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Please enable JavaScript in your browser settings or update your browser.Challenge: Average price for each model and year | Practicing
SQL Basics
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Contenido del Curso

SQL Basics

SQL Basics

1. Selecting
The very first meet with the databaseSELECTing certain columnsLIMITing resultsUnique values from columnUnique values from multiple columnsHow many?How many unique?AliasesTables aliases
2. Filtering
Word filteringNumber filteringCombining conditionsFiltering by numeric intervalMultiple filtering on one columnLIKE filteringNOT like this!
3. Aggregating
MINimal and MAXimal valuesSUMming valuesMean valuesROUNDing
4. Sorting
Sorting by one columnSorting in DESCending orderThe cheapest carSorting by multiple columns
5. Grouping
What is grouping?More aggregate statistics!Grouping by multiple columnsThe cheapest combinationHAVING some conditionsLeast consuming carsFiltering group size
6. Practicing
Challenge: Unique combinationsChallenge: Average Q-series cars priceChallenge: The cheapest new A-series carsChallenge: Relation between engine size and fuel consumptionChallenge: Mileage and manufacture year - is there relation?Challenge: Average price for each model and yearChallenge: The most expensive transmission + engine size combinations

Challenge: Average price for each model and year

Tarea

From the audi_cars table calculate the average price for each combination of model and year. Round average price to 0 decimals (so make it integer). Sort values by year.

Tarea

From the audi_cars table calculate the average price for each combination of model and year. Round average price to 0 decimals (so make it integer). Sort values by year.

Cambia al escritorio para practicar en el mundo realContinúe desde donde se encuentra utilizando una de las siguientes opciones

¿Todo estuvo claro?

Sección 6. Capítulo 6
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Challenge: Average price for each model and year

Tarea

From the audi_cars table calculate the average price for each combination of model and year. Round average price to 0 decimals (so make it integer). Sort values by year.

Tarea

From the audi_cars table calculate the average price for each combination of model and year. Round average price to 0 decimals (so make it integer). Sort values by year.

Cambia al escritorio para practicar en el mundo realContinúe desde donde se encuentra utilizando una de las siguientes opciones

¿Todo estuvo claro?

Sección 6. Capítulo 6
toggle bottom row

Challenge: Average price for each model and year

Tarea

From the audi_cars table calculate the average price for each combination of model and year. Round average price to 0 decimals (so make it integer). Sort values by year.

Tarea

From the audi_cars table calculate the average price for each combination of model and year. Round average price to 0 decimals (so make it integer). Sort values by year.

Cambia al escritorio para practicar en el mundo realContinúe desde donde se encuentra utilizando una de las siguientes opciones

¿Todo estuvo claro?

Tarea

From the audi_cars table calculate the average price for each combination of model and year. Round average price to 0 decimals (so make it integer). Sort values by year.

Cambia al escritorio para practicar en el mundo realContinúe desde donde se encuentra utilizando una de las siguientes opciones
Sección 6. Capítulo 6
Cambia al escritorio para practicar en el mundo realContinúe desde donde se encuentra utilizando una de las siguientes opciones
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