Questions Tagged with

EchoWhisper Wed Oct 02 2024 | 7 answers 1438

What is the 80 20 rule in SQL?

Excuse me, could you please elaborate on the concept of the 80 20 rule as it applies to SQL? I'm curious to understand how this principle, often associated with economics and business management, is relevant and utilized within the context of Structured Query Language. Is it a strategy for optimizing query performance? Or perhaps it relates to managing database storage and resource allocation? I'd appreciate any insights you can offer to clarify this concept in relation to SQL.

BlockchainVisionary Tue Oct 01 2024 | 5 answers 781

What is /+ parallel / in SQL?

Could you please explain what exactly is "/*+ parallel */" in SQL, and how it is used? I'm curious to know how it can help in improving query performance and what are the considerations one should make before using it. Is it a common practice in SQL optimization, and are there any potential drawbacks or limitations to be aware of? Thank you in advance for your insights.

Federico Tue Oct 01 2024 | 6 answers 999

How to use hint in SQL query Oracle?

Hello there, could you please elaborate on the best practices for incorporating hints into SQL queries when working with Oracle databases? I'm particularly interested in understanding how these hints can be used to optimize query performance, and what are some common scenarios where their usage is warranted. Additionally, could you shed some light on potential drawbacks or risks associated with overusing hints in SQL queries? Thank you in advance for your insights.

GalaxyGlider Tue Oct 01 2024 | 7 answers 1781

What is SQL query example?

Could you please provide an example of a SQL query and explain its purpose? I'm a bit new to the concept and would appreciate a clear explanation. Specifically, I'm interested in understanding how a SQL query can be used to retrieve data from a database, such as selecting specific rows or columns from a table. Can you give me a simple example and walk me through the process? Thank you for your help!