Category "sql"

Generate random pairs SQL

Suppose we have these two tables. TABLE1: |column_1 | ... | -------------------- | 'a' | ... | | 'b' | ... | | 'c' | ... | |

SQL Some vertical to horizontal field names/values

What I've read here doesn't quite answer what I'm trying to do. That's why I'm posting a request here and I'm confident to learn what I can do on this subject.

How to use group by function for more columns

I have used following query to get below output from my exisiting database. select date(RaisedTime) as date, object,User,Count(*) as total from table1 where obj

How to extract column names from SQL query using Python

I would like to extract the column names of a resulting table directly from the SQL statement: query = """ select sales.order_id as id, p.product_na

replacing null value

If i am using select coalesce(firstname, surname, petname) as column_name select isnull(firstname, surname) as column_name Where all return the first non-

How do I select floating-point infinity literals from a SQLite database?

I have a SQLite database with a table named measurements, which contains some experimental data measured by a power meter. They're stored as data type REAL in a

Userlogin time update

i have build a small website with a user login system. I want it so that when user logs in the 'UserThisLogin' value is being updated automatically but prior to

PowerApps filter returning incomplete data record...?

I have an Azure SQL database, and my records inside table Spiderfood_RITMData in that database includes 13 different fields. Lots of stuff. I have confirmed in

improve sql query with 2 EXISTS sub queries

I have this query (mysql): SELECT `budget_items`.* FROM `budget_items` WHERE (budget_category_id = 4 AND ((is_custom_for_family = 0)

SQL- all rows which are present in all years

I have the following columns in my DB Codes year | code | ---------------- 2009 | 10001 | 2009 | 10002 | 2009 | 10003 | 2010 | 10001 | 2010 | 1000

How to replace starting two digit (00) with blank space in T-SQL?

I have a table where as codes are present in the form of 78,7244,d345 by default few records are found where the codes are start with 0072 . I have to delete st

Datagridview Error After Rowfilter -> Data Update/Add and Fill Process

I have a datagridview which filled by SQL table. When I search a value with a textbox in the data and update/insert the some values and use fill function again

Joining MySQL table

in my database there are 2 tables : posts, room Posts tables include ID and Title columns and includes many rooms and hotels titles and IDs. In the room table t

Deadlock on Select from table-valued parameter

I have this piece of code which acquires connection from EF Core DB context and executes select on the received data. var conn = _dbContext.Database.GetDbConnec

LARAVEL: How to fetch id dynamically in a query builder?

I want to join multiple tables in laravel with query builder. My problem is that my code only works if I specify the id myself that I want like this: $datauser

Calculating the mode/median/most frequent observation in categorical variables in SQL impala

I would like to calculate the mode/median or better, most frequent observation of a categorical variable within my query. E.g, if the variable has the following

How to parse json data in a column with Druid SQL?

I'm trying to parse json data in a column with Druid SQL in Superset SQL lab. My table looks like this: id json_scores 0 {"foo": 20, "bar": 10} 1 {"foo": 30, "

How do I backup a database with a stored procedure in SQL?

I'm trying to create a stored procedure that backs up a database, however whenever I execute it, the folder I'm trying to backup to remains empty. Here is my st

How to update a value in column based on value from other table in SQL server?

I have two tables match_score and match_condition I want to update table match_condition and set values of innings, first_4, etc. Here's the example in which I

Get first day of sequence SQL

I would like to get first day of continuous date sequence. Query is valid for one month. I am using SQL Server 2014. Table example: Id | VechicleISO | RideISO |