In the world of database architecture, the need to dynamically create complex objects conflicts with the demand for subsecond response time. Oracle's answer to this dilemma is the materialized view.

Oracle9i includes numerous data structures to improve the speed of Oracle SQL queries. Taking advantage of the low cost of disk storage, Oracle9i includes many new indexing algorithms that ...

Oracle数据库，简称Oracle，是由甲骨文公司开发的一款关系型数据库管理系统。长期以来，它在数据库技术领域保持领先，被广泛认为是当前全球最主流的数据库系统之一。该系统具备良好的可移植性，操作便捷，功能强大，能够适应从大型主机到微型计算机等 ...

Developers can use the ORDER SIBLINGS BY feature of Oracle 10g and later to sort the records in a hierarchy created by the START WITH and CONNECT BY clauses in a SELECT statement. Oracle’s START WITH ...

I have a column of data with values resembling this: HL7_Result_for_Message_ID_123Q324343.hl7 I need to grab that ID number (in bold), the challenge being that it can be any and all lengths. I have ...

Hi<BR><BR>I am try to compare a VARCHAR field that stores a date as:<BR><pre class="ip-ubbcode-code-pre"> to_char(DateTimeField, 'MM-DD-YYYY') <> to_char(to_date ...

When running a database for your business, you may have to roll up your sleeves and actually work on it. Using Oracle Developer to work on your Oracle SQL database presents you with a functional IDE ...

Microsoft's Excel software is an indispensable tool for small businesses because of its flexibility and the ease with which you can set up spreadsheets. Though you can use it to manage files ...