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Gadgets
Pioneering Tales: 8 Essential Works in Sci-Fi, Fantasy, and Horror
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November 2, 2024
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Mobile
Google Messages’ Learn Receipts Get Fresh New Look and Home in Android 11.
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November 1, 2024
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Technology
A dark and foreboding tale unfolds in this excerpt from Jeff VanderMeer’s latest novel, Absolution. The author of the Southern Reach trilogy weaves a sense of unease as he explores the treacherous landscape of human nature, where redemption and damnation blur like the lines on a map of a long-forgotten country. With prose that is both haunting and hypnotic, VanderMeer delves into the hearts of his characters, exposing their deepest fears and desires. Can they find absolution in this desperate world or will they succumb to its darkness?
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October 22, 2024
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Robotics
AI Learns to Recognize Emotions During Video Conferences
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October 20, 2024
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Mobile
Chrome on Android now learns as you browse across multiple apps?
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October 19, 2024
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Startup
Artificial intelligence may soon be able to grasp the emotions behind your words, a breakthrough that could revolutionize human-computer interaction.
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October 5, 2024
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Software Development
MongoDB 8.0 provides important efficiency enhancements to learn throughput, bulk writes, and extra
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October 2, 2024
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Big Data
What’s holding you back from unlocking real-time analytics? Seamlessly connect your data with AWS Glue, then effortlessly move it to Snowflake for actionable insights.
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August 20, 2024
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Big Data
What are SQL Queries? SQL queries are a set of commands used to retrieve and manipulate data stored in relational databases. They are used by developers to interact with the database, perform various operations on it and fetch results. What is SQL? SQL stands for Structured Query Language, a programming language designed for managing relational databases. It’s used by web developers to create dynamic websites that require interaction with databases. Benefits of Learning SQL 1. Understand Data Storage: Knowing how data is stored in a database helps you understand the purpose and structure of your tables. 2. Manipulate Data: You can insert, update or delete records from a table using SQL queries. 3. Querying Data: You can use SQL to retrieve specific data based on conditions, which helps you make decisions or perform analysis. SQL Basics 1. SELECT Statement: Use the SELECT statement to retrieve specific columns and rows of data from your database. 2. FROM Clause: The FROM clause is used to specify the tables that you want to query. 3. WHERE Clause: Use the WHERE clause to filter your results based on conditions, such as equaling a value or using logical operators. Examples of SQL Queries 1. Retrieving All Data: SELECT * FROM table_name; 2. Filtering Data: SELECT * FROM table_name WHERE column_name > 5; 3. Sorting and Limiting: SELECT * FROM table_name ORDER BY column_name LIMIT 10; How to Write Effective SQL Queries 1. Identify Your Goal: Determine what you want to achieve with your query. 2. Understand the Database Schema: Study the structure of your database, including table relationships and data types. 3. Use Relevant Clauses: Choose the right clauses (SELECT, FROM, WHERE) to get the desired results. Conclusion SQL queries are essential for any web developer who wants to interact with databases efficiently. With a solid understanding of SQL basics, you can retrieve, manipulate, and analyze your database data effectively.
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August 9, 2024
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Cyber Security
Russian hackers learn your emails to us, Microsoft warns extra clients
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June 30, 2024
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