简介
API 应用程序编程接口 用户开放API，在API网关录入API，以提供接口的方式对外提供服务或者数据。Group API Group API分组 一组API。用户开放API，首先需要创建API分组 每个API分组拥有一个二级域名，两个Stage 用户需要将已经备案且解析至...
阿里云OpenAPI
API（应用程序编程接口）是一种允许应用程序之间相互通信的标准接口。API 允许开发者在多个不同的应用程序之间共享数据、功能和服务，使开发者更容易地实现连接两个应用程序之间的功能，也使开发人员可以更轻松地开发和扩展应用程序。Open...
基础术语
中文 释义 API 应用程序编程接口，是一些预先定义的函数，或指软件系统不同组成部分衔接的约定。API 分组 用于将 API 进行逻辑的分组，同个分组下的 API 使用相同的分组标识做隔离。分组标识 是网关全局的唯一标识，用于定位在访问的 API。...
ST_As3DGrid
语法 geomgrid[]ST_As3DGrid(geometry geom3d,integer precision,bool degenerated default false);geomgrid[]ST_As3DGrid(meshgeom geom3d,integer precision,bool degenerated default false);geomgrid[]ST_As3DGrid(sfmesh geom3d,...
ST_As3DGrid
语法 geomgrid[]ST_As3DGrid(geometry geom3d,integer precision,bool degenerated default false);geomgrid[]ST_As3DGrid(meshgeom geom3d,integer precision,bool degenerated default false);geomgrid[]ST_As3DGrid(sfmesh geom3d,...
ST_As3DGrid
语法 geomgrid[]ST_As3DGrid(geometry geom3d,integer precision,bool degenerated default false);geomgrid[]ST_As3DGrid(meshgeom geom3d,integer precision,bool degenerated default false);geomgrid[]ST_As3DGrid(sfmesh geom3d,...
特征编码
3 as campaign,6 as pdays,2 as previous,-1.7 as emp_var_rate,94.055 as cons_price_idx,-39.8 as cons_conf_idx,0.729 as euribor3m,4991.6 as nr_employed,1 as y union all select 39 as age,2 as campaign,999 as pdays,0 as ...
聚类模型评估
create table if not exists pai_cluster_evaluation_test_input as select*from(select 1 as id,1 as f0,2 as f3 from dual union all select 2 as id,1 as f0,3 as f3 from dual union all select 3 as id,1 as f0,4 as f3 from dual ...
PS-SMART二分类训练
0.9 as f4,-1.04 as f5,1 as label union all select 1.02 as f0,-0.88 as f1,0.82 as f2,1.82 as f3,1.55 as f4,0.53 as f5,0 as label union all select 1.19 as f0,-1.18 as f1,-1.1 as f2,2.26 as f3,1.22 as f4,0.92 as f5,0 as label...
Table2KV
create table test as select*from(select 0 as rowid,1 as col0,1.1 as col1,2 as col2 from dual union all select 1 as rowid,0 as col0,1.2 as col1,3 as col2 from dual union all select 2 as rowid,1 as col0,2.3 as col1,4 as col2...
标签传播聚类
in_id,0.7 as edge_weight union all select '5' as flow_out_id,'8' as flow_in_id,0.7 as edge_weight union all select '6' as flow_out_id,'7' as flow_in_id,0.6 as edge_weight union all select '6' as flow_out_id,'8' as flow_in_...
K均值聚类
s3"as id_s,"0:2.1,3:2.2"as kvs0,"6:2.3,7:2.4"as kvs1 from dual union all select 4 as id,"s4"as id_s,"0:3.1,4:3.2"as kvs0,"8:3.3,9:3.4"as kvs1 from dual union all select 5 as id,"s5"as id_s,"0:5.1,5:5.2"as kvs0,"10:5.3,6:5...
使用CloudLens for SLS分析资源用量
t2 as(select InstanceID,round(di[1],3)as"费用",concat(cast(round(di[3]*100-100,3)as varchar),'%')"同比上月"from(select InstanceID,compare(cost,2592000)as di FROM(select InstanceID,round(sum(PretaxAmount),2)as cost FROM ...
标准化
datetime from dual union all select '04' as col_string,13 as col_bigint,10.4 as col_double,cast(null as boolean)as col_boolean,cast('2016-07-05 10:00:00' as datetime)as col_datetime from dual union all select '05' as col_...
