Lab Sql

This issue is related to question I asked here. I have a table that looks like this: Item Count … Read more Partitioning By Counts In Sql

This question is related to a previous question that I asked: Using JSON in d3v4 stacked bar chart.… Read more Converting Data Structure Of A Json Array For Stacked Bar Chart

I'm trying to do something usually simple with SQL (with foreign key in the same table for exam… Read more How To Build A Recursive Structure With Mongodb

It is written everywhere that data in SQL Server is written in pages of 8K (8192 B) each with 8060 … Read more 8078 Bytes In 8060 B Datapage (sql Server)?

Im working on a website that processes statistics, for a sporting competition. I.E my site will let… Read more Need Help Creating Structure To Database

SQL Server developers consider Cursors a bad practise , except under some circumstances. They belie… Read more What Is Wrong With Cursors?

I need to store a large table (several millions or rows) that contains a large number of user-defin… Read more Implementing And Indexing User Defined Fields In An Sql Db

I'm not really sure how to phrase this question, so please redirect me if there is a better pla… Read more Manipulating A Data Structure In Pig/hive

I have the following data structure already in the system. ItemDetails: ID Name -------- 1 XXX 2 … Read more Data Structure For Many To Many Hierarchies In Sql Server

I have 2 tables in the DB: Table1 Table1_Temp The Table1_Temp was generated from a CSV. it is almo… Read more Copy A Table To Another Table With Different Structure

I will simplify my problem to make the core issue clear: I have a query that does TableA INNER JOIN… Read more Optimal Way To Fill In Missing Values After A Left Join?

Im working on a website that processes statistics, for a sporting competition. I.E my site will let… Read more Need Help Creating Structure To Database