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Databases
Dev
5d
274
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What is a Database? An Introduction
- A database is a system that stores information so you can easily find, add, or change it later.
- SQL (Structured Query Language) is used to work with databases and manage data.
- RDBMS (Relational Database Management System) is the software that manages databases and organizes data in tables.
- DDL (Data Definition Language) and DML (Data Manipulation Language) are important components of working with databases.
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16 Likes
Medium
5d
254
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Learn JMS Queuing in Oracle Database
- Learn JMS Queuing in Oracle Database
- A database script is used to create a JMS queue in Oracle Database.
- The QueueProducer and QueueConsumer classes are provided as reference implementations for producing and consuming messages from the JMS queue.
- A JUnit test is included to concurrently run a producer and multiple consumers against a containerized instance of Oracle Database Free.
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15 Likes
Dev
6d
173
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Key Features No Longer Supported in Oracle 23ai
- The Database Upgrade Assistant (DBUA) and manual upgrades are no longer supported in Oracle 23ai, with the recommendation to use AutoUpgrade for database upgrades.
- The exp/imp tools, though not supported, are still present in Oracle 23.5 and can be used as an alternative to DataPump.
- Traditional Auditing is no longer supported in Oracle 23ai, while pre-existing policies from earlier versions remain active.
- The Data Recovery Advisor (DRA) feature has been fully removed in Oracle 23ai with no replacement.
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VentureBeat
6d
355
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Microsoft infuses enterprise agents with deep reasoning, unveils data Analyst agent that outsmarts competitors
- Microsoft has announced significant additions to its Copilot Studio platform, unveiling deep reasoning capabilities and specialized agents like Researcher and Analyst for Microsoft 365 Copilot.
- The Analyst agent functions as a personal data scientist, processing diverse data sources and generating insights without technical expertise from users.
- Microsoft has leveraged its understanding of Excel workflows to create the Analyst agent, making it valuable for financial analysis and operational reporting.
- The deep reasoning capability enables agents to tackle complex analytical work by invoking advanced reasoning models like OpenAI's o1, allowing agents to handle ambiguous business problems more methodically.
- Microsoft's agent flows combine rule-based workflows with AI reasoning, enabling scenarios like intelligent fraud prevention and optimization in companies like Pets at Home and Dow Chemical.
- Microsoft's enterprise data integration through the Microsoft Graph provides agents with contextual awareness, enhancing relevance based on workplace relationships.
- Microsoft aims to make these capabilities accessible to organizations of varying technical resources, with over 100,000 organizations using Copilot Studio and creating more than 400,000 agents in the last quarter.
- While competition in the enterprise agent space is intensifying with companies like Google, OpenAI, Salesforce, Oracle, SAP, and AWS entering the market, Microsoft's advantage lies in its comprehensive approach and strong coupling with OpenAI's reasoning models.
- Microsoft focuses on business outcomes rather than raw AI capabilities, offering a wide range of agents tailored for specific business processes and individual work patterns.
- Enterprise decision-makers are advised to consider integration with existing tools and data when selecting an agent platform, where Microsoft's strong user base in tools like Excel and Power Automate provides an advantage.
- Microsoft's ecosystem combines personal copilots and specialized agents to drive practical business applications with measurable ROI, highlighting the maturity of agent technology in delivering business results.
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Amazon
7d
261
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Transition a pivot query that includes dynamic columns from SQL Server to PostgreSQL
- When transitioning from SQL Server to PostgreSQL and dealing with the PIVOT function for dynamic reports, a workaround involves using PostgreSQL's crosstab function.
- The previous solution using CASE WHEN for each pivoted column in SQL Server is shown to have limitations in terms of scalability and code maintenance.
- PostgreSQL's crosstab offers flexibility by dynamically generating columns based on query results, making it suitable for varying data sets.
- The implementation involves creating a new function in PostgreSQL, get_dynamic_pivot_data, to mimic SQL Server's PIVOT functionality.
- The solution handles multiple fixed and variable columns in a pivot table, using a psycopg2 cursor and refcursor.