归一化
datetime from dual union all select '04' as col_string,13 as col_bigint,10.4 as col_double,cast(null as boolean)as col_boolean,cast('2016-07-05 10:00:00' as datetime)as col_datetime from dual union all select '05' as col_...
CAST函数
返回结果如下：NULL 示例3 将DOUBLE的数据类型 4.3 转换为BOOLEAN类型，语句如下：SELECT CAST(4.3 AS BOOLEAN);返回结果如下：+-+|CAST(4.3 AS BOOLEAN)|+-+|1|+-+示例4 将INT的数据类型 5 转换为BOOLEAN类型，语句如下：SELECT CAST(5 AS...
CREATE TABLE AS
Hologres从V1.3.21版本开始，支持使用CREATE TABLE AS语句创建表，复制表结构的同时也可以选择复制数据。本文为您介绍在Hologres中CREATE TABLE AS的用法。背景信息 CREATE TABLE AS的功能为：创建一个与源表结构或者查询Query结果相同的新...
缺失值填充
datetime from dual union all select '04' as col_string,13 as col_bigint,10.4 as col_double,cast(null as boolean)as col_boolean,cast('2016-07-05 10:00:00' as datetime)as col_datetime from dual union all select '05' as col_...
API使用规范
API 本规范中“API”指：阿里云向您提供的应用程序编程接口（Application Programming Interface,简称API），您编程后通过该应用程序编程接口，可获取阿里云提供的弹性计算服务（ECS）、关系数据库服务（RDS）和对象存储服务（OSS）等阿里...
API 流量治理
请求参数 名称 类型 是否必填 示例 描述 api_id STRING 否 NQ3MMyVqDX6Jkbb7sj6Sm4UoYRSrsQw3 API 标识 param ApiCacheVO 否-缓存配置信息 tenant_id STRING 否 TSCPDICNT 租户标识 workspace_id STRING 否 default 工作空间标识 返回参数 ...
发布API商品
3 API网关上配置并发布API 3.1 概述 注意：需要使用入驻成功后的服务商账号在API网关上进行配置，否则在云市场服务商控制台上将无法获取到配置好的API信息。以下图的API商品为例，介绍如何在API网关上进行配置。3.2 创建API分组 首先需要在...
UDF（地理空间）
本文为您介绍如何使用开源地理空间UDF分析空间数据。前提条件 请确认您已完成...wget 'https://repo1.maven.org/maven2/com/esri/geometry/esri-geometry-api/2.2.0/esri-geometry-api-2.2.0.jar' -O esri-geometry-api.jar cp~/.m2/repository/...
服务接入点
2 apigateway.ap-northeast-2.aliyuncs.com 马来西亚（吉隆坡）ap-southeast-3 apigateway.ap-southeast-3.aliyuncs.com apigateway-vpc.ap-southeast-3.aliyuncs.com日本（东京）ap-northeast-1 apigateway.ap-northeast-1.aliyuncs....
数据源配置常见问题
如果您已有API中的逻辑在使用DataV的API数据源时不支持（例如计算签名等），可使用阿里云API网关托管您的API，DataV连接阿里云API网关数据源时可以间接调用您在API网关中托管的API，此时阿里云API网关相当于API的代理。具体使用操作请参见 ...
数据源配置常见问题
如果您已有API中的逻辑在使用DataV的API数据源时不支持（例如计算签名等），可使用阿里云API网关托管您的API，DataV连接阿里云API网关数据源时可以间接调用您在API网关中托管的API，此时阿里云API网关相当于API的代理。具体使用操作请参见 ...
创建后端服务为HTTP的API
步骤3 API基本信息 本环节是定义API基本信息，包括API分组、API名称、安全认证方式、API类型、和描述等。选择刚刚创建的分组，写入对应配置，安全认证这里选择 APPcode（header&Query）认证。步骤4 定义API请求 本环节是定义client端（如...
函数计算
Apache-HttpClient\/4.1.2(java 1.6)","Host":"test.alicloudapi.com","X-Ca-Key":"testKey","Date":"Mon,05 Jun 2017 08:52:43 GMT","Accept":"application/json","headerParam":"testHeader"{"bodyParam":"testBody"} 3.3.3 API网关返回...
