Is there a way to add ROW_NUMBER() simply based on the default row order without using OVER (ORDER BY …)? Answer There is no implicit ordering to rows in a table, it is a logical unordered set. however you can do row_number() over (order by (select null)) As suggested by Itzik Ben-Gan from his book on window functions.
Tag: sql-order-by
SQL Order By on multiple columns containing Nulls
I have a table containing multiple columns, and I want to order by three of the columns within the table. I want to order by lot, then unit, and lastly number. Lot and Unit can contain nulls (need them listed at the bottom) whereas Number column does not contain Null. I’ve tried a bunch of case statements but its not
ORDER BY DECODE: Decode won’t reorder the days like I want it to
I’ve got an assignment where I need to return a certain report and then order it by the day, but I need Monday to be day #1 (by default, Sunday is day #1 in SQL). Here’s my code for the report and the …
there is a way to order empty element like null element?
I need to order a column and there are a lot of elements null or empty.The problem is null element are ordered differente from null element The result about is that employees with name==null are the first position, after there are the elements with name!=null (are a real name) and at the end there are the elements with name empty.
Should the column used to order results be included in the index of a postgresql table?
I am creating indexes for a PostgreSQL database. I would like to know whether the column(s) used to order results in a PostgreSQL statement should be included in the index. Assume I have created a …
Calculate order sequence in BigQuery
I am new to BigQuery SQL and struggling with calculating an “order sequence” from a table of customer orders. In my example, I am working with customer purchases, where I have the sales …
SQL – ordering table by information from multiple tables
Title of the question may not have been very clear – I am not really sure how to name this question, but I hope that my explanation will make my problem clearer. I have 3 tables: [1] score id rating_type 1 UPVOTE 2 UPVOTE 3 DOWNVOTE 4 UPVOTE 5 DOWNVOTE 6 DOWNVOTE [2] post_score post_id score_id 1 1 1 2
mysql order by field row display even if empty
I’ve two tables( bom and bom_parts). Need to inner join and display stock_deduct,GRN_id,part_id fields. Table 1 (bom): Table 2 (bom_parts): MySql query: Query Result: Expected Result: Even if the part_id field is empty in this case 8, 6, I just want to display the part_id with the stock_deduct field as 1 in the result as mentioned below. Stock_deduct GRN_id part_id
SQLite – order by numbers inside string
its my first post here, so bear with me. I’m trying to order a query by numbers in a specific row that contain letters, using SQLite. Example: “Winter 1993”. I want to be able to sort by the …
MySQL: Select penult values
There are 2 tables: table1: id |phone| order| —|—–|——| 1 | 122 | 6 | 2 | 122 | 4 | 3 | 122 | 3 | 4 | 123 | 6 | 5 | 123 | 5 | 6 | 123 | 3 | 7 | 124 | 6 |…