- Prerequisites for testing include configuring AWS settings, installing PostgreSQL clients, and using tools like pgAdmin or psql.
- On the SQL Server side, the PIVOT function is used to pivot dynamic columns and generate pivot tables after creating necessary tables and stored procedures.
- In PostgreSQL, the crosstab function is employed, and sample tables are created with similar data to SQL Server.
- The PostgreSQL function get_dynamic_pivot_data is implemented to handle dynamic columns and return pivot-like query results.
- Additionally, testing the PostgreSQL function with C# involves using the Npgsql package and incorporating AWS SDK and Secrets Manager for security.
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15 Likes
Amazon
7d
178
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Integrate natural language processing and generative AI with relational databases
- Organizations are facing challenges in accessing data stored in RDBMS applications, often requiring SQL expertise.
- Using AI and NLP capabilities like Amazon Bedrock can enable users to interact with databases through natural language.
- This approach democratizes data access and reduces the need for SQL knowledge.
- The solution uses Anthropic's Claude 3 Sonnet model to convert natural language queries into SQL.
- An architecture involves a Flask web app, JavaScript, Python, Amazon Bedrock, and AWS Secrets Manager to interact with an Aurora PostgreSQL database.
- Prerequisites include an EC2 instance, Anthropic’s model access, Secrets Manager, and an Aurora PostgreSQL database.
- Tables like customers, items, and orders are created in the database to simulate data for queries.
- Security measures such as configuring security groups, IAM roles, and web server access are essential.
- Code execution processes are detailed for interfacing with Amazon Bedrock and displaying results on a webpage.
- Testing the solution involves running sample prompts to generate reports and interacting with database data as per the natural language input.
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10 Likes
Dev
7d
78
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DAY5 OF PSQL Using Join Query
- INNER JOIN: Returns only the rows that have matching values in both tables.
- LEFT JOIN: Returns all rows from the left table and matching rows from the right table.
- RIGHT JOIN: Returns all rows from the right table and matching rows from the left table.
- FULL JOIN: Returns all rows when there is a match in either table.
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4 Likes
Cloudblog
1w
70
Image Credit: Cloudblog
Build gen AI agents using Google Cloud databases
- Enterprises building generative AI agents require real-time data, typically stored in databases, for agentic orchestration.
- A new tech stack comprising models, tools, data stores, and applications is crucial for enterprises based on scalability, performance, security, and manageability.
- AI agents are developed to deliver personalized experiences, enhance productivity, aid in content generation, conduct data analysis, accelerate software development, and strengthen security.
- Agentic applications have a more sophisticated orchestration module enabling reasoning and planning using various tools.
- Agent runtimes consist of modules like orchestration, models for reasoning, and data retrieval from different sources.
- Connecting agents to Google Cloud Databases through agentic orchestration streamlines complex tasks and automates workflows.
- Gen AI Toolbox for Databases facilitates connecting production-grade AI applications to databases, improving tool management, security, scalability, and manageability.
- Using natural language to query databases, AlloyDB enables conversion of queries for efficient data access and retrieval by agents.
- Spanner's Graph capabilities simplify handling complex data models for agents by supporting graph, vector, and full-text search in a single database.
- The integration of Gen AI Toolbox with Google Databases enables developers to build sophisticated agentic apps efficiently.
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Cloudblog
1w
375
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Nuro drives autonomous innovation with AlloyDB for PostgreSQL
- Nuro, a robotics company specializing in self-driving technology, adopted AlloyDB for PostgreSQL to enhance data processes and AI model development.
- The migration to AlloyDB provided Nuro with scalability, high performance, and advanced query capabilities, supporting AI-driven insights across vast data points.
- AlloyDB AI enables Nuro to conduct complex similarity searches on vector embeddings, aiding continuous improvement.
- Nuro Driver, powered by AI technology, is used by automakers and mobility providers for autonomous vehicles in various applications.
- AlloyDB seamlessly integrated into Nuro's existing PostgreSQL setup, offering superior performance, ease of use, and efficient management.
- AlloyDB manages metadata for logs, trips, simulations, and real-time autonomy issues, supporting Nuro's analytical workloads.
