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Showing posts with the label Programming concepts

What is the compatibility of Oracle databases across different cloud platforms?

  Oracle databases can be run on different cloud platforms, but the level of compatibility between Oracle and different cloud platforms may vary . Oracle provides support for running its database on a variety of cloud platforms, including: Oracle Cloud Infrastructure (OCI): Oracle's own cloud platform provides the highest level of compatibility for running Oracle databases, as it is designed specifically for running Oracle workloads . Amazon Web Services (AWS): Oracle databases can be run on AWS using Amazon EC2 instances, but there may be some differences in performance and features compared to running on OCI . Microsoft Azure: Oracle databases can also be run on Azure using Azure VMs, but again, there may be some differences in performance and features compared to running on OCI . Google Cloud Platform (GCP): Oracle databases can be run on GCP using Google Compute Engine, but this may require some additional configuration and may not provide the same level of performance ...

What is cloud-native? what is the correct way to create and deploy cloud-native?

  1. What is cloud-native? Cloud-native is a distributed cloud-based on distributed deployment and unified operation and management, and a set of cloud technology product systems based on technologies such as containers, microservices, and DevOps . We split the noun into two parts—cloud and native. Cloud is relative to local. Traditional applications run on servers in local computer rooms, while cloud applications run on cloud (such as IAAS, PAAS, and SAAS) . ). Native means native and home-grown, that is, the application is based on the cloud as soon as it is born, and can be run directly on the cloud platform or easily migrated to the cloud platform . We can define cloud-native in this way: it is a new technology system and the future development direction of cloud computing . For cloud-native applications to run on cloud platforms, they must have the characteristics of the cloud, such as elastic scaling, distribution, rapid deployment, rapid iteration, high efficiency, and c...

40 Redis interview questions for 2021 - 2022

  Redis interview questions 1.What is Redis?. 2. What is the data type of Redis? 3. What are the benefits of using Redis? 4. What are the advantages of Redis over Memcached? 5. What are the differences between Memcache and Redis? 6. Is Redis single-process and single-threaded? 7. What is the maximum storage capacity of a string type value? 8. What is the persistence mechanism of Redis? Their advantages and disadvantages? 9. Redis common performance problems and solutions: 10. What is the deletion strategy of redis expired keys? 11. Redis recycling strategy (elimination strategy)? 12. Why does edis need to put all data in memory? 13. Do you understand the synchronization mechanism of Redis? 14. What are the benefits of Pipeline? Why use pipeline? 15. Have you used Redis cluster? What is the principle of cluster? 16. Under what circumstances will the Redis cluster solution cause the entire cluster to be unavailable? 17. What are the Java clients supp...