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Tuesday, 29 October 2024
Class34 - Keywords
Types of Keywords in Digital Marketing
Here are the primary types of keywords used in digital marketing:
Based on Search Intent:
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Informational Keywords:
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Users seeking information or knowledge.
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Examples: "how to bake a cake," "what is SEO," "best smartphones in 2023"
Monday, 28 October 2024
Class 33 - SEO
SEO, or Search Engine Optimization, is the practice of improving the visibility of a website or web page in organic search engine results. This means making your website more attractive to search engines like Google, Bing, and Yahoo, so they rank your content higher in search results.
Sunday, 27 October 2024
Natural Keys vs. Surrogate Keys
Natural Keys vs. Surrogate Keys
Natural Keys are attributes that naturally identify a record. They are often derived from real-world entities and can be complex, such as a combination of fields like FirstName, LastName, and DateOfBirth.
Surrogate Keys are artificial keys, typically simple integers, assigned to uniquely identify records. They are created during the data loading process.
Saturday, 26 October 2024
What is Factless fact tables ? Data Warehousing concepts
Factless Fact Tables
A factless fact table is a special type of fact table that does not contain any measurable facts. Instead, it stores event data or flags to indicate the occurrence of specific events. These tables are often used to track the frequency of events or to identify patterns in data.
Monday, 21 October 2024
Accumulating Snapshot Fact Tables
Accumulating Snapshot Fact Tables: A Detailed Explanation
Accumulating snapshot fact tables are a type of fact table that capture the cumulative state of a business process at specific points in time. They are often used to track changes over time and provide a historical view of the data.
Pega Online Training
PEGA Course Content
Understanding Core PEGA PRPC
1) PEGA BPM Demo.
2) About PRPC IDE, Operators (Logins)
3) Creating a new Application using application Wizard.
4) Class Group and Its importance, Understanding Class Group and Predefined Classes in PEGA.
5) Inheritance in PEGA and its Types, Direct and Pattern Inheritance.
Sunday, 20 October 2024
Periodic Fact Tables
Periodic Fact Tables: A Detailed Explanation
Periodic fact tables are a type of fact table that aggregates data over specific time periods, such as daily, weekly, monthly, or quarterly. They provide a summarized view of business activities, making it easier to analyze trends and patterns over time.
Saturday, 19 October 2024
Types of Fact Tables ? Transactional Fact Tables
Types of Fact Tables
Fact tables are the core component of a data warehouse, storing quantitative measurements or facts about business processes. They can be categorized into three main types based on their characteristics and update frequency:
Sunday, 13 October 2024
Nulls in fact table
Handling Null Values in Fact Tables
Null values in fact tables can introduce challenges and inconsistencies in data analysis. It's essential to have a strategy for handling them effectively.
Non additive fact table
Non-Additive Fact Tables: Understanding and Handling Them
Non-additive fact tables are those where the measures cannot be summed across any dimension. This typically occurs when the measures represent ratios, percentages, or averages.
Saturday, 12 October 2024
semi additive fact table with example tables
Semi-Additive Fact Tables: A Detailed Explanation
Semi-additive fact tables are those where the measures can be summed across some dimensions but not others. This occurs when the measure's meaning changes when aggregated across certain dimensions.
Friday, 11 October 2024
Additivity types fact table
Additivity in Fact Tables
Additivity is a fundamental property of measures in a fact table. It refers to the ability of a measure to be summed or aggregated across different dimensions. There are three main types of additivity:
Thursday, 10 October 2024
Snowflake Schema
Snowflake Schema is a variation of the star schema in data warehousing. It's characterized by having multiple levels of dimension tables, forming a hierarchical or snowflake-like structure. This design is often used to reduce data redundancy and improve query performance in certain scenarios.
What is star schema and explain with example
Star Schema: A Fundamental Data Warehouse Design
A star schema is a common data warehouse design pattern where a central fact table is surrounded by multiple dimension tables. This structure facilitates efficient data analysis and reporting by organizing data into a hierarchical format.
Facts and dimensions in dimensional modeling
Facts in dimensional modeling are the quantitative measurements or metrics that you want to analyze. They represent the core business processes or events that you're tracking.
what is fact table in data were housing
Fact Table: The Heart of a Data Warehouse
In a dimensional data model, a fact table is the central component that stores quantitative measurements (facts) related to a business process. These facts are typically numerical values that can be aggregated or calculated.
Tuesday, 8 October 2024
What is dimensional modeling?
Dimensional Modeling: Dimensional modeling is a technique used in data warehousing to design and organize data into a structure that facilitates analysis and reporting. It's a fundamental approach that provides a framework for understanding and analyzing complex business data.
Saturday, 5 October 2024
What is Kanban?
Kanban is a visual management system that helps teams organize and manage their work. It's based on the principles of "just-in-time" and "pull" production, where work is pulled from one stage to the next as needed.
what is Continuous Integration (CI)
Continuous Integration (CI) is a software development practice that involves frequently merging code changes into a shared repository and automatically building, testing, and reporting on the results. This helps to identify and fix issues early in the development process, reducing the risk of integration problems and improving overall software quality.
what is Bugs?
Bugs in software development are errors, flaws, or defects that cause a computer program to produce incorrect or unexpected results. They can range from minor glitches to serious issues that can crash the software or lead to data loss. Bugs can be caused by various factors, including coding errors, design flaws, or environmental issues.
what is Bottom-up design
Bottom-up design is a software development approach that starts with building the smallest, most basic components (modules or functions) and then combines them into larger, more complex structures. It's often used in conjunction with top-down design, where the overall system is broken down into smaller subsystems.
what is Beta testing
Beta testing is a type of software testing conducted by a group of external users, typically outside of the development team. It's a crucial stage in the software development lifecycle, where the software is released to a limited number of users to gather feedback and identify potential issues before the final release.
what is Algorithm
Algorithm is a step-by-step procedure to solve a problem. It's like a recipe for a computer, providing a sequence of instructions to achieve a specific outcome. Algorithms are used in various fields, including computer science, mathematics, and engineering.
what is Alpha testing
Alpha testing is an internal software testing process conducted by a development team or within the organization itself. It's one of the earlier stages of testing, typically occurring before beta testing, which involves external users.
Key points:
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Internal testing: Alpha testing is performed by the development team or other internal staff members.
what is Backend development
Backend development refers to the server-side of a web application or software. It involves the logic, data management, and functionality that operates behind the scenes. Backend developers work with databases, APIs, and server-side programming languages to create the foundation of a software application.
Thursday, 3 October 2024
what is Agile Software Development
Agile Software Development is a methodology that emphasizes iterative development, customer collaboration, and flexible planning. It's based on the Agile Manifesto, which promotes values like individuals over processes, working software over comprehensive documentation, customer collaboration over contract negotiation, and responding to change over following a plan.
What is Adaptive maintenance
Adaptive maintenance refers to the process of modifying existing software to adapt to changes in its environment, technology, or user requirements. This type of maintenance is essential to ensure that software remains relevant, functional, and valuable over time.
Key aspects of adaptive maintenance:
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Environmental changes: Adapting to changes in the operating system, hardware, or other external factors.
what is Acceptance Testing
Acceptance Testing is the final stage of software testing before a product is released to the end-users. It ensures that the software meets the specified requirements and is ready for production.
Key points:
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User perspective: Acceptance testing is conducted from the end-user's point of view.