Jan 19, 2012 · we have 3 choices to get the first row in Oracle DB table. 1) select * from table_name where rownum= 1 is the best way . 2) select * from table_name where id = ( select min(id) from table_name) 3) select * from (select * from table_name order by id) where rownum = 1

MySQL supports the LIMIT clause to select a limited number of records, while Oracle uses FETCH FIRST n ROWS ONLY and ROWNUM.

If you always expect zero or one row then you can use a group function i.e.: select dump(max(dummy)) from dual where dummy = 'Not Found' You will always get at least one row and a value of NULL in the case where the record is not found.

Jul 30, 2015 · Executing both queries together, opens up two separate query result windows, each with respective results. So executing the query you put up in the answer, would pop two query result tabs first tab containing rows of table1 and second tab with rows of table2.

Jan 8, 2007 · I am trying to select rows from a table which has only 1 occurrence of the surname. Example of rows in my table. It has 3 columns, SURNAME, CLIENT_ID, SECTOR SURNAME CLIENT_...

Jun 2, 2015 · A colleague recently posed me the following question: I want to find a row matching a string and the N (non-matching) rows either side of it, ordered by primary key. How can I do this using SQL? It's an interesting problem. Let's look at how you do in this in a single, efficient select statement. Wh...

Dec 31, 2023 · To select just one row in Oracle by row ID, you can use the following code: FROM your_table. WHERE rowid = 'insert_row_id_here'; Replace 'your_table' with the table name you want to select from, and 'insert_row_id_here' with the actual row ID value. This query will return all columns of the row with the specified row ID.

Apr 11, 2017 · I have a requirement where i need to fetch only one record for the id provided. If the id is present in the table it will fetch that particular record and if it is not present , it will fetch the NULL valued record

Feb 12, 2018 · I am currently using SQL developer to look through a table in a database that has many columns. It would be ideal if in the single record view to have the column names sorted? I have been unable to find any option to achieve this.

Or (if batch_number can reliably be used to fetch the 2 rows needed to make a single row: select yt1.demand_id, yt1.debit_status, yt2.customer from yourtable yt1, yourtable yt2 where yt1.demand_id = yt2.demand_id and yt1.batch_number = 1 and yt2.batch_number = 2;