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Why rownum equals 2 not work in oracle tables?
rownum returns the number to indicatin th sequence,it always returns sequentially no. 1,2,3 so when we fired query for row 1 select * from emp where rownum=1 then first it gets 1 and show the result. but,so when we fired query for row 2 select * from emp where rownum=2 then first it gets 1 and criteria is not match.
How do you delete alternate rows in sql?
delete from table_name where(rowid,0) in (select rowid,mod(rownum,2) from table_name) this is for alternate deleting even row delete from table_name where (rowid,1)in(select rowid,mod(rownum,2)from table_name)this is for alternate deleting odd row
Sample Sql query with explanation for selecting the alternate row from the table?
SELECT * FROM ( SELECT FirstName LastName FROM people ) @tempTable1 WHERE MOD(@temptable1.rn 2) 1 --even number query SELECT * FROM ( SELECT rownum rn firstname lastname FROM people ) @temptable1 WHERE MOD(@temptable1.rn 3) 0 but it is not working properly...can anubody tell me what is rownum here...
What is a small box or bar that is used to select an entire row?
It is often referred to as the row header or row heading or row number.
What information does the row number provide on the periodic table?
The row number describes the period. It signifies the number of shells.
What is row heading?
It is the number to the left of the row. For example, the first row heading is "1."
Will the row number on the periodic chart will be the same as the shell number?
True. Row number on the periodic chart will be the same as the shell number.
A row number to the left side of the grid that identifies each row?
the excel.it is a row heading
For a representative element the row number on the periodic chart will be the same as the shell number.?
True. Row number on the periodic chart will be the same as the shell number.
Find the range of stem-and-leaf plot?
highest row right side number put to the right of greatest number on the same row on the left= first #. Then get the bottom row right side number on the right of the lowest number on the left side of the same row. That is second # first number - second number= Range
What are the two parts of the cell identifier in excel?
The column reference, which is one or more letters and the row number. So C20 is column C, row 20. DG321 is column DG, row 321.The column reference, which is one or more letters and the row number. So C20 is column C, row 20. DG321 is column DG, row 321.The column reference, which is one or more letters and the row number. So C20 is column C, row 20. DG321 is column DG, row 321.The column reference, which is one or more letters and the row number. So C20 is column C, row 20. DG321 is column DG, row 321.The column reference, which is one or more letters and the row number. So C20 is column C, row 20. DG321 is column DG, row 321.The column reference, which is one or more letters and the row number. So C20 is column C, row 20. DG321 is column DG, row 321.The column reference, which is one or more letters and the row number. So C20 is column C, row 20. DG321 is column DG, row 321.The column reference, which is one or more letters and the row number. So C20 is column C, row 20. DG321 is column DG, row 321.The column reference, which is one or more letters and the row number. So C20 is column C, row 20. DG321 is column DG, row 321.The column reference, which is one or more letters and the row number. So C20 is column C, row 20. DG321 is column DG, row 321.The column reference, which is one or more letters and the row number. So C20 is column C, row 20. DG321 is column DG, row 321.
How does cells get their address?
It is based on the column and row the cell is in. First the column letter(s) and then the row number. So a cell in Column G, Row 498 for example, is cell G498.It is based on the column and row the cell is in. First the column letter(s) and then the row number. So a cell in Column G, Row 498 for example, is cell G498.It is based on the column and row the cell is in. First the column letter(s) and then the row number. So a cell in Column G, Row 498 for example, is cell G498.It is based on the column and row the cell is in. First the column letter(s) and then the row number. So a cell in Column G, Row 498 for example, is cell G498.It is based on the column and row the cell is in. First the column letter(s) and then the row number. So a cell in Column G, Row 498 for example, is cell G498.It is based on the column and row the cell is in. First the column letter(s) and then the row number. So a cell in Column G, Row 498 for example, is cell G498.It is based on the column and row the cell is in. First the column letter(s) and then the row number. So a cell in Column G, Row 498 for example, is cell G498.It is based on the column and row the cell is in. First the column letter(s) and then the row number. So a cell in Column G, Row 498 for example, is cell G498.It is based on the column and row the cell is in. First the column letter(s) and then the row number. So a cell in Column G, Row 498 for example, is cell G498.It is based on the column and row the cell is in. First the column letter(s) and then the row number. So a cell in Column G, Row 498 for example, is cell G498.It is based on the column and row the cell is in. First the column letter(s) and then the row number. So a cell in Column G, Row 498 for example, is cell G498.
