SQL>selectINTERVAL'2'yearas"year",2INTERVAL'50'monthas"month",3INTERVAL'99'dayas"day",/*最大只能到99*/4INTERVAL'80'houras"hour",5INTERVAL'90'minuteas"minute",6INTERVAL'3.15'secondas"second",7INTERVAL'2 12:30:59'DAYtosecondas"DAY to second",8INTERVAL'13-3'yeartomonthas"Year to mo...
SQL>SELECT hiredate,2to_number(to_char(hiredate,'hh24'))时,3to_number(to_char(hiredate,'mi'))分,4to_number(to_char(hiredate,'ss'))秒,5to_number(to_char(hiredate,'dd'))日,6to_number(to_char(hiredate,'mm'))月,7to_number(to_char(hiredate,'yyyy'))年,8to_number(to_char(...
Anyway to force SQL server to save store procedure with errors? Appending a SQL command output file rather than overwriting it? Appending text to a field that already contains text using TSQL apply cross apply function on condition Arabic question mark Arduino and SQL Server Are there any Bitmap...
EXTRACT(): return a year, month, day, hour, minute, second, or time zone from x : EXTRACT « Date Timezone « Oracle PL / SQLOracle PL / SQL Date Timezone EXTRACT EXTRACT(): return a year, month, day, hour, minute, second, or time zone from x...
extract(month from 后边应该直接跟日期格式就可以，你的t.TASK_STARTDATE字段类型不是date？？？改成：extract(month fromt.TASK_STARTDATE)= '12'
EXTRACT(unitFROMdate) 1. 其中,unit表示要提取的时间部分,可以是以下值之一: YEAR:年份 MONTH:月份 DAY:日期 HOUR:小时 MINUTE:分钟 SECOND:秒 date表示要提取的日期或时间字段。 2. 提取月初的日期 要提取月初的日期,可以使用EXTRACT函数提取出给定日期的月份,然后将其与1日组合成新日期。具体步骤如下: ...
SQL> select INTERVAL '2' year as "year", 2 INTERVAL '50' month as "month", 3 INTERVAL '99' day as "day",/*最大只能到99*/ 4 INTERVAL'80' hour as "hour", 5 INTERVAL'90' minute as "minute", 6 INTERVAL'3.15' second as "second",...
Extract the week from a date: SELECT EXTRACT(WEEK FROM "2017-06-15"); Try it Yourself » Example Extract the minute from a datetime: SELECT EXTRACT(MINUTE FROM "2017-06-15 09:34:21"); Try it Yourself » Example Extract the year and month from a datetime: SELECT EXTRACT(YEAR_...
EXTRACT( { YEAR | MONTH | DAY | HOUR | MINUTE | SECOND | TIMEZONE_HOUR | TIMEZONE_MINUTE | TIMEZONE_REGION | TIMEZONE_ABBR } FROM { expr } ) SQL> SELECT E.ENAME,EXTRACT(YEAR FROM E.HIREDATE) E_YEAR,EXTRACT(MONTH FROM E.HIREDATE) E_MONTH FROM EMP E; ...
需要在SQL语句中实现截取date类型的,可使用extract函数 原SQL: sqlMonthFound="SELECT DISTINCT out_date AS 日期, out_1 / 1.05 AS 销货收入, out_17 AS 来客数,(out_1 / out_17) / 1.05 AS 客单价 FROM account WHERE (store_id = '"&store_id&"') AND MONTH(out_date) = MONTH('"&yearnow...