Consider the following, minimal example: SQL> select key1, key2, key3, hour from teste_jm; KEY1 KEY2 KEY3 HOUR ———- ———- ———- —– 26 992296089 …
Merging tables in Google BigQuery with UNION ALL
I would like to do something like this in BQ. The tables have different schemas. Any ideas how to achieve this? SELECT YYYYMMDDHH, CONTAINER, Parent_Container, PROTOTYPE_ID, Withdrawal_this_hour FROM …
ssrs error converting data type nvarchar to int
I passed this stored procedure into ssrs to generate a report but kept getting error converting data type nvarchar to int, while i don’t even have any parameter that’s nvarchar type. end Answer I definitely would not write it off as just random, you don’t want this popping back up when certa…
Optimize MySQL InnoDB query for max, count
I have an MySQL InnoDB table with 5.7M rows and 1.9GB size: +——————-+———+——+—–+———+—————-+ | Field | Type | Null | Key | Default | Extra …
Is there a function in sql server “isEmpty” return data if the select return empty result set
I have a table like this EmpId No_of_days 1 24 2 28 6 24 7 30 8 10 9 15 when I write a select statement SELECT No_of_days FROM _table WHERE EmpId = …
sql track changed values
I’m trying to find out what values user changes the most. I have a user table like this: This is a User Table where entries not get changed. If a user changes something, it creates a new record to …
Query slow when use count(*) and inner join
My query is taking around 5 seconds to run. It returns almost 5000 records. If I remove the Select Count(*) …, it runs very fast, but I need this data. Is there a way to improve this query? Thanks Answer Indexes recommended by Gordon Linoff are a must-have. Another thing you could to is move the computa…
Without using aggregate function can we do pivot in sql
SELECT ‘CFS to Zero’ Location, [0],[1],[2],[3],[4],[5],[6],[7],[8],[9],[10],[11],[12], [13],[14],[15],[16],[17],[18],[19],[20],[21],[22],[23] FROM (SELECT …
Use a boolean function to determine the results in Laravel query builder
I have shops that open at a specific time and close at a specific time and I want to filter these stores according to a time period specified by the user so that all the returned shops will be available (opened) at any moment within filtering interval The shop opens at 10 pm and closes at 2 pm, I mean
How do I make a foreign key reference to a specific cell when the primary key is known in sql?
I’ve been searching and tackling this for hours and I’m sure there’s a super easy way to do this. I have two tables: CREATE TABLE Students ( idnr NUMERIC(10) PRIMARY KEY, name …