Why do we use servers with MySql?
As far as I know, If I want to create a new database, normally fistly I have to create and switch on a server (in this case a local server in my computer), Secondly I connect my RDBMS (MySql) to…
How can i query the dates between 2 columns with same username in mysql
I have a mysql table which has 'username', 'acctstarttime' and 'acctstoptime'(and an 'id') datetime columns. I need to get records that its acctstarttime or acctstoptime between other 'acctstarttime' and 'acctstoptime' records with same username. For example 'John' has 3 records.…
MySQL: Unable to add an existing user to another Database?
I am trying to add an existing user to another database but I am keep getting the error: ERROR 1410 (42000): You are not allowed to create a user with GRANT I tried the following, none worked: GRANT ALL ON…
Syntax for extract in mysql
Is this the correct use of 'extract' in mysql? select count(user_id) from users where registration_date >= extract(week from now()); this query is to get the count of registrations in the current week Tried to replace postgreSQL's 'date_trunc' with 'extract'
How to add object in laravel relationships
How to add extra object in laravel relationship when fatch data. Here is my code: $list = new self; $list = $list->where('uuid', $uuid); $list = $list->where('user_id', $user->id)->orWhere('to_user_id', $user->id); $list = $list->with(['touser' => function($q1) { $q1 = $q1->select('id', 'name', 'email', 'user_image',…
When usage with Ansible Handlers – Mysql
having an ansible playbook that will run on all hosts including Debian based & RedHat based servers this will install mariadb on RHEL based servers only doing some configuration changes, start the service once the service started handlers are used…
How to Assign 0 if Calculated Value is <0 within CASE – Mysql
I have a MySQL table named users containing simple counts for all users. user_id counter1 counter2 1 0 5 2 1 6 3 2 7 4 3 8 I would like to run a single query that updates the counter1…
Why AND after a SET is not a syntax error in mysql?
I was surprised that this is not a syntax error: UPDATE mytable SET deleted = 1 AND name = 'Cindy' It doesn't affect the result of the command, is there any use of adding an AND after a SET? Or…
How to update only one attribute of Database using Hibernate… Since it assigns NULL values due to getters and setters? – Mysql
I am trying to update a row by using its primary key, the issue is that Hibernate updates entire row and since I have not passed values for any other attributes (For Ex : Attributes are empid, name salary and…
How to get the value of a different ID that is acquired during the SELECT statement? – Mysql
I have created an entity tblPerson and from this entity I need to get the bGroup of t.adminID and the bGroup from the d.personID. I have tried the below query but it's not returning anything. ` SELECT t.adminID, p.firstName, p.lastName,…