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Databases
Mysql
5h
151
Galera Cluster for MySQL 8.0.36-26.18 released
- Codership has released Galera Cluster for MySQL 8.0.36-26.18, a new Generally Available (GA) release.
- The release includes MySQL-wsrep 8.0.36-26.18 and Galera replication library 4.18, implementing wsrep API version 26.
- This release primarily fixes a bug in the CLONE SST script related to port configuration variable.
- Users are encouraged to upgrade from MySQL 8.0.35 or previous 8.0.36-26.17 release.
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Dev
11h
57
Image Credit: Dev
Using Temporary Tables in MariaDB
- Temporary tables in MariaDB are used for handling transient data operations.
- They behave like normal tables during the current session but are not visible to other sessions.
- Temporary tables can be created using the TEMPORARY keyword and exist only for the duration of the session.
- They are useful for manipulating or transforming data temporarily without affecting the persistent data store.
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3 Likes
Pymnts
13h
214
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Oracle Adds AI-Powered Vector Search to Converged Database
- Oracle introduces Oracle Database 23ai, with more than 300 features aimed at simplifying the use of AI with data.
- One of the key highlights is the introduction of Oracle AI Vector Search capabilities, enabling conceptual content-based search for unstructured data.
- Oracle Database 23ai brings AI algorithms to where the data lives, improving the effectiveness, efficiency, and security of AI applications.
- Available as cloud services on Oracle Cloud Infrastructure, Oracle Database 23ai offers various additional capabilities including Oracle Exadata System Software 24ai and OCI GoldenGate 23ai.
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12 Likes
Medium
17h
81
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Great Gamified SQL Courses for Beginners
- SQL Murder mystery is a fun themed puzzle game for beginners to navigate.
- SQLPD is a crime-themed game with small tasks and a charming UI, but it's paid on license.
- SQL Island is a non crime-themed game with cute storylines, great for younger learners.
- Coding Bat is a free algorithm game recommended by the author.
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4 Likes
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Dev
23h
321
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The best type for storing money in our posgresql db
- When storing money data in a Postgresql database, several options are available.
- The MONEY type has limitations and cannot handle fractions or multiple currencies.
- The FLOAT type is not recommended due to the inaccurate representation of decimal numbers.
- The VARCHAR type is not suitable for arithmetic operations and requires conversion.
- The recommended option is using the NUMERIC type, which supports decimal numbers and can handle large values.
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19 Likes
Dev
1d
285
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Quick SQL guide and cheat sheet: Essential Commands
- The guide simplifies SQL, focusing on commonly used commands for effective data handling.
- Key SQL commands include: SELECT, INSERT, UPDATE, DELETE
- FAQ: What is a subquery? How does transaction control work? How can I improve SQL query performance? What are SQL transaction control commands?
- Conclusion: This SQL cheat sheet is a quick reference for routine SQL tasks, suited for beginners and experienced users alike.
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17 Likes
Medium
1d
316
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Using Hadoop distribution in DataProc (Google Cloud), solving below task using MapReduce
- Google Cloud Dataproc is a fully managed service that simplifies big data processing.
- It supports popular tools like Hadoop, Spark, Hive, Pig, HBase, and Presto.
- Enabling APIs in Google Cloud is necessary to communicate with and use Dataproc services.
- Enabling the cloud dataproc API allows projects to access the features and functionality of Dataproc.
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19 Likes
Dev
1d
292
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ERROR 1130 (HY000): Host '123.32.23.12' is not allowed to connect to this MySQL server
- Error 1130 (HY000): Host '123.32.23.12' is not allowed to connect to this MySQL server.
- To connect to the MySQL server, make sure your IP has access to the database server.
- Check the IP address of the system you want to grant access to with the following query: SELECT host FROM mysql.user WHERE User = 'root';
- If the IP address is not listed, you need to add it and grant privileges using the CREATE USER and GRANT statements.
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17 Likes
Cloudblog
1d
158
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Enhancing iEEG seizure identification and similarity search with Google Cloud
- NeuroPace, Inc. is using Google Cloud to enhance iEEG seizure identification and similarity search.
- NeuroPace's RNS System monitors brain activity and delivers targeted electrical stimulation to prevent seizures.
- By leveraging Google Cloud AI infrastructure, NeuroPace has improved ML training capabilities and reduced processing time.
- They have also utilized AlloyDB AI for patient similarity search, aiding in personalized epilepsy treatment.
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9 Likes
Medium
1d
69
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Understanding Loops in MySQL: A Comprehensive Guide
- Loops are fundamental programming constructs used to execute a block of code repeatedly until a certain condition is met.
- In the context of MySQL, loops enable developers to perform iterative operations within stored procedures, functions, and scripts.
- Loops in MySQL have several advantages, including data manipulation and processing, procedural logic and flow control, efficiency and performance optimization, automation and batch processing, custom business logic implementation, enhanced functionality of stored procedures and functions, and seamless integration with application logic.
- MySQL supports three main types of loops: WHILE, REPEAT, and LOOP.
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4 Likes
Dev
2d
54
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Getting Started with Prometheus Alerting
- This article explains how to set up notifications for a MySQL server using Prometheus Alertmanager.
- To start, create a network and run MySQL and MySQL Server Exporter in Docker containers.
- Next, configure Alertmanager using Docker and create the necessary configuration file.
- Finally, run Prometheus in a container, configure it with the necessary files, and test by stopping the MySQL server.
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3 Likes
Dev
2d
263
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Tracking Personal Finances with SQL: Learn As You Manage Your Money!
- SQL (Structured Query Language) is a powerful tool for tracking personal finances.
- Setting up a finance database using platforms like SQLite, MySQL, or PostgreSQL.
- Inserting data into the expenses table to log expenses.
- Querying the data to analyze expenses, calculate totals, and generate reports.
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15 Likes
Dev
2d
366
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Fetching Data (Next.js)
- Next.js provides multiple ways to fetch data, including using APIs, ORMs, and SQL queries.
- An API layer can be used to interact with 3rd party services or fetch data from the client.
- Database queries can be written using SQL or an ORM like Prisma.
- Using React Server Components allows fetching data on the server and skipping the API layer.
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22 Likes
Dev
2d
252
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Inside GmOwl: A Guide to Quiz Functionality
- GmOwl is an organized and engaging learning platform developed for versatile quizzes.
- The main objective of GmOwl is to provide an engaging user experience and comprehensive control for administrators.
- The platform uses Java EE with MVC template and the InterSystems IRIS database.
- GmOwl offers basic features like registration, authorization, home and profile pages along with quiz-specific features.
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15 Likes
Medium
2d
217
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Mastering Top 10 SQL Concepts
- Aggregate functions such as SUM and AVG are fundamental tools in SQL for performing calculations on sets of values.
- The GROUP BY and ORDER BY clauses are essential for organizing and arranging data in SQL queries.
- Understanding various types of JOIN operations is pivotal for combining data from multiple tables in SQL queries.
- The UNION and UNION ALL operators in SQL are used to combine the results of two or more SELECT statements into a single result set.
- Efficient manipulation of date and time data is crucial for various data analysis tasks.
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