我正在创建一个显示饼图的web应用程序。为了在单个HTTP请求中从PostgreSQL 9.3数据库中获取图表的所有数据,我将多个SELECT语句与UNION ALL组合在一起--以下是部分:
SELECT 'spf' as type, COUNT(*)
FROM (SELECT cai.id
FROM common_activityinstance cai
JOIN common_activityinstance_settings cais ON cai.id = cais.activityinstance_id
import java.util.Scanner;
public class CAI {
public static void main(String[] args) {
Scanner cai = new Scanner(System.in);
System.out.println("Caluclator");
System.out.println("\nHere are your options:");
System.out.println("\n1. Additi
SELECT a.FirstName, a.LastName, Count(cai.ArtistID)
FROM Artist a
JOIN CUSTOMER_ARTIST_INT cai ON(a.ArtistID=cai.ArtistID)
GROUP BY a.FirstName, a.LastName
给出了一个输出
FirstName LastName COUNT(CAI.ArtistID)
Luke Skywalker 2
Han Solo 7
Darth Vader 3
但是,我的查
如何解决此错误:
Error 1 error LNK2019: unresolved external symbol _WinMain@16 referenced in function ___tmainCRTStartup
我还定义了cai.cpp中的所有函数。然而,由于代码太多,我没有上传它。我确实在cai.cpp中包含了.h文件。我对这个错误所问的问题感到困惑。
main.cpp文件
#include "cai.h"
int main()
{
CAI test;
test.StartTest();
}
cai.h文件
class CAI
{
publ
我使用的是PostgreSQL 9.3,我有一个很大很难看的查询.
SELECT cai.id
FROM common_activityinstance cai
JOIN common_activityinstance_settings cais ON cai.id = cais.activityinstance_id
JOIN common_activitysetting cas ON cas.id = cais.id
WHERE cai.end_time::date = '2015-09-11'
AND ( key = 'disable_student_
我的sphinx.conf中有这样一个查询:
sql_query = \
SELECT c.id as cid, s.active AS subscriptionActive, c.icof, c.firma, a.textadr, \
r.textz, cc.value, cc.title, cai.description, cai.vat, cai.name, cai.address, AVG(rev.rating) as companyAverageRating \
FROM companies as c \
LEFT JOIN addresses as a ON c.icof = a
我使用Linq从上下文中检索数据。我正在尝试只获取没有孙子范围且内部名称包含单词“AttributeItems”的父CategoryAttributeItemDescriptions项。下面的代码就是我当前所在的位置。
var query = from caid in context.CategoryAttributeItemDescriptions
join cai in context.CategoryAttributeItems on caid.Id equals cai.CategoryAttributeItemDescriptionsId
我通过eclipse在后端HANA数据库中创建了一个XSJS服务。当我从邮递员那里调用服务时,它工作得很好,并得到了结果。但是当我从SAP CAI聊天机器人调用相同的服务时,它给出了一个错误: getaddrinfo ENOTFOUND。 Postman Screenshot SAP CAI Screenshot 感谢并问候Vivek
这是我的数据库结构创建数据库testGroupfirst;go
use testGroupfirst;
go
create table testTbl (
id int primary key identity,name nvarchar(50) ,year int ,degree int , place nvarchar(50)
)
insert into testTbl values ('jack',2015,50,'giza')
insert into testTbl values ('jack',2016,500,'ca
我试图根据特定条件从工作表A复制到工作表B。此外,每次将行复制到工作表B时,以前从工作表B复制的行应该向下移动,新行应该在最上面复制。
目前,我有以下代码(来自),但它正在复制上一行下面的行
Sub MoveBasedOnValue2()
Dim xRg As Range
Dim Cell As Range
Dim A As Long
Dim B As Long
Dim C As Long
A = Worksheets("CAI").UsedRange.Rows.Count
B = Worksheets("AR").UsedRange.Rows.Count
If
我想随机选择4行,这些行是不同的,并且没有与所选的4列中的任何一列匹配的条目。
下面是我编码的内容:
SELECT DISTINCT en,dialect,fr FROM words ORDER BY RANDOM() LIMIT 4
以下是一些数据:
**en** **dialect** **fr**
number SFA numero
number TRI numero
hotel CAI hotel
hotel SFA hotel
我要:
**en** **dialect** **fr**
number SFA
我有一个测试脚本如下:
# listingParser.ps1 --- by alphabetical order NOT numeric
$input_path = "C:\test\test3\Copy of 31832_226140__0001-00010.txt"
$output_file = "C:\test\test3\filterorder.txt"
$regexNum = '\d\d\d\s[A-Z][A-Z][A-Z]' # Roll Entry Number and NAME
$r