2.查询结果 sel col_type,casewhencol1<>''thencol1whencol2<>''thencol2whencol3<>''thencol3whencol4<>''thencol4else'default'endfetch_value ,col1,col2,col3,col4fromtest1orderby3desc,4desc,5desc,6desc;
SELECT order_id, CASE WHEN status = 'pending' THEN '待处理' WHEN status = 'processing' THEN '处理中' WHEN status = 'completed' THEN '已完成' ELSE '未知状态' END AS status_desc FROM orders; 根据订单金额对订单进行分类: 代码语言:sql 复制 SELECT order_id, CASE WHEN amount < 1000 THEN ...
说明存在重复的记录 select center ,case when count(material) count(distinct material) then...-- 表为空也返回记录 select case when count(*) = 0 then '表为空' when count(*) max(seq) - min(seq) + 1 then...'存在缺失编号' else '连续' end as gap from Seqtable; 查找最小...
This chapter explains the CASE and COALESCE functions of Teradata.CASE ExpressionCASE expression evaluates each row against a condition or WHEN clause and returns the result of the first match. If there are no matches then the result from ELSE part of returned.Syntax...
SQLCasewhen的使用方法 http://blogs.com/yazdao/archive/2009/12/09/1620482.html Case具有两种格式。简单Case函数和Case搜索函数。 --简单Case函数CASEsexWHEN'1'THEN'男'WHEN'2'THEN'女'ELSE' 其他'END--Case搜索函数CASEWHENsex='1'THEN'男'WHENsex= '2'THEN'女'ELSE'其他'END 这两种方式,可以实现...
Spokesperson: Lisa Arthur, former CMO of Teradata Case study summary: In 2009 Teradata undertook an Agile marketing implementation that needed about nine months to complete. The company collaborated with Gartner to make the successful transformation. They automated workflows and approval processes as well...
oracle_1=# \c testdb -- In TD mode, create the td_1 database compatible with Teradata. gaussdb=# CREATE DATABASE td_1 dbcompatibility = 'TD'; -- Switch to the td_1 database. gaussdb=# \c td_1 -- Create the t2 table. td_1=# CREATE TABLE t2(a int, b varchar(10)); --...
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We will show that an Excel file "TopBabyNames" available from Teradata University Network is a valuable source for creating an engaging and useful teaching kit. The file "TopBabayNames" contains 5000 records with more than 5 million occurrences of most popular baby names used in over 100 ...
alreadybe retrying here. I guess the logs in your CI run don't include our own Maybe adding a retry count information when it finally fails will be able to pin-down the problem better: We tried x times but finally gave up. I think we do that generally but the special-case retries fo...