sysdate

来源： https://stackoverflow.com/questions/43910819/oracle-subtracting-days-and-minutes

来源： https://stackoverflow.com/questions/43910819/oracle-subtracting-days-and-minutes

问题 With this query: select sysdate from dual; the result is: 27-09-2018 07:50:50 -- this UK time with : Select dbtimezone from dual; output: +10:00 I want the sysdate to be of the same timezone of dbtimezone I was trying to do it with alter database set time_zone='AEST' , but i'm bit confused if this is the right solution. Any help most appreciated. Thanks. 回答1: It is a common misunderstanding that DBTIMEZONE is the time zone for SYSDATE and SYSTIMESTAMP SYSDATE and SYSTIMESTAMP are returned in

问题 With this query: select sysdate from dual; the result is: 27-09-2018 07:50:50 -- this UK time with : Select dbtimezone from dual; output: +10:00 I want the sysdate to be of the same timezone of dbtimezone I was trying to do it with alter database set time_zone='AEST' , but i'm bit confused if this is the right solution. Any help most appreciated. Thanks. 回答1: It is a common misunderstanding that DBTIMEZONE is the time zone for SYSDATE and SYSTIMESTAMP SYSDATE and SYSTIMESTAMP are returned in

问题 I have given the below code in query. where to_date(cal_wid,'yyyymmdd') between add_months(to_date(sysdate, 'MM-YYYY'),-12) and to_date(sysdate, 'MM-YYYY') I am getting the following bug. (I am doing in a Xampp server) Warning: oci_execute(): ORA-01843: not a valid month in C:\xampp\htdocs\xxx\index.php on line 149 Warning: oci_fetch_array(): ORA-24374: define not done before fetch or execute and fetch in C:\xampp\htdocs\xxx\index.php on line 160 Can anyone tell why I am getting this error?

问题 I have given the below code in query. where to_date(cal_wid,'yyyymmdd') between add_months(to_date(sysdate, 'MM-YYYY'),-12) and to_date(sysdate, 'MM-YYYY') I am getting the following bug. (I am doing in a Xampp server) Warning: oci_execute(): ORA-01843: not a valid month in C:\xampp\htdocs\xxx\index.php on line 149 Warning: oci_fetch_array(): ORA-24374: define not done before fetch or execute and fetch in C:\xampp\htdocs\xxx\index.php on line 160 Can anyone tell why I am getting this error?

问题 In dynamic SQL, I'd like to add 1 second every 10 rows Following query didn't work, got "the interval is invalid" select rownum ,(round(rownum/10,0)+1) ,sysdate + interval '(round(rownum/10,0)+1)' SECOND from anytable_with_lots_of_rows where rownum < 100; Anyone ? thanks ! 回答1: Classic way is the division by the number of seconds in a day, e.g. with rn as ( select rownum-1 id from dual connect by level <= 100), rn2 as (select id, trunc(id/10) tr_id from rn) select id, tr_id, sysdate + tr_id /

问题 I would like to select 1 if current date falls between 2 dates through Oracle SQL. I wrote an SQL after reading through other questions. https://stackoverflow.com/questions/2369222/oracle-date-between-query https://stackoverflow.com/questions/2399753/select-from-table-by-knowing-only-date-without-time-oracle But it returned only null. sysdate is the current date that is 01/05/2014 in date format DD/MM/YYYY . The SQL I wrote is: select 1 from dual WHERE to_date(sysdate,'DD/MM/YYYY') BETWEEN TO

问题 I've been wondering - I have a lot of use with sysdate on my system, and when comparing it to my date columns I have to use trunc(sysdate) since the format of sysdate is DD/MM/YYYY HH24:MI:SS . I looked over the internet for other functions to return current date on format of DD/MM/YYYY but had no luck, current_date , current_timestamp and ETC also gives me the hours format.. I need this for better performance when comparing an indexed date column to the current date. So , anybody know of a

问题 I've just created a sample table with following data: CREATE TABLE AAA ( DT DATE ); insert into aaa (DT) values (to_date('13-01-2013', 'dd-mm-yyyy')); insert into aaa (DT) values (to_date('14-01-2013', 'dd-mm-yyyy')); insert into aaa (DT) values (to_date('15-01-2013', 'dd-mm-yyyy')); insert into aaa (DT) values (to_date('16-01-2013', 'dd-mm-yyyy')); insert into aaa (DT) values (to_date('17-01-2013', 'dd-mm-yyyy')); insert into aaa (DT) values (to_date('18-01-2013', 'dd-mm-yyyy')); insert into