Category "inner-join"

Mysql Select INNER JOIN with order by very slow

I'm trying to speed up a mysql query. The Listings table has several million rows. If I don't sort them later I get the result in 0.1 seconds but once I sort it

Need to match ClockIn with Clock out, multiple clocks on same day SQL

I'm trying to get the clock in and clock out times to correspond to each other so that I can calculate hours worked/amount of breaks/time worked within working

SQL inner join performance data duplicate

table -- > qt qstnId tagId 1 1 1 2 2 3 2 4 2 2 table --> question qid 1 2 qid is primary key and qstnId is Fk now when i'm running query --> mysql&

Taking Second Value with Case When in Hana Tables Join Condition

I have event, cases and roads tables. I want to join these 3 tables but i have a problem because there is two different road_id which matched same firstpoint, l

Why does my table join return values I didn't specify?

I am attempting to join two tables to create a visualization that shows the relationship between weight, BMI, and total steps using the following code: SELECT

What is wrong with this inner join sql query

I want to export some data from the DB. Basically what I want to say is this: 1- Select mbr_name from the members table 2- Choose the ones that exist at the cou

Error: 'duplicate key value violates unique constraint' even when checking with 'where not in'

I get the error: 'duplicate key value violates unique constraint' even when checking if the primary key is already in the table in which I want to insert. I ha

Oracle DB SQL SELECT FROM a, b INNER JOIN c : is that possible?

I had a SQL SELECT dtl.ACCT_YM AS ACCT_YM, src.SRC_NAME AS SRC_NAME, ptnr.PTNR_NAME AS PTNR_NAME, info.P

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