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Duration 3 Days 18 CPD hours Overview The goal of this course is to enable technical students new to Cassandra to begin working with Cassandra in an optimal manner. Throughout the course students will learn to: Understand the Big Data needs that C* addresses Be familiar with the operation and structure of C* Be able to install and set up a C* database Use the C* tools, including cqlsh, nodetool, and ccm (Cassandra Cluster Manager) Be familiar with the C* architecture, and how a C* cluster is structured Understand how data is distributed and replicated in a C* cluster Understand core C* data modeling concepts, and use them to create well-structured data models Be familiar with the C* eventual consistency model and use it intelligently Be familiar with consistency mechanisms such as read repair and hinted handoff Understand and use CQL to create tables and query for data Know and use the CQL data types (numerical, textual, uuid, etc.) Be familiar with the various kinds of primary keys available (simple, compound, and composite primary keys) Be familiar with the C* write and read paths Understand C* deletion and compaction The Cassandra (C*) database is a massively scalable NoSQL database that provides high availability and fault tolerance, as well as linear scalability when adding new nodes to a cluster. It has many powerful capabilities, such as tunable and eventual consistency, that allow it to meet the needs of modern applications, but also introduce a new paradigm for data modeling that many organizations do not have the expertise to use in the best way.Introduction to Cassandra is a hands-on course designed to teach attendees the basics of how to create good data models with Cassandra. This technical course has a focus on the practical aspects of working with C*, and introduces essential concepts needed to understand Cassandra, including enough coverage of internal architecture to make good decisions. It is hands-on, with labs that provide experience in core functionality. Students will also explore CQL (Cassandra Query Language), as well as some of the ?anti-patterns? that lead to non-optimal C* data models and be ready to work on production systems involving Cassandra. Session 1: Cassandra Overview Why We Need Cassandra - Big Data Challenges vs RDBMS High level Cassandra Overview Cassandra Features Optional: Basic Cassandra Installation and Configuration Session 2: Cassandra Architecture and CQL Overview Cassandra Architecture Overview Cassandra Clusters and Rings Nodes and Virtual Nodes Data Replication in Cassandra Introduction to CQL Defining Tables with a Single Primary Key Using cqlsh for Interactive Querying Selecting and Inserting/Upserting Data with CQL Data Replication and Distribution Basic Data Types (including uuid, timeuuid) Session 3: Data Modeling and CQL Core Concepts Defining a Compound Primary Key CQL for Compound Primary Keys Partition Keys and Data Distribution Clustering Columns Overview of Internal Data Organization Overview of Other Querying Capabilities ORDER BY, CLUSTERING ORDER BY, UPDATE , DELETE, ALLOW FILTERING Batch Queries Data Modeling Guidelines Denormalization Data Modeling Workflow Data Modeling Principles Primary Key Considerations Composite Partition Keys Defining with CQL Data Distribution with Composite Partition Key Overview of Internal Data Organization Session 4: Additional CQL Capabilities Indexing Primary/Partition Keys and Pagination with token() Secondary Indexes and Usage Guidelines Cassandra collections Collection Structure and Uses Defining and Querying Collections (set, list, and map) Materialized View Overview Usage Guidelines Session 5: Data Consistency In Cassandra Overview of Consistency in Cassandra CAP Theorem Eventual (Tunable) Consistency in C* - ONE, QUORUM, ALL Choosing CL ONE Choosing CL QUORUM Achieving Immediate Consistency Overview of Other Consistency Levels Supportive Consistency Mechanisms Writing / Hinted Handoff Read Repair Nodetool repair Session 6: Internal Mechanisms Ring Details Partitioners Gossip Protocol Snitches Write Path Overview / Commit Log Memtables and SSTables Write Failure Unavailable Nodes and Node Failure Requirements for Write Operations Read Path Overview Read Mechanism Replication and Caching Deletion/Compaction Overview Delete Mechanism Tombstones and Compaction Session 7: Working with IntelliJ Configuring JDBC Data Source for Cassandra Reading Schema Information Querying and Editing Tables. Additional course details: Nexus Humans Introduction to Cassandra (TTDS6776) training program is a workshop that presents an invigorating mix of sessions, lessons, and masterclasses meticulously crafted to propel your learning expedition forward. This immersive bootcamp-style experience boasts interactive lectures, hands-on labs, and collaborative hackathons, all strategically designed to fortify fundamental concepts. Guided by seasoned coaches, each session offers priceless insights and practical skills crucial for honing your expertise. Whether you're stepping into the realm of professional skills or a seasoned professional, this comprehensive course ensures you're equipped with the knowledge and prowess necessary for success. While we feel this is the best course for the Introduction to Cassandra (TTDS6776) course and one of our Top 10 we encourage you to read the course outline to make sure it is the right content for you. Additionally, private sessions, closed classes or dedicated events are available both live online and at our training centres in Dublin and London, as well as at your offices anywhere in the UK, Ireland or across EMEA.

