2、Google,Key word: oracle 、sequence、reset Result: create or replace procedure reset_seq( p_seq_name in varchar2 ) is l_val number; begin execute immediate 'select ' || p_seq_name || '.nextval from dual' INTO
Likewise, a consumer can wait when trying to dequeue a message if no message were available. An agent program or application could act as both a producer and a consumer. Producers can enqueue messages in any sequence. Messages are not necessarily dequeued in the order in which they are ...
Updated January 5, 2022 This document contains answers to the most frequently asked questions about Oracle's JDBC drivers. Note that this FAQ addresses specific technical questions only and are used to document solutions to frequent customer questions as well as any known problems. Go through the ...
begin-datetime Begins extracting changes from a specific time. EXTSEQNO sequence-number Specifies the sequence number of the file in a trail in which to begin processing data. Specify the sequence number, but not any zeroes used for padding. For example, if the trail file is ggs/var/lib/...
在之前版本,如果要将sequence的值赋给变量,需要通过类似以下语句实现: select seq_x.next_val into v_x from dual; 在11g中,不需要这么麻烦了,下面语句就可以实现: v_x := seq_x.next_val; PLSQL_Warning 11g中。可以通过设置PLSQL_Warning=enable all,如果在"when others"没有错误爆...
We are using a variable width character set such as UTF8. Does the driver correct for the actual byte length of a sequence of characters? Yes. Except for the decision to switch to Clob for the largest strings which is made assuming the max size. ...
Remove unused sequence_name in sql_for_insert [#1861] Use squiggly heredoc to strip odd indentation in the executed SQL [#1869] Use Active Support String#squish instead of String#strip.gsub [#1871] CI Revert "Add allow_railures for jruby-head until #1833 resolved" [#1862] CI against JRu...
SCN usedtoreset session snapshot. FLASHBACK_TIMETimeusedtofind the closestcorrespondingSCN value.FULLExport entire database [N]. HELP Display Help messages [N]. INCLUDE Includespecificobject types.Forexample, INCLUDE=TABLE_DATA. JOB_NAME
If a logical replication slot fails to be created or does not exist due to a long transaction, you can reset the task and then restart it. Do not use foreign keys for tables during synchronization. Otherwise, the sequence of writing data to different tables may be inconsistent with that in...
This chapterexamines the mechanisms Oracle uses to create the linked liststhrough undo records and, most importantly, how the code locates the end pointsof those lists. --这一章主要看一下Oracle 创建和linked undo records,并且确认undorecords list的结束点。在前面的blog里提到Oracle 采用这种UNDO 机制...