I’m using Postgres 11 and trying to figure out if I can do this in a single query. Suppose I have two tables: When I join these tables by uuid, Event2 rows should be attributed to a particular Event1.id up to when a newer Event1.id is active. For example, if I have these rows: Event1: Event2: I would ge…
Tag: sql
SQLGroup with Distinct count
I have query Outcome Not sure why not group by range and expect results. Thank you. Answer I would suggest cross apply to define the alias: SQL Server doesn’t allow aliases as GROUP BY keys. I think defining the alias in the FROM clause is the simplest method; you could also use a CTE or subquery or rep…
How to access multiple variables outside foreach loop in php
I am not a php pro and have already explored different online search forums but could not find any suitable answer and that’s why posting my question here. Function One: Runs a query to database and define variables in foreach loop as follows: Function two: Now I want to get the values of those variable…
Combining 2 Tables in SQL and add a new column to a Table
I have 2 Tables. CustomerDetails table has columns ID, UUID, Name, Age. FavoriteCustomers table has columns ID, UUID CustomerDetails Table will have a lot of entries say 10000 rows. while FavoriteCustomers Table has very few entries. In CustomerDetails Table, ID and UUID form the combined unique ID. Now I wan…
How to exclude weekends and holidays dates and find an expected date in MySQL?
I am working on a task where I have 2 tables. i.e, tickets and holidays. Now I also have the number of days to complete the tickets. Now I need to find the expected date by excluding holidays(specified in the holidays table) and weekends. Now I can able to find a date using ticket created date and days to com…
How to join two tables by dependent match keys in BigQuery?
I have two tables in BigQuery First one is a list of rates. Rates have default values with source equal -1 for each combo code – offer. Apart from combo code – offer, some rates have specified source Second table has same columns as first table except rates + any other data. My goal join rates by …
Create XML from SQL select query
I am trying to create a xml from a SQL select, but I can not insert “:” (like cac:PartyTaxScheme), neither can put 2 data in one element, look element “cbc:CompanyID” (<cbc:CompanyID schemeName=”31″ schemeID=”0″ schemeAgencyID=”195″>900711000&l…
How Can My sqllite3 interaction be fixed?
I’m trying to get an admin account to edit a ‘rank’ (basically access level) for one of the profiles in my data-base. The error is: The code that seems to be the problem is: Originally, it was all on one line and it didn’t work, and now I’ve tried it on multiple lines and it stil…
Find a word from a string in SQL Server
I have some values into a table like below :- Bank Of America testBank Of America State Bank Of India ICICI Bank Test @Bank* I want a query to get all the values which contains Bank only. Proper word should match. Result should be like :- Bank Of America State Bank Of India ICICI Bank Answer One method is to
How do I make ORDER BY work when creating a procedure in MySQL?
I’m trying to create a procedure that inserts the data of a new lecturer, then shows the last 3 lecturers added. This is what my table (lecturers) looks like: And this is my attempt to create the procedure: Then I call the procedure with this data for example: However, ORDER BY does not seem to be doing…