I’m trying to import the Census Block GeoJSON file and unable to get “Coordinates” for each block along with it’s properties. I’m trying to get the ID, BlockGrp, Block.. and it’s associated coordinates. Below is my code, but I’m unable to get the coordinates since it&…
PostgreSql : Json Array to Rows using Lateral Join
I have two following JSON Array in details field of my table and need to evaluate the query as I use in another relational table. { “city”: “London”, “name”: “Sainburry”, “quantities”: […
How to make a button to jump into specified table row
I have code that generate a table from my database. The code is Now that code will give me a big table. Is there any way to make some link or button to make me jump onto a specific row in a table ? Because scrolling through the big table really not efficient Answer well, i found a simple solution
NEWID function causing error for prepared statement in MYSQL
I am trying to create a forgot password system, so I am using the NEWID() function to create a random code to be sent to the user’s email. I am using prepared statements to prevent SQL injections, but this still isn’t working: I am getting a warning on line two that the first parameter can’t…
Summing condition excludes rows without positive sum
I’m having a weird issue where in returning the sum of rows where a condition is true seems to only return rows if that condition is true – or at least, it is excluding a large majority of the rows that would otherwise be returned. Original query – which returns all rows: For each row that w…
Terse syntax to return an empty result set from SQL server
Is there a shorter way to write the following? The “original” question follows. This was was modified may times, explicitly in hopes of stopping Y responses as a result of showing a specific use-case; and [rightly] claimed to be a confusing mess. The use-case is a TSQL query that returns an empty …
Different conditions When Sum in same query
I have 6 querys that do the same but have differents conditions in WHERE statements. Is it possible to get all the criterias for each query and get 6 differents results? I think that I can use UNION ALL but the queries are so big. Below are the queries: query 1(Dv1) query 2(Dv2) query 3(Dv3) . . . query 6(Dv6…
Cannot figure out writing a compound SQLquery to the Oracle database
Please help me sort out the request: Develop a query to calculate the number of news, written by each author and the most popular tag, referred to author news. All these information must be output in one single result set. I wrote the first part of the request, it displays the amount of news for each author: …
How I can convert date to char and then ti number?
Please help to sole this task. I need convert date to char and then to number, so that i can perform arithmetic operation and divide the date by 2. This query doesn’t work and i have no idea how i can convert date to number. Answer Based on the understanding of the question I think you need the current …
Is it possible to create one index for both primary and foreign key?
Let’s suppose we have two tables A and B and between them one-to-one relation. B.ID key will be used as foreign key in tables about which A doesn’t know. When row is deleted from A there also will be deletion from other tables that are linked to B. As we see in B one column is at the same time