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SQL for Financial Analytics: Profit & Loss Reporting, Forecasting, and Ratio Analysis

Table of Contents Introduction Importance of SQL in Financial Analysis Core Financial Statements in Data Tables Building a Profit & Loss (P&L) Report in SQL Structuring Accounts: Revenue vs...
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Data Warehousing Concepts in SQL: Understanding Star and Snowflake Schemas

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SQL with APIs and JSON Fields in PostgreSQL: Working with Semi-Structured Data

Table of Contents Introduction Why JSON Support Matters in Modern SQL PostgreSQL JSON vs JSONB Creating Tables with JSON Fields Inserting JSON Data (from APIs or files) Accessing JSON Properties...
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SQL for Data Engineering: ETL Concepts and Building Scalable Data Pipelines

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Working with JSON in SQL: Storing, Querying, and Manipulating JSON Data

Table of Contents Introduction Why Use JSON in SQL Databases? Storing JSON Data in Tables JSON Data Types and Columns Basic JSON Syntax Inserting JSON Values Retrieving JSON Data Accessing JSON Fields...

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Error Handling in SQL: Managing Exceptions and Ensuring Reliable Transactions

Table of Contents Introduction Why Error Handling Matters in SQL Types of Errors in SQL Syntax Errors vs Runtime Errors Understanding Transaction Errors Rollbacks for Safe Error Recovery Error Handling in...

Stored Procedures and Functions in SQL: Encapsulating Logic for Reuse and Automation

Table of Contents Introduction What Are Stored Procedures and Functions? Benefits of Using Stored Routines Stored Procedures vs Functions: Key Differences Syntax for Creating Stored Procedures Executing a Stored Procedure Parameters...

Triggers in SQL: Automating Database Behavior

Table of Contents Introduction What Is a Trigger in SQL? Why Use Triggers? Types of Triggers Syntax of a Trigger BEFORE vs AFTER Triggers INSERT, UPDATE, and DELETE Triggers Trigger Events: Row-Level...

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Some Important Portals & their Founders

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Some Important Portals & their Founders  1. Google— Larry Page & Sergey Brin2. Facebook— Mark Zuckerberg3. Yahoo— David Filo & Jerry Yang4. Twitter— Jack Dorsey...

Computer Questions

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1. A peer-to-peer LAN is an appropriate network architecture for - Home network. 2. In CSMA/CD, the computer sends a fixed unit of data called...

Polar Satellite Launch Vehicle (PSLV)

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The Polar Satellite Launch Vehicle (PSLV) is an expendable launch system developed and operated by the Indian Space Research Organisation (ISRO). It was developed...

Global Positioning System (GPS)

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The Global Positioning System (GPS) is a space-based satellite navigation system that provides location and time information in all weather conditions, anywhere on or...

MICROSOFT EXCEL SHORTCUT KEYS

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MICROSOFT EXCEL SHORTCUT KEYS 1. F2 Edit the selected cell2. F3 After a name has been created F3 will paste names3. F5 Go to a...

More than 100 Keyboard Shortcuts (Microsoft Windows)

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1. CTRL+C (Copy) 2. CTRL+X (Cut) 3. CTRL+V (Paste) 4. CTRL+Z (Undo) 5. DELETE (Delete) 6. SHIFT+DELETE (Delete the selected item permanently without placing the item in the Recycle...

Timeline of Indian Space Odyssey

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1962 ushered in the space era in India as the Atomic Energy Department set up the Indian National Committee for Space Research, and the...
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