Duration 3 Days 18 CPD hours This course is intended for This course is intended for beginner to intermediate business and requirements analysts who are looking to improve their elicitation and requirements writing and documentation skills. This course is also a great fit for technical writers, product and software testers, project managers, product owners who work closely with business analysts or who perform some for of business analysis themselves. Overview Understand the role of the business analyst and core competencies for performing successfully Discuss the criticality of business analysis and requirements for successful project outcomes Understand the main professional associations and standards supporting business analysts in the industry Discuss the common problems with requirements and explore approaches to address these issues Obtain a clear understanding of the various requirements types and the significance for eliciting each type Demonstrate your ability to identify stakeholders Explore various methods for understanding and analyzing stakeholders Discuss and apply good planning practices to requirements elicitation efforts Obtain knowledge and understanding of over 15 current and commonly applied elicitation techniques Understand how to progress from elicitation to analysis to documentation Write well-formed and validated requirements Gain understanding of the best practices for writing quality requirements Learn the technical writing techniques that apply directly to writing requirements documents Discuss writing pitfalls, risks that impact requirements, and how to address them Learn best practices for communicating and collaborating with stakeholders, sharing the results of elicitation and the resulting documentation Learn approaches for validating requirements Understand the difference between validating requirements and validating the solution With elicitation serving as a major component of the requirements process, it is imperative that business analysts maintain high competency levels in elicitation practices and technique use to help organizations overcome the requirements related challenges faced on projects. Regardless whether you are a practitioner just starting off your career in business analysis or whether you have been performing the role for some years, this course will provide insight into the latest thoughts on elicitation and writing effective requirements and present a number of current techniques that are being applied on projects across industries today. Review of Foundational Concepts Definition of a business analysis Definition of business analyst BA role vs. PM role Business analysis competencies Benefits of business analysis Purpose for having a BA standard IIBA?s BABOK© Guide and PMI?s Practice Guide in Business Analysis Business analysis core concepts Discussion: Project challenges Understanding Requirements Common problems with requirements Understand the problem first Define the business need Situation statements and moving to requirements Understanding requirement types Business requirements Stakeholder/User Requirements Solution Requirements Functional Requirements Non-Functional Requirements Assumptions and Constraints Discussions: Requirement problems, business needs, and identifying non-functional requirements Discovering Stakeholders Definition of a stakeholder Stakeholder types Identifying stakeholders Performing stakeholder analysis Stakeholders and requirements Tips for identifying stakeholders Grouping stakeholders Creating a RACI model Tips for analyzing stakeholders Documenting results of stakeholder analysis Workshop: Discovering stakeholders Preparing for Requirements Elicitation Planning for elicitation Benefits of elicitation planning What do you plan? The elicitation plan Setting objectives for elicitation Determining the scope for elicitation Establishing pre-work Determining the outputs for the session The iterative nature of elicitation Elicitation roles Elicitation planning techniques Discussions: Who to involve in elicitation, planning impacts, and unplanned elicitation Workshop: Planning for elicitation Conduct Requirements Elicitation Elicitation skillset Types of elicitation techniques Using active listening in elicitation Techniques for performing elicitation Benchmarking/Market Analysis Brainstorming Business Rules Analysis Collaborative Games Concept Modeling Data Mining Data Modeling Document Analysis Focus Groups Interface Analysis Interviews Observation Process Modeling Prototyping Survey or Questionnaire Workshops Write Effective Requirements Elicitation and Analysis Requirements related issues Implications of bad requirements Elicitation and documentation Writing skillset Documenting requirements Modeling requirements Defining the project life cycle Impact of project life cycle on documentation Requirements specifications Characteristics of good requirements Guidelines for writing textual requirements Structuring a requirement Writing pitfalls Traceability Requirements attributes Risks associated to requirements Discussions: Project Life Cycle and Correcting Poorly Written Requirements Workshops: Documenting Requirements and Identify Characteristics of Good Requirements Confirm and Communicate Elicitation Requirements Business analysis communication Requirements communication Communication skills The 7 Cs Timing of communication Planning communication Importance of Collaboration Planning collaboration Documenting communication/collaboration needs Confirming elicitation results Verify requirements Characteristics of good requirements (revisited) Requirements checklist Requirements validation Signing off on requirements Discussions: Responsibility for Communication, Eliciting Communication Needs, Validation Signoff Workshops: Communicating Requirements and Obtaining Signoff Evaluate the Solution Business analyst role in solution evaluation Why solutions under perform What we are looking for in solution evaluation When does solution evaluation occur Performing solution evaluation Planning solution evaluation Metrics that might exist Evaluating long term performance Qualitative vs. quantitative measures Tools & techniques used in solution evaluation Comparing expected to actuals When solution evaluation discovers a variance Tools/techniques for analyzing variances Proposing a recommendation Communicating results of solution evaluation Discussion: Addressing Variance Wrap up and Next Steps Useful books and links on writing effective requirements BABOK© Guide Business Analysis for Practitioners: A Practice Guide Additional course details: Nexus Humans BA04 - Eliciting and Writing Effective Requirements training program is a workshop that presents an invigorating mix of sessions, lessons, and masterclasses meticulously crafted to propel your learning expedition forward. This immersive bootcamp-style experience boasts interactive lectures, hands-on labs, and collaborative hackathons, all strategically designed to fortify fundamental concepts. Guided by seasoned coaches, each session offers priceless insights and practical skills crucial for honing your expertise. Whether you're stepping into the realm of professional skills or a seasoned professional, this comprehensive course ensures you're equipped with the knowledge and prowess necessary for success. While we feel this is the best course for the BA04 - Eliciting and Writing Effective Requirements course and one of our Top 10 we encourage you to read the course outline to make sure it is the right content for you. Additionally, private sessions, closed classes or dedicated events are available both live online and at our training centres in Dublin and London, as well as at your offices anywhere in the UK, Ireland or across EMEA.

