1.字符串与日期间转换 date '2007-05-10' cast( (curent_timestamp() (format )) //结果为20180615164201 2.毫秒转换为时间戳 / as BIGINT)) as date); //结果为2018-05-03 02:21:03.000000 注解:日期从1970-01-01开始的,Unix诞生日期,做为计算机时间原点.js...
ColumnFormat 字段格式 X(32) 如DATE类型这里就可以是 ‘YYYYMMDD’ ColumnTitle 字段别名 联系电话 SPParameterType - NULL ColumnType 字段类型 CV ColumnUDTName - ? ColumnLength 字段长度(物理占用字节数量) 32 DefaultValue 默认值 ? Nullable 允许为空? Y CommentString - ? DecimalTotalDigits 精度(...
使用extract有一种方法: Select StartDatetime,EndDatetime ,(CAST((CAST(EndDatetime AS DATE)- CAST(StartDatetime AS DATE)) AS DECIMAL(18,6)) * 60*24) + ((EXTRACT(HOUR FROM EndDatetime) - EXTRACT(HOUR FROM StartDatetime))* 60) + ((EXTRACT(MINUTE FROM EndDatetime) - EXTRACT(MINUTE FROM ...
从字符串string的指定位置删除等于characters的字符串(缺省为空格)。 log(x) 以10为底的对数。 以10为底的对数。 自然对数。 mod(x, 0) 除数为0时返回x。 除数为0时返回x。 除数为0时报错。 数据类型date date会转为timestamp,包含年月日时分秒。 只有年月。 只有年月。 to_char(date) 入参最大值仅支...
其中,最常用的函数是TRANSLATE函数和CAST函数。 TRANSLATE函数:该函数可以将Unicode字符转换为拉丁文字符。它的语法如下: TRANSLATE(source_string USING UNICODE_TO_LATIN) 例如,如果要将Unicode字符串"你好"转换为拉丁文字符串,可以使用以下代码: SELECT TRANSLATE('你好' USING UNICODE_TO_LATIN); CAST函数:该函数...
cast (starttime as timestamp(0) format 'yyyy-mm-ddbhh:mi:ss') day(4) TO SECOND duration, txdate from PETL.ETL_JOB_STATUS A where 1=1 and jobstatus='Done' and A.txdate>=date'2012-06-01' and A.txdate<date'2012-07-19' ...
我正在使用DateTime.ParseExact(date, "yyMMdd", CultureInfo.InvariantCulture).ToString();将数字格式的日期更改为日期,我得到日期,但它也返回时间部分,但我希望它只是我的日期,下面是我的代码。String date = TextBox3.Text.Trim(); Label9.Text = DateTime.ParseExact(date, "yyMMdd", 浏览6提问于2016-11-15...
Basically, Teradata User-defined functions have the built-in capability to understand and cast the character, Numeric, Byte, and Date values implicitly. If the string expression passed for substring are of BLOB(Binary Large Objects) datatypes then result in datatypes will also be of BLOB type. ...
I am not a Teradata expert, but I would suggest trying to add (DATE) to the end of the date string too. WHERE CALL_DATE (DATE) = '2007-08-22' (DATE) I have had issues with this kind of thing before. This info is just from my past experiences, so I don't have any websites...
Your R script calls the DBI::dbConnect function to open a connection to the database.You may specify connection parameters as a JSON string, as named arguments, or using a combination of the two approaches. The DBI::dbConnect function's first argument is an instance of teradatasql::...