WAF接入配置
2 前提条件 开通Web应用防火墙 在API网关上已经发布了API 3 操作步骤 步骤1：在API分组上绑定您的域名，操作过程详见 使用自定义域名调用API。绑定成功后如下图所示：重要 由于后续步骤中还需配置WAF，建议当前阶段绑定域名时使用TXT解析。...
导入标准OAS定义
API网关支持导入OAS 2.0和OAS3.0格式（详见 OpenAPI Specification）的API定义，帮助用户快速将现有系统的API接入网关。API网关既支持标准OAS格式的API定义的导入、也支持OAS定义扩展后的API定义导入。导入标准OAS格式的API定义 主要包括...
使用摘要签名认证方式调用API
API的拥有者可以在API网关控制台的应用管理页面生成APP，每个APP会携带一对签名密钥（APP Key和APP Secret）,API拥有者将API授权给指定的APP（APP可以是API拥有者颁发或者API调用者所有）后，API调用者就可以用APP的签名密钥来调用相关的...
flash
该组件是Flash VFS驱动子系统，目前支持Nor Flash 和 Nand Flash给应用或组件提供通过VFS形式（open/close/ioctl）访问Flash设备驱动对上层提供服务的接口。该组件初始化过程中，会根据板子中定义的分区数量来依此创建如下名称的设备节点：...
逻辑回归二分类
cast(0 as double)as f1,cast(0 as double)as f2,cast(1 as double)as f3,cast(1 as bigint)as label from dual union all select cast(1 as double)as f0,cast(0 as double)as f1,cast(0 as double)as f2,cast(0 as double)as f3,cast(0 ...
复杂事件处理（CEP）语句
b1、b2 c1、b3 c2 c3，下方SQL语句得到的结果为 a1 b1 b2 c1 c3 d1：SELECT*FROM MyTable MATCH_RECOGNIZE(ORDER BY rowtime MEASURES A.id AS aid,FIRST(B.id)AS b1_id,FIRST(B.id,1)AS b2_id,FIRST(C.id)AS c1_id,LAST(C.id)AS c3_id,D....
GBDT回归
cast(0 as double)as f1,cast(0 as double)as f2,cast(1 as double)as f3,cast(1 as bigint)as label from dual union all select cast(1 as double)as f0,cast(0 as double)as f1,cast(0 as double)as f2,cast(0 as double)as f3,cast(0 ...
GBDT二分类
cast(0 as double)as f1,cast(0 as double)as f2,cast(1 as double)as f3,cast(1 as bigint)as label from dual union all select cast(1 as double)as f0,cast(0 as double)as f1,cast(0 as double)as f2,cast(0 as double)as f3,cast(0 ...
逻辑回归多分类
cast(1 as double)as f1,cast(0 as double)as f2,cast(0 as double)as f3,cast(0 as bigint)as label from dual union all select cast(0 as double)as f0,cast(0 as double)as f1,cast(1 as double)as f2,cast(0 as double)as f3,cast(2 ...
Modularity
id,'3' as group_out_id,'4' as flow_in_id,'3' as group_in_id union all select '3' as flow_out_id,'3' as group_out_id,'4' as flow_in_id,'3' as group_in_id union all select '4' as flow_out_id,'3' as group_out_id,'6' as flow_...
PARSE_URL
PARSE_URL(url1,'REF')as var5,PARSE_URL(url1,'PROTOCOL')as var6,PARSE_URL(url1,'FILE')as var7,PARSE_URL(url1,'AUTHORITY')as var8,PARSE_URL(nullstr,'QUERY')as var9,PARSE_URL(url1,'USERINFO')as var10,PARSE_URL(nullstr,'QUERY'...
H3函数
语法 boolean H3_AreNeighborCells(Long H3Cell1,Long H3Cell2)boolean H3_AreNeighborCells(string H3Cell1,string H3Cell2)参数说明 参数 说明 H3Cell1、H3Cell2 H3网格编码，类型为LONG或STRING。示例 示例一：输入两个LONG格式的H3网格...
WAF日志告警配置案例
本文提供了典型的Web应用防火墙（WAF）日志查询与分析告警配置案例。您可以参考本文提供的告警配置参数，在自定义WAF日志仪表盘中添加监控图表及配置告警。重要 本文以旧版日志服务告警配置为例，介绍相关配置参数。如果您已升级使用了新版...
- 产品推荐
- 这些文档可能帮助您