Make your own personalised beautiful silver jewellery using specialised clay that turns into solid silver once your pieces have been made and fired.

Changing seasons impact our hair in unique ways, from winter dryness to summer humidity. By adjusting your hair care routine with each season, you can keep your hair healthy, strong, and vibrant. Here’s a look at practical tips for maintaining beautiful hair all year round. Winter hair care tips In winter, cold air and indoor heating can strip moisture from hair, leaving it dry and prone to breakage. Protecting your hair from these harsh conditions is essential. Moisturize regularly Dry winter air can make hair feel rough and brittle. Use a moisturizing shampoo and conditioner to keep your hair hydrated, and consider using a leave-in conditioner for extra protection. This helps seal in moisture, making hair less prone to frizz and breakage. Limit heat styling Winter weather already dries out hair, so limit heat styling tools like blow dryers and straighteners, which can further strip moisture. If you need to use them, apply a heat protectant spray to help reduce damage. Cover your hair Cold weather can make hair more vulnerable to damage. When outside, consider wearing a hat or scarf to shield your hair from the cold, dry air. Opt for a silk or satin-lined hat to avoid friction that can lead to frizz. Spring hair care tips Spring is a time of renewal, and as humidity levels increase, you may notice changes in your hair’s texture and manageability. Here’s how to keep your hair looking fresh. Exfoliate your scalp Over winter, dead skin and product buildup can accumulate on the scalp. Use a gentle scalp scrub or exfoliating shampoo to refresh your scalp. This helps improve hair growth and keeps your scalp healthy. Adjust your conditioner As temperatures rise, you may not need as heavy a conditioner. Switching to a lighter conditioner can prevent hair from feeling weighed down, giving you more volume and bounce. Embrace natural styles Spring’s humidity can make it difficult to keep styles smooth and sleek. Embrace natural textures and styles that work with the humidity instead of fighting it. This helps reduce the need for heat styling, keeping your hair healthier. Summer hair care tips In summer, sun exposure and chlorine from swimming pools can damage hair, making it dry and prone to breakage. Protecting your hair from these elements is key to maintaining its health. Use UV protection The sun’s UV rays can weaken hair, making it more likely to break. Look for hair products that offer UV protection to shield your strands from sun damage. Wearing a hat also provides good protection and keeps your scalp safe from sunburn. Rinse after swimming If you swim in pools or the ocean, chlorine and salt can leave hair feeling dry and brittle. Rinse your hair with fresh water after swimming to remove these drying elements, and consider applying a leave-in conditioner afterward for extra moisture. Deep conditioning Summer heat can strip moisture from hair, making it look dull and feel rough. Use a deep conditioning treatment once a week to restore moisture and keep your hair soft and shiny. Consider a Mulberry silk pillowcase Summer heat can make hair more prone to frizz, especially when sleeping on traditional pillowcases. Switching to a Mulberry silk pillowcase can help reduce friction, prevent hair breakage, and keep hair smoother, especially in humid conditions. Silk pillowcases are gentle on hair and help keep it manageable throughout the summer months. Fall hair care tips Fall brings cooler temperatures and lower humidity, making hair feel dry. Preparing your hair for the cooler season helps prevent issues like split ends and dryness. Trim split ends After summer, hair may be damaged from sun exposure, chlorine, and saltwater. Trimming split ends at the start of fall helps keep your hair looking healthy and prevents further breakage as the air gets drier. Rehydrate your hair With cooler air, your hair may start to lose moisture again. Switch back to a more hydrating shampoo and conditioner, and consider using a hair mask once a week to