Identifying duplicate rows It is possible to determine duplicate rows using the select with a count of all the rows which have the same values in the 'unique' fields as follows : select a,b,count(*) from test group by a,b having count(*) > 1; The above script will produce an output...
Finding duplicate rows using the aggregate function# To find duplicate rows from thefruitstable, you first list the fruit name and color columns in bothSELECTandGROUP BYclauses. Then you count the number of appearances each combination appears with theCOUNT(*)function as shown below: SELECTfruit_...
17 How to find the tablespace of a table? SELECT tablespace_name FROM all_tables WHERE table_name = 'YOURTABLENAME'; 18 How to remove duplicate rows from a table If the unique/primary keys can be identified from the table, it is easier to remove the records from the table using the f...
insert into TEST (MC) values ('The final test is is is how to find duplicate words.'); commit; select 1,'^[:digit:]',mc from test where regexp_like(mc,'^[:digit:]') --以':digit'中的任何一个字符开头的字符串 union select 2,'[^[:digit:]]',mc from test where regexp_like...
insert into TEST (MC) values ('The final test is is is how to find duplicate words.'); commit; select 1,'^[:digit:]',mc from test where regexp_like(mc,'^[:digit:]')--以':digit'中的任何一个字符开头的字符串 union select 2,'[^[:digit:]]',mc from test where regexp_like(...
insert into TEST (MC) values ('The final test is is is how to find duplicate words.'); commit; select 1,'^[:digit:]',mc from test where regexp_like(mc,'^[:digit:]')--以':digit'中的任何一个字符开头的字符串 union select 2,'[^[:digit:]]',mc from test where regexp_like(...
II 13384122 11.2.0.4, 12.1.0.1 Wrong Results (Duplicate rows) with OR-expansion and missing “order by” – 13368545 11.2.0.4, 12.1.0.1 Wrong results from Nth_Value window function when N is variable I 13358781 11.2.0.2.BP16, 11.2.0.3.4, 11.2.0.3.BP04, 11.2.0.4, 12.1.0.1 dba_hist_...
28834484 INTERACTIVE GRID CAN SHOW DUPLICATE ROWS AFTER WINDOW RESIZE AND SCROLL 29530019 INTERACTIVE GRID INTERNET EXPLORER 11 DEFAULT COLUMN WIDTH IS TOO SMALL 30216167 APEX_IR.GET_REPORT API CRASH WHEN BIND_VARIABLE OF THE IR HAS OVER 30 CHAR 30312414 DISABLE APEX COOKIE USED TO REMEMBER USERNAM...
find help ls lsct lsdg mkalias mkdir pwd rm rmalias ASMCMD> ls DATA/ FRA/ --这个是我们的两个磁盘组 ASMCMD> cd DATA ASMCMD> ls DAVE/ DB_UNKNOWN/ RAC/ --每个实例都对应一个目录,如果我们在创建参数的时候,没有这个目录,可以手工的先创建一下这个目录 ...
Form with foreign key reference - The base table (or view) of the form contains a foreign key reference to a combinations table that contains the actual flexfield segment columns. You create a form with a foreign key reference if you want to use your form to manipulate rows containing combi...