I am trying to convert short date format to numeric date format in SQL. Here are the dates I am trying to convert: 16-Mar-20 18-Mar-20 12-Mar-20 I have seen many methods to re-format dates based on …
Tag: mysql
Prepared statement with some where condition in case of any value
I have prepared statement like select * from books where author = ? and theme = ? and i cant figure out what to do, if user select option “any author” or “any theme”, what should i set to prepared …
Mysql query per date and per group
I have an SQL query which counts user uptake (registrations) by day for a particular group of users. It also does a cumulative (running total) This query is using the audit table purely to get me a list of dates reliable even if there are no users created on every day, i know the audit table with have a recor…
How to fetch value from JSON document inside MySQL column?
I have written following MySQL Json Array query. The Mysql version is 8.0.18-commercial select r.network, s.server from table1 e inner join table2 s on e.objectId = s.envId inner …
MySQL Get Change From Cumulative Results in Consecutive Rows by Identifier
I am running MySQL Community Server version 8.0.19. I have been struggling with the following problem whilst working through publicly available COVID19 data. I am using a dataset that is both …
Laravel Dynamic DB Relation
I didn’t find any solution so i am asking it here.. The id of Team is related with teams in Match ,for this the solution is easy.. but The Problem is that one Match can have 3/4+ no of teams So i have to make it dynamic … Answer As Per @maki10 The working Solution Is
How to get row with max dot product using MemSQL
First of all, I’ll preface this by saying I have minimal experience with SQL. Anyways, I have a table in MemSQL of the following format: +—–+——–+———-+———-+ | id | uuid | …
Remove specific fields and show other fields in Mysql
I would like to ask for ways to solve this MySQL issue. Currently, I have this select query SELECT username, friend_username from friends WHERE (username = “apple” or friend_username = “apple”); …
SQL Multiple data input at the same time
there are 2 different queries below. How can I run them at the same time? I mean, these 2 data’s will be into on the same row. For example: https://prnt.sc/rtkytf Answer Doesn’t this do what you want? Otherwise, if you really want to insert four rows: The default value is often NULL (because no DE…
Multiple SELECT statements from different tables
I have two independent tables: ‘Clients’ and ‘Country’. Country Table: Clients Table I would like to add a new client into ‘Clients’ table but using the information from ‘Country’ table like this: I would like to have this INPUT: But if I run this query, it does…