I have a table which is storing the attendance information on an employee and another table that’s storing the information about the shift of the employee which is basically a duty roster. Here is …
SQL Select row with max value in one column
I have the following query SELECT Dnumber, SUM(WORKS_ON.Hours) AS sum_hours FROM DEPARTMENT JOIN PROJECT ON DEPARTMENT.Dnumber = PROJECT.Dnum JOIN WORKS_ON ON PROJECT.Pnumber = WORKS_ON.Pno …
TIMESTAMPDIFF from particular timezone
I can get the timezone offset from the database time to UTC (0) using the following: SELECT TIMESTAMPDIFF(HOUR, UTC_TIMESTAMP(), NOW()); How would I get the number of hours offset from UTC to a …
POSTGRESQL: Group the values as ARRAY of ARRAYS
Below is my input table of data Input : System NameYear Quarter Value 1 Value 2 1 2019 Q1 AB CD 1 2019 …
Using SQL table structure for points scoring
I am currently playing in a Fantasy Football league and I’m attempting to use some stats to make some informed decisions for my team. At the moment, I have a table with some historical player …
Create table with composite attribute/columns in sqlite3
I have to create a Table in the SQLite database, however, I am unable to find the syntax where I can define composite attribute/columns while creating the table.In this ER diagram, I have a composite attribute as a DateOfPurchase of the Bicycle So could some please help me with this, Thanks in advance. Answer…
Trouble inserting value into a TEXT column with Postgres
I am getting an error when I try to insert an alphanumeric value into a TEXT column in a Postgres DB. This is the table definition ]1 This is the query I am using to insert data into the table This is the error message I get ERROR: syntax error at or near “a0032000947363339343638” LINE 12: 55.2047…
Build combined table from 2 uneven tables
I have 2 uneven tables which I am trying to build into 1 table, each table has a date and ID to join with, the issue is that sometime 1 table can have rows with no matching date in 2nd table Initially table 2 seemed to always have an entry for table 1 so I was doing a left join
Write a select query that displays “id” if a different “id” has same “panum”
The question i need to answer: “Display a list of academics that have collaborated with another academic on more than one paper. List individual pairs of academics on each line. List only their academic numbers. Do not list duplicate pairs. (e.g 56,113 and 113,56 are duplicate pairs)” So far iv be…
how i can make left join work only when the number of records in the first table more or equal the number of records in the second table?
I have two tables and I want do left join between them, but I want the left join to happen only if the count of records that contain the same value of join column in the first table is more or equal the count of records that contain the same value of join column in the second table what I