

SQL Database Big Data Big Data 195

Analytics Vidhya

JULY 29, 2024

Introduction The CONCAT function in Structured Query Language (SQL) connects or concatenates two or more strings into a single string. This feature is crucial for data formatting and modification, which makes it an indispensable tool for database developers and administrators. The […] The post What is CONCAT in SQL?

SQL 267

SQL Database Analytics Analytics 267

Analytics Vidhya

JUNE 20, 2024

Introduction SQL is an essential tool to know for anybody working with data. It comes with a range of functions that make querying in databases, a breeze. In this article, we are going to see one of the fundamentals of SQL, the SELECT statement.

SQL 296

SQL Database Analytics Analytics 296

Analytics Vidhya

MAY 22, 2021

The post How to Fetch Data using API and SQL databases! ArticleVideo Book This article was published as a part of the Data Science Blogathon Introduction Getting complete and high-performance data is not always the case. appeared first on Analytics Vidhya.

SQL 400

SQL Database Data Science Analytics 400

Analytics Vidhya

JUNE 18, 2024

Introduction Ever wonder how to get a complete picture of your company from different databases? SQL can help! In this article, we’ll explore how to use SQL queries like JOIN, UNION, etc. Overview Let’s dive […] The post 11 Ways to Merge Tables in SQL appeared first on Analytics Vidhya.

SQL 309

SQL Database Analytics Analytics 309

Analytics Vidhya

AUGUST 1, 2024

One swears by SQL, arguing that its structured queries and robust data management are the backbone of their database. The other is a Python enthusiast, convinced that its versatility and powerful libraries […] The post SQL vs Python: Which Language is Right for You? appeared first on Analytics Vidhya.

SQL 299

SQL Python Database Analytics 299

Analytics Vidhya

APRIL 26, 2022

Introduction on Apache Cassandra Apache Cassandra is a scalable database intended to manage massive volumes of data over many commodity computers while maintaining high availability and avoiding a unique failure point. It has high performance, and it is a NO-SQL database. Before understanding […].

SQL 263

SQL Database Data Science Analytics 263

KDnuggets

JUNE 10, 2024

Learn SQL and databases through free courses, tutorials, tools, guides, books, practice exercises, projects, awesome lists, and other resources.

SQL 333

SQL Database 333

Analytics Vidhya

OCTOBER 17, 2020

Overview Understand what SQL and NoSQL databases are. Go through the prominent difference between SQL and No SQL Databases. The post SQL vs NoSQL Databases – A Key Concept Every Data Engineer Should Know appeared first on Analytics Vidhya. This is not an exhaustive.

SQL 382

SQL Data Engineering Data Engineer Data Engineering 382

Analytics Vidhya

JULY 1, 2024

Introduction SQL is easily one of the most important languages in the computer world. It serves as the primary means for communicating with relational databases, where most organizations store crucial data. SQL plays a significant role including analyzing complex data, creating data pipelines, and efficiently managing data warehouses.

SQL 289

SQL Data Warehouse Data Pipeline Database 289

Analytics Vidhya

AUGUST 1, 2024

Introduction In Data management, SQL is your trusty sidekick, ready to adapt and evolve alongside your business needs. Ever found yourself needing to tweak your database setup on the fly? This article will walk you through the ins and outs of adding columns to an existing table […] The post How to Add a Column in SQL?

SQL 280

SQL Database Analytics Analytics 280