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Databases AllOther (288) how we can count records as a group of days like sum of records for(four mondays),(four tuesday)........ in a month. group the column for weekdays.
1 3958hi, how to match retrieve the unmatched records from 2 tables in which we dont have any primary key. example : table1 has 1,2,3,4,5 and table2 has 1,2,3,4,5,6,7,8,9,10 and i want the numbers from 6 to 10 to be displayed and should not come as null. i need the numbers. please reply as soon as possible.
4 8265hi, how to link a text file and a .rpt file in my tables of sql server and to retrieve those records for further use. reply me as soon as possible.
20821.can we set the more than 1 primary keys for a table? 2.please give me the difference between Cluster Index and non-Clustered Index 3.can we use query like this "Select * from Table1,Table2;"
8 9057type type_name is table of varchar2(30) index by binary_integer for the above type you have to create a identifier... like identifier_name type_name; for the above type you can use the below methods..like first , last , prior, next , delege..etc...like this.. if you create a cursor...like cursor cursor_name is select * from scott.emp; is there any methods like above to use prior, fist , last , next , trim ,etc...
1 7292what is the difference between varray and table data type..please expalain with some examples... under what situation you will go for varray..instead of index by table...
1 5279declare v_count number(8,3); v_sal scott.emp.sal%type := '&P_sal'; cursor cur_name is select sal from scott.emp where sal between (v_sal-100) and (v_sal +1000); begin v_count :=nvl(sql%rowcount ,0); if v_count = 0 then dbms_output.put_line('no records are fetch in the given sal range'); else dbms_output.put_line('There is/are '||to_char(v_count)|| ' salaries are selected in the given range '); end if; end; in the above programm .....for any sal range ....always it shows the following message.. no records are fetch in the given sal range please find the mistake and share with me...with thansk and regards..sarao....
3 8210
You get a call from you backup dba while you are on vacation. He has corrupted all of the control files while playing with the alter database backup controlfile command. What do you do?
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