ORA-00604 error occurred at recursive SQL level stringCause:An error occurred while processing a recursive SQL statement (a statement applying to internal dictionary tables).Action:If the situation described in the next error on the stack can be
ORA-00922 missing or invalid option 0RA-00922: 丟失或者無效的選項Cause An invalid option was specified in defining a column or storage clause. The valid option in specifying a column is NOT NULL to specify that the column cannot contain any NULL values. Only
剛到酒店,就接到客戶電話說某資料庫的一個資料檔案報IO錯誤,通過vpn查看發現如下:Sun Oct 30 23:19:27 BEIST 2016Trace dumping is performing id=[cdmp_20161030231927]Sun Oct 30 23:19:27 BEIST 2016Errors in file /oracle/app/10.2/admin/xxxx/bdump/xxxx2_smon_11863216.trc:ORA-00376: file 595
一、查詢最近執行過的SQL語句select sql_text,last_load_time from v$sql order by last_load_time desc; SELECT sql_text, last_load_time FROM v$sql WHERE last_load_time IS NOT NULL and sql_text like 'select%' ORDER BY last_load_time DESC; SELECT&
ORDER BY非穩定的排序提一個問題: oracle在order by 排序時,是穩定排序演算法嗎? 發現用一個type進行排序後,做分頁查詢,第一頁的資料和第二頁的資料有重複 懷疑是order by 時,兩次排列的順序不一致看到業務描述的問題可以得到的結論order by排序不穩定,還有第一個印象就是,type肯定是不唯一的,並且沒有索引吧。這裡先科普下排序的穩定性,舉個最簡單的例子,1,2,3,1,4,5 排序
You perform a Flashback Query by using a SELECT statementwith an AS OF clause.You use a flashback query to restrieve data as it existed at some time in the past.The query explicitly references a past time by menasof timestamp or SCN.It returns
Oracle中查詢某個表的總欄位數,要用SQL語句,或者在PL/SQL裡面複製代碼 代碼如下:select count(column_name) from user_tab_columns where table_name='T_B_AUDITOR'能夠查出來指定的那張表的欄位數。下面是通過大致查看:select tname,count(*) from col group
去除換行update zhzl_address t set t.add_administration_num=replace(t.add_administration_num,chr(10),'');去掉斷行符號update zhzl_address t set t.add_administration_num=replace(t.add_administration_num,chr(13),'');去掉空格update zhzl_address t set