To fetch the current date in oracle there is on function named ‘Sysdate’. Example: select sysdate fron dual; 8.How to fetch the date in “YYYY-MM-DD” format with its timestamp. Answer: SELECT TO_CHAR (SYSDATE, ‘YYYY-MM-DD HH24:MI:SS’) “Current_Date” FROM DUAL; 9.What is...
Direct Path Reads AgainApril 19, 2013-(10) Plan stability through Upgrade to 11G-Why is my plan changed?-Auto Adjusted Dynamic SamplingMay 31, 2012-(5) Carlos Sierra started bloggingApril 25, 2012-(1) When dbms_xplan.display_sql_plan_baseline fails to show the planApril 11, 2012-(2) ...
The connector provides all the features required to integrate Oracle E-Business HRMS as a trusted source of identity data. The connector can also be configured for use in scenarios in which Oracle E-Business HRMS is one of the trusted sources in the operating environment of the organization. No...
194 751169994 Java execution elapsed time 0 194 1159091985 repeated bind elapsed time .0000001 194 2411117902 RMAN cpu time (backup/restore) 0 19 rows selected. Elapsed: 00:00:01.61 SQL> select (sysdate-logon_time)*24*60 minutes, username,machine,sid,serial#,event,p1,p2,p3 2 from v$sessio...
--- Our neighbor ___ for a party.如图7510所示，在光滑水平面上有一物体，它的左端连一弹簧，弹簧的另一端固定在墙上，在力F的作用下物体处于静止状态，当撤去F后，物体将向右运动.在物体向右运动的过程中，下列说法正确的是( )【导学号：50152118】图7510 ...
(select thread#, first_time, first_change#,next_time, next_change#, sequence#,dest_id from v$archived_logwhere next_time > sysdate-30 and dest_id=1order by next_time)order by first_time, thread#/ THREAD# FIRST_TIME FIRST_CHANGE# NEXT_CHANGE# SEQUENCE# DIFF RT--- --- --- --- ...
多利用内部函数提高Sql效率 SQL语句索引的利用 对操作符的优化(见前面) 对条件字段的一些优化 采用函数处理的字段不能利用索引 如: substr(hbs_bh,1,4)=’5400’,优化处理:hbs_bh like ‘5400%’ trunc(sk_rq)=trunc(sysdate), 优化处理:sk_rq>=trunc(sysdate) and sk_rq50,优化处理:ss_df>30 ‘X’...
You execute this query: SELECT TO_CHAR(NEXT_DAY(LAST_DAY(SYSDATE), ‘MON’), ‘dd “Monday for” fmMonthrrrr’) What is the result? A. It executes successfully but does not return any result B. It returns the date for the first Monday of the next month C. It generates ...
"http://www.ibatis.com/dtd/sql-map-config-2.dtd"> <sqlMapConfig> </sqlMapConfig> 于是启动jboss时出现一个错误: ERROR [ContextLoader] Context initialization failed org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'sqlMapClient' defined in ServletContext resource [...
What is epoch time? unix 时间转换器 TheUnix epoch(orUnix timeorPOSIX timeorUnix timestamp) is the number of seconds that have elapsed since January 1, 1970 (midnight UTC/GMT), not counting leap seconds (in ISO 8601: 1970-01-01T00:00:00Z). Literally speaking the epoch is Unix time ...