lock in moisture. Avoid over-washing In fall, as temperatures drop, hair does not get as oily. Avoid over-washing your hair, as it can strip away natural oils that help protect it. Washing your hair two to three times a week is usually enough to keep it clean without causing dryness. Protect from static Cooler weather often brings static electricity, which can make hair frizzy and hard to manage. Using a leave-in conditioner or a few drops of hair oil can help reduce static, leaving hair smooth and manageable. Final thoughts Taking care of your hair throughout the year requires small adjustments to your routine to match the season. Following these tips, and using silk products, you can protect your hair from the elements, maintain its health, and enjoy beautiful hair every season. Incorporating products like a Mulberry silk pillowcase can also add extra benefits by reducing frizz and protecting your hair while you sleep. With these simple steps, you’ll keep your hair looking its best, no matter the time of year.

This Silver Ring Workshop is designed for absolute beginners. It will be a great introduction to working with silver and will see you make your very own silver ring, using skills acquired during your day.

Silk has become a popular choice for hair care due to its many advantages. From reducing hair damage to enhancing its shine, silk offers practical solutions for common hair problems. Whether you’re using silk pillowcases or silk hair accessories, the benefits are undeniable. Below, we explore how silk can transform your hair care routine. Reduces hair breakage One of the biggest advantages of silk is its smooth surface. Unlike cotton or other rough fabrics, silk minimizes friction between your hair and the surface it touches. This helps reduce hair breakage and protects the strands, making silk hair accessories a great investment for everyday use. Keeps hair hydrated Silk is less absorbent than other materials, meaning it doesn’t soak up the natural oils and moisture from your hair. This helps to keep your hair hydrated and prevents dryness, which can lead to frizz and split ends. To enjoy these benefits, consider using silk pillowcases or buy products online that incorporate silk materials. Prevents frizz and tangling The smooth texture of silk allows your hair to glide effortlessly over it. This reduces the chances of tangling and frizz, making your hair easier to manage and style. Silk hair accessories, such as scrunchies and head wraps, are perfect for maintaining this sleek and polished look throughout the day. Promotes healthier hair Using silk products like pillowcases and head wraps improves your hair’s health over time. The reduced friction and better moisture retention help your hair stay stronger, shinier, and less prone to damage. You can easily buy products online to find a wide range of silk-based options for your hair care needs. Protects hair from split ends Split ends are a common problem caused by rough handling and friction. Silk’s gentle surface helps to protect the ends of your hair, reducing the risk of splitting. Using silk hair accessories like hair ties ensures your hair remains smooth and free from damage. Suitable for all hair types Silk is gentle enough to be used on all hair types, including fine, curly, and chemically treated hair. It doesn’t cause irritation or damage, making it a safe and effective option for everyone. If you’re looking to upgrade your hair care tools, you can buy products online that are specifically made with silk for better results. Improves hair styling results By reducing frizz and maintaining moisture, silk can make your hair easier to style. It helps you achieve smoother, sleeker looks with less effort. Silk hair accessories, like scarves and scrunchies, not only protect your hair but also enhance your overall style. Easy to incorporate into daily routines Silk hair care products are simple to use and can be easily added to your daily routine. Whether you opt for a silk pillowcase or buy products online like silk scrunchies and scarves, these items require no extra effort but deliver noticeable benefits.

