How to Simulate the Price Order or Price Line Function using API QP_PREQ_PUB.PRICE_REQUEST Includes Example Scripts (文档 ID 412545.1) 转到底部 In this Document Purpose   Scope   Details   Example Scripts to Simulate Price Order   qp_engine_testing.sql   q…
In this Document Goal   Solution   References APPLIES TO: Oracle Advanced Pricing - Version 11.5.10 and later Information in this document applies to any platform. GOAL This note describes how the QP_PREQ_PUB.PRICE_REQUEST API can be called to obtain…
DECLARE p_line_tbl QP_PREQ_GRP.LINE_TBL_TYPE; p_qual_tbl QP_PREQ_GRP.QUAL_TBL_TYPE; p_line_attr_tbl QP_PREQ_GRP.LINE_ATTR_TBL_TYPE; p_LINE_DETAIL_tbl QP_PREQ_GRP.LINE_DETAIL_TBL_TYPE; p_LINE_DETAIL_qual_tbl QP_PREQ_GRP.LINE_DETAIL_QUAL_TBL_TYPE; p_LI…
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函数语法: group_concat( [DISTINCT]  要连接的字段   [Order BY 排序字段 ASC/DESC]   [Separator '分隔符'] ) 下面举例说明: select * from goods; +------+------+| id| price|+------+------+|1 | 10||1 | 20||1 | 20||2 | 20||3 | 200 ||3 | 500 |+------+------+6 rows in set (0.00 sec)…
/// <summary> /// 实体 /// </summary> public class Product { public int ID { get; set; } public string Name { get; set; } public decimal Price { get; set; } public DateTime PublishDate { get; set; } } /// <summary> /// 实体集合 /// </summar…
前面几节中,我们已经掌握了如何向 SQLite 数据库中写入数据.这一节,我们将学习如何根据需求对数据库进行查询,进而从中获取数据.接下来的例子中会使用 data/datasets.sqlite(之前创建的).首先,需要与数据库建立连接:con <- dbConnect(SQLite( ), "data/datasets.sqlite")dbListTables(con) ## [1] "diamonds" "flights"数据库中有两张…
一.表关系 先参照如下表结构创建7张表格,并创建相关约束                 班级表:class       学生表:student       cid caption grade_id   sid sname gender class_id 1 一年一班 1   1 乔丹 女 1 2 二年一班 2   2 艾弗森 女 1 3 三年二班 3   3 科比 男 2                 老师表:teacher       课程表:course       tid tname…
函数语法: group_concat( [DISTINCT] 要连接的字段 [Order BY 排序字段 ASC/DESC] [Separator '分隔符'] ) 下面举例说明: select * from goods; +------+------+ | id| price| +------+------+ |1 | 10| |1 | 20| |1 | 20| |2 | 20| |3 | 200 | |3 | 500 | +------+------+ 6 rows in set (0.00…
3.3缺失值处理 R中缺失值以NA表示,判断数据是否存在缺失值的函数有两个,最基本的函数是is.na()它可以应用于向量.数据框等多种对象,返回逻辑值. > attach(data) The following objects are masked fromdata (pos = 3): city, price, salary > data$salary=replace(salary,salary>5,NA) > is.na(salary) [1] FALSEFALSE TRUE…