代码搜索：relation
找到约 1,939 项符合「relation」的源代码
代码结果 1,939
www.eeworm.com/read/100285/6271458
h cluster.h
/*-------------------------------------------------------------------------
*
* cluster.h
* header file for postgres cluster command stuff
*
* Copyright (c) 1994-5, Regents of the University of
www.eeworm.com/read/378183/9247476
dat funvfp266.dat
函数 RELATION(nRelationNumber[,nWorkArea|cTableAlias])
功能 返回关联表达式
www.eeworm.com/read/378183/9247852
dat vfpdat51b.dat
说明: (1)用来指定父表的字段表达式,其值将与子表的索引关键字值对照,看二者是否相同.表示子表 ---- 或其所在的工作区.
(2)ADDITIVE保证在建立关联时不取消以前建立的关联.
例:设置的多一关系可用如下命令序列来表达:
SELECT 2
USE bmdm
INDEX ON
www.eeworm.com/read/378183/9247856
dat vfpdat52b.dat
说明: (1)表示在一多关系中位于多方的子表或其所在的工作区.
----
(2)不带可选项的命令"SET SKIP TO"用于取消一多关系,但SET <mark>RELATION</mark>命令建立多一关系的关联仍继续存在.
例:列出所有设备的价格,增值和部门名,试写出命令序列.
分析:本题涉及SB,ZZ和BMDM 3个表,属于"一父多子"的关系;从数据看,SB ...
www.eeworm.com/read/420691/10780501
cpp sm_manager.cpp
#include "SM_Manager.h"
SM_Manager::SM_Manager (RM_Manager &rmManager) : rmm(rmManager) {
bOpen = false;
}
SM_Manager::~SM_Manager () {
}
RC SM_Manager::CreateDb (const char *dbName) {
int
www.eeworm.com/read/455152/7377188
txt normalization(2).txt
1.List the primary key:TrackingNum
2.List all the FDs:
FD0: { TrackingNum } -> { EmpID, EmpName, OrderNo, ShipToAddr, ShippedDate }
FD1: { EmpID } -> { EmpName }
FD2: { OrderNo } -> { ShipToA
www.eeworm.com/read/455152/7377190
txt normalizationlj-100.txt
1. List the primary key.
TrackingNum(PK)
2. List all the FDs.
TrackingNum -> EmpID
TrackingNum -> EmpName
TrackingNum -> OrderNo
TrackingNum -> ShipToAddr
TrackingNum -> Sh
www.eeworm.com/read/398441/7946553
txt jiema.txt
instead, the basic interest of science fiction lies in the relation between man and his technology and between man and the universe. instead, the basic interest of science fiction lies in the re
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txt huffman.txt
Instead, the basic interest of science fiction lies in the relation between man and his technology and between man and the universe. Instead, the basic interest of science fiction lies in the re