Context-Free Languages

Context-Free Languages

2.1 Concepts: substitution rule (production),variable,terminal,derivation Definition: a context-

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Oracle 9i SYS_CONTEXT函数的使用方法

此函数在写一些触发器和函数的时候非常有用处。 用法： SELECT sys_context('USERENV', '') FROM dual; 第二个参数的可选值： AUTHE

[经验]FORM6i 及 sys_context

一点经验： FORM6i是基于Oracle8.0开开发的，它不支持所有8i的功能。如:它不直接支持sys_context function. 而8i数据库是支持sys_context的。

RFC3458 - Message Context for Internet Mail

Network Working Group E. Burger Request for Comments: 3458 SnowShore Networks Category: Standards

RFC3087 - Control of Service Context using SIP Request-URI

Network Working Group B. Campbell Request for Comments: 3087 R. Sparks Category: Informational dyn

RFC2972 - Context and Goals for Common Name Resolution

Network Working Group N. Popp Request for Comments: 2972 RealNames Corporation Category: Informati

RFC2120 - Managing the X.500 Root Naming Context

Network Working Group D. Chadwick Request for Comments: 2120 University of Salford Category: EXPer

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