Category "sql"

Oracle SQL Trigger: After Update, Insert Rows into Another Table

I am trying to write a trigger on one table that is triggered when the quantity in stock = 0. It will then add a row to another table with the product_id and st

How can I display the header of columns of all tables within a SCHEMA

I would like to list out all the tables and column headers within a SCHEMA to be displayed in Rows within MySQL, I can't seem to find an answer online and would

Change Two Rows Into Two Columns

Oracle newbie here just trying to learn something. I have a query that returns two rows per ID: SELECT B1_ALT_ID, B1_CHECKLIST_COMMENT FROM PERMIT WHERE (B1_CHE

Make a Report that Can Edit another Report in APEX

I have multiple report pages. I am working on a system that stores a lot of data. Is it possible to have reports that are able to have column edited on two diff

Transpose results of a sql query

How to transpose this display. SeqNo Step Date By 1 Quoted 2018-03-01 Person1 2 Checked 2018-03-02 Person2 3 A

How to find the number of rows for all views in a schema?

Sometimes I have access to schemas with hundreds of views (when using the Snowflake Data Marketplace). How can I find the number of rows for each of these views

Grouping ranges of data

I have segmented linear data to identify the minimum and maximum begin and end values of each range, now I want to consolidate overlapping ranges. This is easy

How can I write a case sensitive WHERE CLAUSE in SQL Server?

Ok, this one has me stumped. I'm hoping it's not something stupid/obvious... I'm trying to fix addresses in a client database. I have a function that takes a

How to delete a record from database where all fields are the same to another?

I have two only records in a database table and I want to delete only one of them. The problem is that I don't have any primary key nor unique identifier, so ho

Are nested SQL queries atomic?

I have some micro service (almost) system where each program has its own port. Moreover, not all ports in the system are available. For simplicity, I decided to

How to reuse a computed value multiple times?

Basically I just want a simple way of finding the most recent date in a table, saving it as a variable, and reusing that variable in the same query. Right now t

How to pivot between current day and previous days

I'm using Access SQL I have data that looks like this:- dealdate value 17-Apr-22 267 18-Apr-22 274 I'm trying to make the data look like this (there will only

How to re-run Diesel migrations?

I'm using Diesel with PostgreSQL. I added my migrations, and they worked fine, outputting everything in the schema.rs file. Until I noticed that I was missing t

Using Pivot to remove duplicated results adding new columns

I have the following table [_teste_calendario_Table] and when "Monstrengo" has the same value, I'd like to make a pivot, adding new columns "De1", "Ate1", "Ven

How to use Knex object in other file?

How do I use the knex db object inside other files? For Example my index.js const app = require("express")(); const cors = require("cors"); const bodyParser

How to use a temp sequence within a Postgresql function

I have some lines of SQL which will take a set of IDs from the same GROUP_ID that are not contiguous (ex. if some rows got deleted) and will make them contiguou

Visual Studio SSAS Tabular Model does not show existing connections

I'd like to write a SQL Query to extract data from a SQL Table into the SSAS Table. I do not have this option available, as normally I should go over 'Model' &g

'The variable name '@' has already been declared. Variable names must be unique within a query batch or stored procedure.'

string subject= "INSERT INTO Subjects (ThesisNo, [Subject]) VALUES (2, @subject)"; SqlCommand commandSubject = new SqlCommand(subject,con); string temp

How to update multiple comma seperated values in a single column in sql

Question on SQL Suppose there is a table.

SQL Query to find maximum, average, minimum of temperature

I was attending a question in hackerank advanced SQL certification, i came across a question like to find the maximum, minimum and average of temperature . i wr