I was wondering which approach is better when making a database (ie for a messaging app). Lets say that there is a table with all the messages. is it better to either: Have one large table for all …
Tag: mysql
Mysql Procedure Syntax change to Firebird Procedure Syntax
I don’t know what’s different about the stored procedure of firebird syntax. MySql Procedure: How can I change this one syntax for Firebird stored procedure? Answer The equivalent in Firebird PSQL syntax would be simple assignment, so GEN_EXCEPTION_FROM = PSHIFTDTEFROM; See also Assignment Statements in the Firebird Language Reference. The full equivalent of the fragment shown in your question would
Sorting a table result based on a column but without it’s natural ordering?
I want to order the employees based on their designation; i.e Not the natural order of the job_name (Alphabetical) but in the following order President -> Manager -> Clerk -> Salesman. I was …
Spark SQL Partition By, Window, Order By, Count
Say I have a dataframe containing magazine subscription information: subscription_id user_id created_at expiration_date 12384 1 2018-08-10 2018-12-10 …
SQL procedure for inserting records in a table based on records in another table
I have a FormTable | FormId | FormName | ParentLawId | StartDate | Frequency | |——–|———-|————-|————|———–| | 1 | FormA | 21 | 2017-11-06 | Monthly …
SQL Order by 2 conditions
Let’s say that I have a database, that looks like that: price date hour 12.00 2018-12-11 5 13.00 2018-12-04 2 14.00 2018-12-06 1 15.00 2018-12-11 1 16.00 2018-…
What is the best way to combine these two queries
I keep getting mysql errors when I try to write joins or unions combining these two queries. field1A and field1B are the conditions I am trying to count. SELECT count(*) FROM `table1` c1 LEFT …
NodeJS MySQL apostrophe reduplication with INSERT query
I’m doing my project Nodejs and MySQL and I have some problem with query with apostrophe. I got all of the data from github api and it normally works fine. but If data have single apostrophe(‘), it …
Mysql query for finding followers and following
Here are the two tables: 1.user user_id | full_name | username 1 A A_1 2 B B_2 3 C C_3 4 D D_4 …
Java sort list alphabeticaly with value “Other” at the end
I got a small Spring Boot application that manages some projects and clients. A client has a country ( which is an entity) and I want to let the user when he wants to create/update his clients to …