thecoderscamp.com

How to Become a Power BI Freelancer Becoming a Power BI freelancer can be a rewarding career choice for those with skills in data analysis and visualization. Here are the steps you can take to become a successful Power BI freelancer: Master Power BI: Start by gaining a deep understanding of Power BI and its … Read more

To subtract minutes from a PostgreSQL timestamp, you can use the INTERVAL keyword combined with the MINUTE field. Here is an example: <?php // Connect to the PostgreSQL database $conn = new PDO(‘pgsql:host=localhost;dbname=yourdatabase’, ‘yourusername’, ‘yourpassword’); // Define the timestamp and the number of minutes to subtract $timestamp = ‘2020-01-15 10:30:00’; $minutes = 15; // Subtract … Read more

How to Become a Power BI Expert Power BI is a powerful tool for data visualization and business intelligence. If you’re looking to become a Power BI expert, here are some steps you can follow: Learn the Basics: Start by familiarizing yourself with the basic concepts of Power BI, such as data sources, data modeling, … Read more

To split JSON into columns in PostgreSQL, we can use the JSON functions available in the PostgreSQL JSON module. Assuming we have a table called “my_table” with a JSON column called “data”, and the JSON data looks like this: { “name”: “John Doe”, “age”: 30, “address”: { “street”: “123 Main St”, “city”: “New York”, “country”: … Read more

To become a Power BI developer, you need to follow these steps: Master the Basics: Familiarize yourself with the basics of Power BI, such as creating reports, visualizations, and dashboards. Start by exploring Power BI Desktop, a powerful tool for building data models and creating interactive reports. Learn DAX: Data Analysis Expressions (DAX) is a … Read more

Query: postgres select * except Answer: The SELECT statement in PostgreSQL allows you to retrieve data from one or more tables. However, there is no direct “EXCEPT” keyword in PostgreSQL to exclude certain columns from the result set. Instead, you need to explicitly specify the columns you want to select. To achieve a result similar … Read more

How to Become Power BI Certified Power BI is a widely used business analytics tool developed by Microsoft. Becoming certified in Power BI can greatly enhance your career prospects in the field of data analytics. Below are the steps to become Power BI certified: Gain Knowledge and Experience: Start by familiarizing yourself with Power BI … Read more

Query: Postgres – Return boolean if exists Postgres supports multiple ways to check the existence of elements in a database. Here are some examples: Check if a table exists: SELECT EXISTS ( SELECT 1 FROM information_schema.tables WHERE table_schema = ‘public’ AND table_name = ‘my_table’ ); The above query will return either true or false, indicating … Read more

How to become a Power BI admin Being a Power BI admin allows you to manage and oversee the Power BI environment for your organization. Here are the steps to become a Power BI admin: Obtain the necessary permissions: To become a Power BI admin, you’ll need to have a user account with administrative privileges … Read more

To remove a value from an enum type in PostgreSQL, you need to follow these steps: Start by creating a new enum type without the value you want to remove. This is done using the ALTER TYPE command with the ADD VALUE clause. For example, if you have an enum named ‘status’ with four values … Read more