Verify that default database defined for each login still exists and is accessible.

When you choose Run, the SQL script runs on default database.

选择“运行”时, SQL脚本在默认数据库上运行.

The server sets these variables whenever the default database changes.

服务器当缺省database改变时设置这些变量的值.

Sales management system, including source code and database systems. Functional, beautiful interface, easy to operate.

售楼管理系统, 含系统源程序和数据库. 功能齐全, 界面美观, 操作方便.

Which database systems are used for either permanent or temporary storage of credit card data.

用于永久或临时存储信用卡数据的数据库系统是什么?

Quick index on encrypted data is one of the important techniques for pragmatic encrypted database systems.

密文数据的快速查询是密文数据库能够实用化的关键技术之一.

Timing constraints in real time database systems have data timing constraints and transaction timing constraints.

实时数据库系统的定时限制包括数据的定时限制和事务的定时限制.

To assist with the setting up and maintenance of filing and database systems.

协助存档和数据库系统的建设和维护工作.

The design includes the machine interface and the database systems.

上位机软件的开发包括了人机界面的设计和数据库系统的设计.

Then we need to have overall damaged database recover high-efficiently.

这时需要能够高效而有全面的恢复受损的数据库.

By using query optimization, database index, middle base and automatic data update technique, the DW project is very successful.

通过运用查询优化技术、数据仓库索引技术、带中间库的三层结构和数据仓库数据自动更新方案成功地建立了大连人寿保险业务数据仓库系统。

The multi-level index includes the tenants node index, tenants logical index, physical database index. 2.

该多级索引包括租户节点索引、租户逻辑索引、数据库物理索引三级。

Sharing the same principle with a book index, Oracle Database Index, an access to faster data visiting, avails to obtain the data in demand.

正如书籍索引有助于读者更快地找到所需的信息一样，利用Oracle数据库索引这种有效加快访问数据的方法也有助于更快检索到所需数据。

The most common in-memory database index strategy is called T-tree.

最常见的内存中数据库索引策略是T-树。

Database index is critical to query performance.

数据库索引对于查询性能来说十分关键。

Data warehouse index technology is a data warehouse query optimization method developing from the traditional database index technology.

数据仓库索引技术是基于传统数据库索引技术发展起来的数据仓库查询优化方法。

Designing of Database Index Searching for Forestry Microorganism Culture Collections

林业微生物菌种资源数据库查询系统构建

Finally, in order to improve the efficiency and accelerate the retrieval process, we give some insight into relevant image database index mechanism. Especially, we discuss thoroughly about M-Tree index mechanism, which we applied in our CBIR system.

最后，为了提高医学图像检索时的速度与效率，我们研究了相关的图像数据库索引机制，并着重讨论了本课题所采用的M-Tree索引机制。

There are many kinds of database index, such as B+-tree, AVL tree and SB-tree, which are built now, but through which we could not to search data on many keys.

目前数据库索引方法比较多，包括B+-树、AVL树和SB-树等，但都不能很好地解决数据库的多键值查询问题。

The author uses the mechanism of map symbol database index plus symbol description information buffer to prove the efficiency of accessing symbol description information in multiple map symbol databases;

文中采用地图符号库索引加缓存符号描述信息的机制，提高了访问多地图符号库中描述信息的速度；

Note that this is usually not the only attribute with a database index.

注意，通常情况下，CSCDISIS属性并不是惟一有数据库索引的属性。