My code is this but gives error, don’t know why. Please help! Answer If you just want the city with the shortest name, you can simply order by and limit: This returns just one row. On the other hand, if you want to allow bottom ties, then you can filter with a subquery, like so:
how may I concatenate the columns in this script in MySQL?
Below is a SQL query that i am using to concatenate columns in SQL Server. How may I concatenate the same in MySQL? Answer The equivalent function in MySQL is group_concat(): The default separate is a comma, so there is no need to explicitly provide it.
Join on same column multiple times
how do I join on the same column multiple times, one of the tables is a configuration table with values and other is the data table. T1: T2 (Config table): I need to display the code and its relevant description for each ID. Expected Output: This is what I have tried so far, however, it is not giving me the
Calculated query with parameters in HANA/CrystalReports
I’m having trouble trying to explain my necessity, so I’ll describe the scenario. Scenario: Product A has a maximum production of 125KG at a time. The operator received a production order of 1027,5KG of product A. The operator have to calculate how many rounds he’ll have to manufacture and adjust the components quantity for each round. We want to create
postgres insert using CTE and use the inersted id in next sub query
I insert a user into the database. Then I need the user id generated to insert into a teamMember table. I am using CTE’s, I read they run concurrently, is it possible to return the id of the inserted users to the next statement? Answer You don’t need the left join on users since do_insert is the same table but
Set row number for batch of N rows per category
I have table I want to create a another column in which i have to put row number. Logic : For 3 rows, it should be same and change to next value for 4th row. And Whenever the PHASE is changing, it should go to next number even if the set of 3 is not complete for the previous number.
Get a group of records by last unknown id
I have a log table where I want to select the entries for a specific group of records that are grouped by an id I don’t know. See the table below, there are more columns but these are not relevant for the question. I want to get the last entries of one process for one device When I query something
Using Case WHEN to extract with first character
I am using case as an if else statement in my hive database, it seems it is not showing what i am trying to extract as. i am using this script in logical concept if at character 44 starts with _ , substring at 45 , else substring at 45 e.g (table look like ) am i using like statement
Split String using SQL’s REGEXP_SUBSTR
I need to split a string like this (NUL) means a character with ASCII value 0. Don’t know how to type it here. I need to split this when (NUL)~ occurs. So the expected result after split is RANDOM(NUL)THIS_SHOULD_BE_SPLIT THIS_IS_NEW(NUL)STRING THIS_IS_ANOTHER_STRING(NUL) Using OracleDB not sure how it handles NULL characters and if it is possible to split it. To split
SYNTAX ERROR:GROUP BY clause cannot contain aggregations or window functions
select json_extract(other_detail,’$.is_substitute_allowed’) as substitute, count(date(order_date)) as order_date from prescription_metrics group by 1; I am unable to group by over the …