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JSON类型 概述 JSON数据类型可以用来存储JSON（JavaScript Object Notation）数据，DSC工具支持以下列出类型转换。 类型对照 输入示例JSON 1 2 3 4 5 6 7 CREATE TABLE IF NOT EXISTS `runoob_dataType_test`(
coordinator, the maximum number of coordinators %d specified by 'max_coordinators' has been reached." SQLSTATE: 42601 错误原因：语法错误，创建的coordinator数
hword_numpart,"Hyphenated word part, letters and digits") (10,hword_part,"Hyphenated word part, all letters") (11,hword_asciipart,"Hyphenated word part
hword_numpart,"Hyphenated word part, letters and digits") (10,hword_part,"Hyphenated word part, all letters") (11,hword_asciipart,"Hyphenated word part
select supp_nation, cust_nation, l_year, sum(volume) as revenue from ( select n1.n_name as supp_nation, n2.n_name as cust_nation, extract(year
Hyphenated word part, letters and digits 10 | hword_part | Hyphenated word part, all letters 11 | hword_asciipart | Hyphenated word
hword_numpart,"Hyphenated word part, letters and digits") (10,hword_part,"Hyphenated word part, all letters") (11,hword_asciipart,"Hyphenated word part
number(6) not null unique, prod_name national character varying(32) not null, prod_desc clob
INTERVAL MySQL中使用interval表达式格式为INTERVAL N时间单位，DWS不支持，需要转换为INTERVAL 'N'时间单位。 输入示例 1 2 3 4 5 6 SELECT CURRENT_TIME() - INTERVAL 4 DAY; SELECT NOW()
--remove-destination %p /mnt/server/archivedir/%f' archive_command = 'copy %p /mnt/server/archivedir/%f' # Windows --remove-destination选项作用为：复
--remove-destination %p /mnt/server/archivedir/%f' archive_command = 'copy %p /mnt/server/archivedir/%f' # Windows --remove-destination选项作用为：复
若需要取消运行时间过长的查询，通过PG_TERMINATE_BACKEND函数，根据线程ID结束会话。 1 SELECT PG_TERMINATE_BACKEND(139834759993104); 显示类似如下信息，表示结束会话成功。 1 2 3 4 PG_TERMINATE_BACKEND ----------------------
若需要取消运行时间过长的查询，通过PG_TERMINATE_BACKEND函数，根据线程ID结束会话。 1 SELECT PG_TERMINATE_BACKEND(139834759993104); 显示类似如下信息，表示结束会话成功。 1 2 3 4 PG_TERMINATE_BACKEND ----------------------
BARRIER PREPARE message is expected to arrive at a Coordinator from another Coordinator" SQLSTATE: XX000 错误原因：系统内部错误。 解决办法：请联系技术支持工程师提供技术支持。 GAUSS-02237:
S、PaaS和SaaS类云服务内部的安全以及对租户定制配置进行安全有效的管理，包括但不限于虚拟网络、虚拟主机和访客虚拟机的操作系统，虚拟防火墙、API网关和高级安全服务，各项云服务，租户数据，以及身份账号和密钥管理等方面的安全配置。 《华为云安全白皮书》详细介绍华为云安全性的构建
-+--------------+---------------+-------------+-------------- coordinator2 | 2020-01-14 21:58:29.290894+08 | 0 | 12010 | 278 |
YEAR, P_BRAND; Q3.1 1 2 3 4 5 6 7 8 9 10 11 12 SELECT C_NATION, S_NATION, div(LO_ORDERDATE,10000) AS YEAR, SUM(LO_REVENUE) AS revenue
Hyphenated word part, letters and digits 10 | hword_part | Hyphenated word part, all letters 11 | hword_asciipart | Hyphenated word
Hyphenated word part, letters and digits 10 | hword_part | Hyphenated word part, all letters 11 | hword_asciipart | Hyphenated word
beta1 asciihword Hyphenated word, all ASCII up-to-date hword Hyphenated word, all letters lógico-matemática numhword Hyphenated word, letters and
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