PostgreSQL: Add Limit Parameter
In Oracle I can have an SQL string like this select * from table where rownum <= ? Then in an PreparedStatement I can set the rownum as a parameter. How does it work with Postgres JDBC (Java) with the…
MYSQL: Limiting number of results a MYSQL account can get
I want to make sure a specific MySQL account can't dump the whole database, or any table, in any way - be it using MYSQLDUMP or SELECT *, etc. I'd be happy to limit all queries from that account to…
MySQL Performace on pagination with limit
If going to some very end of the pages, it will still fully scan all the previous records (on Disk). One of the solution is to get the ID of the last previous record and then use where to filter…
Azure GraphServiceClient limits results to 100, how to get all (C# .NET Core)?
I am working on an Azure Function App. It needs to retrieve all groups in Exchange. I am using this simple C#, .NET Core code: GraphServiceClient graphClient; var groups = graphClient.Groups.GetAsync().Result; But, I only get 100 groups. How do I…
Javascript – Why does .limit() result empty array when using a query object as a parameter?
I am setting up a mongoose query where I would like to find specific records, mentioned in a custom queryObject. This queryObject contains the key-value pairs, if existent. So, if the res.query does not contain the e.g. limit, it is…
JQuery Deselect Checkbox once greater than max limit
So we have a group of checkboxes. There is a max limit of 3 that can be selected which is great. This is for a product designer I am working on so I can make custom orders for people. I…
Postgresql – Having limit [small value] issues with Postgres
Background I'm getting insanely slow queries when using small LIMIT clause values on a relatively simple query. I've already read and re-read PostgreSQL query very slow with limit 1. (not that I couldn't have missed anything, but it's related, and…
Add newlines to separate text & only hashtags that appear at end of string? #php
I've already tried a couple of regex but cannot fix this one: I need an enter line before the hashtags start (so there is some space). Example: It's essential to keep your pup cool in the summer months! Try to…
“How do I JOIN, THEN WHERE, THEN LIMIT/OFFSET in MySQL?”
my_tickets +-----------+---------+ | ticket_id | user_id | +-----------+---------+ | 186 | 2 | | 187 | 2 | | 188 | 2 | | 253 | 33 | | 254 | 33 | | 256 | 33 | | 261…
How many row should lock when using SELECT .. FOR UPDATE LIMIT 1 – Mysql
I have a simple table with an index on the count column | Counts | CREATE TABLE `Counts` ( `id` bigint NOT NULL, `count` int NOT NULL, PRIMARY KEY (`id`), KEY `count_i` (`count`) ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci | INSERT…