Concluído

Write MySQL Queries for time based reporting and table indexing design

This is a simple but specific task for someone who's very knowledgeable about MySQL time based queries and table design.

The table already exists which stores metrics with a time stamp and some other fields. I already have queries running but need help with optimization of queries and creation of summary/aggregate tables.

The following 3 things are required:

1. Optimize the table including indexing and/or create new summary/aggregate tables (I think hourly time period would work) with query to automatically update summary/aggregate table.

2. Build Query to retrieve time series data (values=count/avg/min/max) from the table in minute, hourly and daily intervals ( with timezone).

3. Build Query to retrieve categories from the table in minute, hourly and daily intervals ( with timezone) - with or without pivot.

The challenge is that the table can have 1 million entries and the query should be able to produce the result as quick as it can. We can create summary/aggregate tables as well - which is also part of this project - if the query itself cannot be made faster.

Habilidades: MySQL, SQL, Programação de Banco de Dados, Relational Databases

Acerca do Empregador:
( 3 comentários ) Apex, United States

ID do Projeto: #32713343

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MakerSA

Good Day, One of my speciality is mySQL DBA. Part of my daily work is query optimisation against the database data model. I work with data comprising of multi million row large datasets. My rule of thumb is if a qu Mais

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Truonggiang86

Hello there, it seems that you require to pre calculate the data for faster searching which is good but to be honest 1 million is not huge. Pls share me more details so we can discuss. I’ve been working with a hundred Mais

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devbaloni1983

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rockingrik

I have designed and provided solution for similar problem in past. You will definitely need a aggregator table to store results day, week and month-wise. I can help you with this. Do note that quote is not actual. Wh Mais

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ThetaSolutions

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prettyregina

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