First of all, this here doesn’t solve my problem at all. I tried this too. I want generate random unique fake data (first name and address) I used the following SQL request: The result apparently looked like this (the addresses repeat themselves for the next name too): How do I make the first names AND addresses unique? Please note this
I am trying to get a random word from a long list of words in a MySql table: word_list [id*|wword]. My query looks at the moment like this: SELECT * FROM word_list w where id = (SELECT FLOOR(1 + RAND()*(10-1))) I thought the above query would return one and only one random row with Id between 1 and 9. To
I have a dataset looks like this and i need a query which returns 2 random values from where country in (‘a’, ‘c’): Answer This should work: Replace rand() with random() if you’re using Postgres or newid() in SQL Server.
I have a query that take a random sample of records. I want to do this multiple times and add each result into a dictionary, which I will concat into a pandas DataFrame later. This code only execute once even as it loops through. Answer cursor.fetchall() doesn’t execute the query, it just fetches the remaining results from the query that
My table looks like this: I have a list of id’s connected to datestamps. I can manage to calculate the difference between their latest and first entry as follows: However, I am unsure how I can update my table to reflect these calculations. What I want is the following: Answer In MySQL, you can self-join: I would not necessarily recommend
I am using the function below to generate a random number between 0 and 99999999999. However, I need to make sure that the returned number has never been used before in the same app. In .net I would create a while loop and keep looping until the returned value is not found in a table that stores previously used values.
Suppose I have a dataset like this I would like to randomly select, say, 3 values from the distinct ID values. One possibility is to get a table like this How shall I do that in Hive? Answer Here is one option using a join and rand(): The subquery randomly selects 3 ids, then the outer query brings all related
I have a 2 tables with the same structure: table1 id text var 1 “bla bla” 100 1 “blabla1” 30 2 “qweweqty” 0 2 etc… 7 3 3 1 .. 100 table2 id text …
I am still trying to finish fixing my details page and I need one more piece to fix it. I start with this query. NOTE:recordID actually comes in from the previous page by clicking an item. Also, name, img, item_code, and type_id are fields in my table not outside sources. Now, I have created this to determine how to display