How can we extract alternate rows from a table?
How to get the alternate rows or records from table in sql server
- ;WITH PRS (Name, Gender, R)
- SELECT NAME, GENDER, ROW_NUMBER() OVER(PARTITION BY GENDER ORDER BY GENDER) AS R.
- FROM #PERSON.
- SELECT NAME, GENDER FROM PRS ORDER BY R, GENDER DESC.
How can I get next row data in SQL?
SQL Server LEAD() is a window function that provides access to a row at a specified physical offset which follows the current row. For example, by using the LEAD() function, from the current row, you can access data of the next row, or the row after the next row, and so on.
How can I get second row in SQL query?
Select top 2 [id] from table Order by [id] desc should give you want you the latest two rows added. However, you will have to pay particular attention to the order by clause as that will determine the 1st and 2nd row returned. You could get two different rows.
How can I get alternate records from a table in MySQL?
MySQL MOD() method returns the remainder of a number divided by another number. So for getting alternate rows, we can divide the ID with 2 and displays only those having remainder 1.
What is current row in SQL?
CURRENT ROW …” includes all rows that have the same values in the ORDER BY expression as the current row. For example, ROWS BETWEEN 2 PRECEDING AND CURRENT ROW means that the window of rows that the function operates on is three rows in size, starting with 2 rows preceding until and including the current row.
How do I find previous rows in MySQL?
You can use UNION to get the previous and next record in MySQL. Insert some records in the table using insert command. Display all records from the table using select statement.
What does lead () do in SQL?
LEAD() : Function provides access to a row at a set physical offset following this row. LEAD() function will allows to access data of the following row, or the row after the subsequent row, and continue on. The return_value of the subsequent row supported a specified offset.
How do you find the third highest salary?
To Find the Third Highest Salary Using a Sub-Query,
- SELECT TOP 1 SALARY.
- FROM (
- SELECT DISTINCT TOP 3 SALARY.
- FROM tbl_Employees.
- ORDER BY SALARY DESC.
- ) RESULT.
- ORDER BY SALARY.
What is offset in SQL query?
SQL | OFFSET-FETCH Clause
- The OFFSET argument is used to identify the starting point to return rows from a result set. Basically, it exclude the first set of records. Note:
- The FETCH argument is used to return a set of number of rows. FETCH can’t be used itself, it is used in conjuction with OFFSET. Syntax:
How do I select Rownum in SQL?
You can use ROWNUM to limit the number of rows returned by a query, as in this example: SELECT * FROM employees WHERE ROWNUM < 10; If an ORDER BY clause follows ROWNUM in the same query, then the rows will be reordered by the ORDER BY clause.