回答:按照sql标准来说 = null这种语法本来就是错误的，在oracle postgresql mssql等企业级数据库中这种语法根本就不支持。判断是否为null的标准sql规范是is null 和is not null。sql是个公共的数据库查询语言有他自己的标准。mysql postgresql mssql oracle等都不同程度的遵循不同的sql标准并且各自都又在自家产品中加入了他自己的特色...
littlelightss
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问题描述:https://www.ucloud.cn/yun/130291.html我买了个华盛顿的，提示“OpenAI's services are not available in your country. (error=unsupported_coun”
jiangjc1642
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798人阅读
问题描述:[hadoop@usdp01 ~]$ hbase shellSLF4J: Class path contains multiple SLF4J bindings.SLF4J: Found binding in [jar:file:/opt/usdp-srv/srv/udp/2.0.0.0/hdfs/share/hadoop/common/lib/slf4j-log4j12-1.7.25.jar!/org/slf4j/impl/StaticLoggerBinder.class]...
13283826897
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758人阅读
问题描述:usdp部署安装Prometheus失败，执行失败的安装任务如下：[失败] [node129]通过 Restful 重载 Prometheus 配置文件日志报错信息如下：2023-03-22 10:42:31 [AsyncTask] Task Started: [node129]通过 Restful 重载 Prometheus 配置文件TaskInfo:[ hostname: node...
1175687813
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907人阅读
...设置........ 小二，上代码！ 来喽~~ // html布局 Page Not FoundPage Not FoundPage Not FoundPage Not FoundPage orry, but the page you were trying to view does not exist. shhhhsss sh...
...，上代码！ 来喽~~ // html布局 html body div div Page Not FoundPage Not FoundPage Not FoundPage Not FoundPage /div div div orry, but the page you were trying to view does not exist. /div ...
...，上代码！ 来喽~~ // html布局 html body div div Page Not FoundPage Not FoundPage Not FoundPage Not FoundPage /div div div orry, but the page you were trying to view does not exist. /div ...
...，上代码！ 来喽~~ // html布局 html body div div Page Not FoundPage Not FoundPage Not FoundPage Not FoundPage /div div div orry, but the page you were trying to view does not exist. /div ...
... 1 比分 --draw d 平 --lose l 负 CREATE TABLE `data`( `ID` int(18) NOT NULL AUTO_INCREMENT, `scr` char(100) NOT NULL, `hos` char(100) NOT NULL, `gue` char(100) NOT NULL, `w10` float(5,2) NOT ...
... product_brands CREATE TABLE `product_brands` ( `id` int(11) unsigned NOT NULL AUTO_INCREMENT COMMENT 品牌ID, `name` varchar(255) unsigned NOT NULL DEFAULT COMMENT 品牌名称, `desc` varchar(2...
... 表结构 交易表 CREATE TABLE `transaction` ( `id` int(10) unsigned NOT NULL AUTO_INCREMENT, `order_sn` varchar(255) COLLATE utf8mb4_unicode_ci NOT NULL COMMENT 交易单号, `member_id` bigint(20) NOT NULL...
... 数据表 order 订单表 CREATE TABLE `order` ( `id` int(10) unsigned NOT NULL AUTO_INCREMENT, `order_no` varchar(100) COLLATE utf8mb4_unicode_ci NOT NULL COMMENT 订单编号, `order_sn` varchar(100) COLLATE ...
...手机】 四、数据库设计 CREATE TABLE `bgm` ( `id` varchar(64) NOT NULL, `author` varchar(255) NOT NULL, `name` varchar(255) NOT NULL, `path` varchar(255) NOT NULL COMMENT 播放地址, PRIMARY KEY (`id`) ) ...
...admin中migration里面的用户表 create table `user` ( `id` int(11) NOT NULL AUTO_INCREMENT PRIMARY KEY, `username` varchar(32) NOT NULL, `auth_key` varchar(32) NOT NULL, `password_hash` varch...
轻量云主机已更新简化版Windows帕鲁镜像的安装教程，现在仅需3步，就可以畅游帕鲁大陆！需要Lin...
UCloud轻量云主机已更新Linux帕鲁镜像的安装教程，现在仅需1步，就可以畅游帕鲁大陆！也欢迎大...
