How do I return only one row in SQL?

While the table name is selected type CTRL + 3 and you will notice that the query will run and will return a single row as a resultset. Now developer just has to select the table name and click on CTRL + 3 or your preferred shortcut key and you will be able to see a single row from your table.

How do I get only one row in DB2?

Use FETCH FIRST n ROWS ONLY clause to limit the number of rows in the result table to n rows. FETCH FIRST n ROWS ONLY has the following benefits: When you use FETCH statements to retrieve data from a result table, the fetch clause causes Db2 to retrieve only the number of rows that you need.

How to fetch first row of table in SQL?

SQL TOP, LIMIT, FETCH FIRST or ROWNUM Clause

1. SQL Server / MS Access Syntax: SELECT TOP number|percent column_name(s) FROM table_name.
2. MySQL Syntax: SELECT column_name(s) FROM table_name.
3. Oracle 12 Syntax: SELECT column_name(s)
4. Older Oracle Syntax: SELECT column_name(s)
5. Older Oracle Syntax (with ORDER BY): SELECT *

How do I limit rows in DB2?

The LIMIT clause allows you to limit the number of rows returned by the query. The LIMIT clause is an extension of the SELECT statement that has the following syntax: SELECT select_list FROM table_name ORDER BY sort_expression LIMIT n [OFFSET m];

Which is the row number function in DB2?

The Db2 ROW_NUMBER () is a window function that assigns each row in a result set a unique sequential integer. The first sequential number is one assigned to the first row. Here is the syntax of the ROW_NUMBER () function: ROW_NUMBER () OVER ([partition_clause] order_by_clause)

How does the limit clause work in DB2?

Introduction to Db2 LIMIT clause. The LIMIT clause allows you to limit the number of rows returned by the query. The LIMIT clause is an extension of the SELECT statement that has the following syntax:

What to do with row number in SQL?

Just adding a consecutive number to each row can have its uses, but typically you’ll require more of the functionality provided by ROW_NUMBER. You may have noticed that in our query above, ROW_NUMBER () is followed by an empty OVER () function call.

How to sort rows in ascending order in DB2?

The order_by_clause sorts rows in ascending order ( ASC) by default if you don’t specify either ASC or DESC. To specify the order of NULL values, you use NULLS FIRST or NULLS LAST option. The NULLS FIRST places the NULL values before other non-NULL values while the NULLS LAST places the NULL values after other non-NULL values.