- AlloyDB on Google Cloud handles petabytes of data, facilitating AI model training, evaluation, and simulation for route optimization and real-world learning.
- AlloyDB's fully managed service reduces the burden of scaling and maintenance, allowing Nuro to focus on enhancing AI models.
- AlloyDB AI facilitates ML-based similarity searches across millions of vectors, aiding Nuro in identifying scenarios for improvement.
- AlloyDB's high query performance and scalability support continuous model training on increasingly complex road conditions.
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Dev
1w
87
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Accessing MySQL Server from a Remote Machine in the Same Network
- To connect to a MySQL server running on a local network from a different machine, follow these steps.
- Verify network connectivity by pinging the MySQL server and testing port connectivity.
- Grant remote access in MySQL by updating user privileges and allowing remote connections in the server's configuration file.
- Connect to MySQL from the remote machine using the specified IP and port.
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5 Likes
Medium
1w
117
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NLQ-to-SQL Evaluation: A Hands-On Guide
- This article provides a step-by-step guide to evaluating NLQ-to-SQL pipelines.
- The article covers metrics such as F1 scores for entity types, semantic equivalence score, Halstead complexity score, SQL injection pattern detection, data retrieval accuracy, and resource utilization.
- Practical recommendations are provided for each metric, helping to interpret the scores and identify areas for refinement, debugging, or enhancement.
- Rigorous evaluation and metric-driven feedback loops are crucial for building trustworthy NLQ-to-SQL systems powered by LLMs.
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7 Likes
Dev
1w
284
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Calculate a Pair of Minimum Values that Meet the Criteria within the Group — From SQL to SPL #12
- A table stores events that occur for multiple accounts on multiple dates.
- We need to find a pair of events that meet the criteria under each account: event a with the earliest date and event b with the earliest date among events that are more than 30 days away from event a.
- In SQL, it involves multiple CTE clauses and is cumbersome to implement. In SPL, using grouping and sequence numbers, it becomes easier to select the first records within groups and the first record of the filtered result.
- SPL Solution: Load data, group by account, select the first record from each group, filter out records more than 30 days away from the first record, select the first record again. Lastly, union the results for each group.
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17 Likes
Dev
1w
235
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OCI 2024 Security Professional: Key Skills & Best Practices for Cloud Security
- OCI 2024 Security Professional certification focuses on securing applications and data in Oracle Cloud Infrastructure (OCI).
- Key skills for OCI 2024 Security Professional include identity and access management, network security, data protection and encryption, security monitoring and incident response, and compliance and governance.
- Best practices for cloud security in OCI involve implementing strong identity and access controls, securing network infrastructure, encrypting sensitive data, monitoring and responding to security incidents, and ensuring compliance and continuous improvement.
- OCI 2024 Security Professional certification equips professionals with the necessary skills to establish secure Oracle Cloud Infrastructure deployments and defend against modern security threats.
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14 Likes
Dev
1w
184
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Day 1: Getting Started with PSQL: The Powerful SQL DataBase.
- A database is an organized collection of data that is stored and managed electronically.
- PostgreSQL (PSQL) is an advanced, open-source relational database management system (RDBMS) known for its strong performance, reliability, and extensibility.
- Basic PSQL commands include creating databases, creating tables, inserting data, querying data, altering tables, filtering records with conditions, using 'LIKE' pattern matching, and performing aggregations.
- Aggregation functions like COUNT, SUM, AVG, MAX, MIN, and ROUND are commonly used in PSQL to perform calculations on data.
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11 Likes
Dev
1w
41
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Kapper 1.3 supports flows - more Kotlin goodness
- Kapper 1.3 now supports flows, bringing more Kotlin goodness.
- Flows are a Kotlin API for asynchronous streams of data, a great fit for asynchronous data processing.
- The new API in Kapper 1.3 is simple and idiomatic to Kotlin, providing an extension function for queries returning Kotlin Flows.
- Kapper sets the fetchSize of the Statement when canceling a Flow, giving the JDBC driver the opportunity to cancel the query at each batch of rows fetched.
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