Cache in Oracle Sequence is a mechanism to improve the performance of sequence number generation by pre-allocating a set of sequence values in memory. In Oracle, a sequence is a database object that generates a sequence of numeric values. These values are often used to generate unique identifie...
When using parallel query, you can configure the database to use the database buffer cache instead of performing direct reads into the PGA for a SQL statement. This configuration may be appropriate when database servers have a large amount of memory. Also, an Oracle Real Applications Cluster (...
What is the cache hit ratio, what impact does it have on performance of an Oracle database and what is involved in tuning it?相关知识点: 试题来源: 解析 缓存命中率是数据库从内存获取数据的比例,高命中率减少磁盘I/O提升性能,调优涉及调整缓存大小、优化SQL、使用缓存建议工具等。 1. 缓存命中率...
Oracle RAC One Node is a single instance of Oracle RAC running on one node in a cluster. You can use Oracle RAC One Node to consolidate many databases onto a single cluster with minimal overhead, and still provide the high availability benefits of failover protection, online rolling patch ap...
Java Platform, Standard Edition 8 is a major feature release. This document summarizes features and enhancements in Java SE 8 and in JDK 8, Oracle's implementation of Java SE 8. Click the component name for a more detailed description of the enhancements for that component. ...
SQLServer:Buffer Manager cache hit ratio SQLServer:Buffer Manager life expectancy SQLServer:General Statistics Processes blocked SQLServer:General Statistics User Connections SQLServer:Locks Number of Deadlocks/sec SQLServer:SQL Statistics Batch Requests/sec ...
NDB Cluster 8.0 is available as a General Availability (GA) release, beginning with NDB 8.0.19. NDB Cluster 7.6 and 7.5 are previous GA releases still supported in production; for information about NDB Cluster 7.6, see What is New in NDB Cluster 7.6. For similar information about NDB ...
November 2024 GraphQL API in Microsoft Fabric GA The API for GraphQL, now generally available, is a data access layer that allows us to query multiple data sources quickly and efficiently in Fabric. For more information, see What is Microsoft Fabric API for GraphQL? November 2024 Real-Time ...
Reduce Data Egress Costs with Oracle Data Egress FAQs The deceptively simple definition of data egress is just “data leaving a network.” Of course, monitoring and controlling data egress has never been a simple matter. And in our modern world of ecommerce, cloud-hosted IT infrastructure, and...
Beginning with MySQL 8.4.0, the deprecated mysql_native_password authentication plugin is no longer enabled by default. To enable it, start the server with --mysql-native-password=ON (added in MySQL 8.4.0), or by including mysql_native_password=ON in the [mysqld] section of your MySQL co...