Hiring skilled painters in Richmond or painters in Kingston guarantees a stress-free experience and a stunning transformation.

Discover why time management is essential for success in UK GCSE and A-Level exams. Learn effective strategies, benefits, and tips to boost productivity and reduce stress.

Choosing the right flooring is a crucial part of any construction project, whether it’s a residential home, commercial building, or industrial facility. The flooring you select impacts not only the aesthetics but also the functionality, durability, and overall cost. This guide will help you navigate through different flooring estimating services options and provide valuable insights to help you make an informed decision. Why Flooring Matters in Construction Flooring is more than just a surface to walk on; it plays a significant role in a building’s design and usability. The type of flooring you choose can affect: Aesthetics: Enhances the overall look and feel of the space. Durability: Ensures the floor can withstand heavy traffic and usage. Maintenance: Influences the ease of cleaning and upkeep. Cost: Impacts the overall budget of the construction project. Popular Flooring Options for Construction There are many types of flooring materials to choose from, each offering unique benefits. Here are some of the most popular options: 1. Hardwood Flooring Hardwood flooring is a timeless choice that adds warmth and value to any space. It is known for its durability and classic appearance, making it popular in residential homes and high-end commercial spaces. Pros: Long-lasting, easy to clean, and enhances property value. Cons: Expensive, can be scratched easily, and may require periodic refinishing. Best for: Living rooms, bedrooms, and office spaces. 2. Laminate Flooring Laminate flooring is an affordable alternative to hardwood. It mimics the appearance of wood or stone while being more resistant to scratches and stains. Pros: Budget-friendly, easy to install, and resistant to wear and tear. Cons: Susceptible to water damage and cannot be refinished. Best for: Living rooms, bedrooms, and hallways. 3. Vinyl Flooring Vinyl flooring is a versatile and durable option that is water-resistant, making it a great choice for areas prone to moisture. It comes in various styles, including sheets, tiles, and planks. Pros: Water-resistant, low maintenance, and comfortable underfoot. Cons: Can fade in direct sunlight and may not be as eco-friendly. Best for: Kitchens, bathrooms, and basements. 4. Tile Flooring Tile flooring is a popular choice for its durability and wide range of design options. It includes materials like ceramic, porcelain, and natural stone, each offering unique benefits. Pros: Highly durable, easy to clean, and water-resistant. Cons: Cold underfoot and can be slippery when wet. Best for: Bathrooms, kitchens, and outdoor spaces. 5. Carpet Flooring Carpet flooring adds comfort and warmth to any space. It is available in various textures, colors, and styles, making it easy to match your design aesthetic. Pros: Soft underfoot, noise-reducing, and provides insulation. Cons: Prone to stains and requires regular vacuuming. Best for: Bedrooms, living rooms, and office spaces. Factors to Consider When Choosing Flooring When selecting flooring for your construction project, must hire a flooring takeoff services company and consider these key factors: Budget: Determine how much you’re willing to spend on flooring materials and installation. Traffic: Choose a material that can withstand the expected foot traffic in the area. Climate: Consider the local climate and moisture levels, as some flooring types are more suitable for humid conditions. Maintenance: Opt for flooring that matches your desired level of upkeep and maintenance. Tips for Installing Flooring in Construction Projects Proper installation is crucial for ensuring the longevity and appearance of your flooring. Here are some tips to help you get it right: Hire Professionals: For complex materials like hardwood and tile, hiring a professional installer ensures a high-quality finish. Prepare the Subfloor: Make sure the subfloor is clean, level, and dry before installation. Use Quality Underlayment: An underlayment adds comfort and soundproofing, especially for laminate and vinyl flooring. Allow Time for Acclimation: Some materials, like hardwood, need time to acclimate to the room’s temperature and humidity before installation. Conclusion Selecting the right flooring is a vital decision in any construction project. By understanding the different options and considering factors like budget, durability, and aesthetics, you can choose a flooring material that not only looks great but also meets the functional needs of your space. Whether you opt for classic hardwood, practical vinyl, or luxurious tile, the right choice will elevate your project and ensure long-lasting satisfaction.

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