(NAMED ArrayColNumberOfDimensions), udt1.ArrayScope (NAMED ArrayColScope), tvf2.FieldType (NAMED ArrayColElementType), CAST(SUBSTRING(TRANSLATE(tvf2.UDTName USING UNICODE_TO_LOCALE WITH ERROR) FROM 1 FOR 30) AS CHAR(30)) (NAMED ArrayColElementUdtName) FROM DBC.tvfields LEFT OUTER JOIN ...
Teradata中,关键词FORMAT用于格式化列或表达式。例如,LPAD中FORMAT '9(n)'和'z(n)'分别用'0'和空格(' ')表示。数据类型转换可使用CAST或直接数据类型([like (expression1)(CHAR(n))])进行。该功能使用CAST实现。详情参见类型转换和格式化。输入:FORMAT和CASTSE
SELECT CONCAT_WS('-', SUBSTRING(phone_number, 1, 3), SUBSTRING(phone_number, 4, 3), SUBSTRING(phone_number, 7, 4)) AS formatted_phone FROM customers; 3. 列值转换示例: SELECT CONCAT(CAST(year AS VARCHAR(4)), '-', LPAD(CAST(month AS VARCHAR(2)), 2, '0'), '-', LPAD(CAST...
sql teradata select StartDatetime,EndDatetime, (TRIM((COALESCE(CAST((CAST(EndDatetime AS TIME) - CAST(StartDatetime AS TIME) MINUTE(4)) AS INT),''))) as TimeDiff From Table1 EndDatetime和StartDatetime是Timestamp(6)类型的列。上面的查询给出了以分钟为单位的时间戳之间的差异。如果两个时间戳...
例如,cast('a' as char(3))||'b'返回'ab'。 GUC参数behavior_compat_options增加bpchar_text_without_rtrim选项后,char(n)类型做拼接时,保留空格,并补足空格至指定的n长度。 当前不支持“比较字符串时忽略尾部空格”,拼接后结果如果存在尾部空格,进行比较时会对空格敏感。 例如,cast('a' as char(3))||'...
as duration_hours from ( select cast (endtime as timestamp(0) format 'yyyy-mm-ddbhh:mi:ss') - cast (starttime as timestamp(0) format 'yyyy-mm-ddbhh:mi:ss') day(4) TO SECOND duration, txdate from PETL.ETL_JOB_STATUS A
注意:如果所有参数均为非二进制字符串,则结果为非二进制字符串. 如果自变量中含有任一二进制字符串,则结果为一个二进制字符串.一个数字参数被转化为与之相等的二进制字符串格式:若要避免这种情况,可使用显式类型 cast, 例如:SELECT CONCAT(CAST(int_col AS CHAR), char_col) MySQL的con...
version=1 The version number must be 1. This property is required. match=MatchValue The password encryption key and encrypted password files must contain the same match value. The match values are compared to ensure that the two specified files are related to each other, serving as a "sanity...
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...
例如,cast('a' as char(3))||'b'返回'ab'。 GUC参数behavior_compat_options增加bpchar_text_without_rtrim选项后,char(n)类型做拼接时,保留空格,并补足空格至指定的n长度。 当前不支持“比较字符串时忽略尾部空格”,拼接后结果如果存在尾部空格,进行比较时会对空格敏感。 例如,cast('a' as char(3))||'...