In the course of working with Git repositories, it’s not uncommon to make mistakes or commit changes that you later realize should be undone. Fortunately, Git provides several mechanisms to revert or undo commits, including those that are the most recent. In this article, we’ll explore various methods to undo the most recent local Git…
To group data by month in PostgreSQL, use the GROUP BY clause along with date functions like EXTRACT() or DATE_TRUNC(). This allows you to organize and analyze information on a monthly basis, crucial for tasks like sales reporting and trend analysis. Here’s how you can crack it. Step-By-Step Guide On How To Group By Month…
To add a percentage symbol in SQL query results, use concatenation or formatting functions like CONCAT() or ||. This enhances readability, especially when presenting proportion-related data in analytical reports. For instance, when selecting a column like percentage_value from a table, apply CONCAT(percentage_value, ‘%’) or percentage_value || ‘%’ to append the percentage symbol in the output….
Encountering an ORA-20000 error can be frustrating. It’s like hitting a roadblock while using a computer program or database. But don’t worry, there are ways to solve this issue! The ORA-20000 error, often accompanied by ORA-10027, indicates a buffer overflow in the DBMS_OUTPUT package with a default 2000-byte limit. Resolve by adjusting the limit using…
