Category "sql"

How to sort one column and then another within it in SQL? [duplicate]

I have this table state num ------------------------- ca 20 ny 30 ca 50 ca 10 ny 70 ny 90 What I want is to p

Update all affected rows with specific values on PostgreSQL

I have the simplified version of the table I have below. Each row has an item_order value partitioned by its parent_id. item_id item_name parent_id item_order

PostgreSQL Crosstab Query

Does any one know how to create crosstab queries in PostgreSQL? For example I have the following table: Section Status Count A Active 1 A

C# SQL query with user input

I tried to make software that could be use as a database for libraries so I started to learn SQL I alredy did way to save a book into the database but I am stuc

mysql null value case when is null does not work

I have following query to handle null value and flag those based on two table join however c.pure_proc_flag is null then 0 else 1 does not provide the result

Unpivot/Transpose in Presto SQL

I have a dynamic table in the format shown in the image (left hand side). A new month column will be added every month. How do I unpivot month in Presto? I can

insert the last 30 date in an oracle table

I need to create a table where we have one date column. I need to insert the date from yesterday to yesterday-30 days.Table output should look like this There

SQL Error when using Order By for SQL database query in PowerBI Desktop

Getting this error when using Get Data with PowerBI Desktop to connect to SQL database Microsoft SQL: The ORDER BY clause is invalid in views, inline functions,

Ms Access Date function not passing in LIKE query

I want to query records from the access database that matches the current date (system date) The following query works fine if I enter the date literally. SELEC

Create/Query different tables based on conditional statement in BQ SQL

To illustrate with an example, say I have two tables in BigQuery called "fruits" and "vegetables" respectively. I want to have a variable at the start that lets

Regular expression not working Sybase ASE 16.0

I am trying to retrieve IDs from a table in Sybase ASE 16.0 The query has to return IDs starting with AB or BC. Example AB0001 AB0002 BC0001 BC0002 The regular

PK on temp table failing

I have a trigger which declares a table variable. DECLARE @TREarn_aaa table ( aaaID bigint NOT NULL PRIMARY KEY, Bbb decimal (18, 8) NULL, Ccc dec

Is there any way to filter by the first child using SqlAlchemy?

I'm trying to find a way to filter by the attribute of the first row returned as children. class Parent(Base): __tablename__ = "parent_table" id = Colum

SQL query question, how to make a query that outputs all entries of two tables

I have two tables, CITIES and FLIGHTS: CITIES id name 1 New York 2 Paris 3 Tokyo 4 Amsterdam FLIGHTS id departure_id arrival_id 1 1 2 2 1 3 3 2 3 4 2 4 I ne

Finding duplicate values in multiple colums in a SQL table and count for chars

referring to this question: Finding duplicate values in multiple colums in a SQL table and count I have the following table structure: id name1 name2 name3 ...

Is there a faster way to find the order of a COLUMN?

My SQL Server table looks like this ID a_Toyota a_Mazda a_Nissan a_Kia a_Honda a_Subaru SoldCar CarOrder 1 8000 7000 6200

SQL question using PIVOT, no aggregation column

I would like to do a PIVOT on my table but I don't have aggregation column. SELECT CONVERT(date, DataHora) AS dia, CONVERT(VARCHAR(5), DataHora, 108) A

Inner join of an EXCEPT subquery on column names that do not appear in the output

I have a table of students and classes. I would like to find what classes were dropped from one semester to another (and a similar query for classes added). Stu

JSON with roots for every selected day

I am struggling with the problem with nesting root for every day (it's an element of my table). I'd like to get nested Key: value pair of day from table Day. He

Oracle SQL: dummy variable from 2 data sets

I have two data tables. They both have an employee id column and a sales quarter column, in addition to lots of other columns. The first, which ill call "Rost