You can use SQL to filter data based on specific criteria, such as time periods, geographic regions, or specific values
You can use SQL to filter data based on specific criteria, such as time periods, geographic regions, or specific values
Data retrieval and filtering:
Data retrieval and filtering:
You can use SQL functions like SUM, AVG, MIN, and MAX to aggregate data based on different criteria.
You can use SQL functions like SUM, AVG, MIN, and MAX to aggregate data based on different criteria.
Data aggregation
Data aggregation
Data cleaning
Data cleaning
Title 2
SQL can be used to clean and transform data by removing duplicates, null values, and other inconsistencies
SQL can be used to clean and transform data by removing duplicates, null values, and other inconsistencies
Data transformation
Data transformation
SQL can be used to transform data into different formats, such as converting dates into a specific format or changing the case of text values.
SQL can be used to transform data into different formats, such as converting dates into a specific format or changing the case of text values.
Data modeling:
Data modeling:
SQL can be used to create and modify data models, such as adding or removing tables, defining relationships between tables, and setting constraints on data.
SQL can be used to create and modify data models, such as adding or removing tables, defining relationships between tables, and setting constraints on data.
Data visualization
Data visualization
SQL can be used to generate data visualizations, such as charts and graphs, based on the results of a query
SQL can be used to generate data visualizations, such as charts and graphs, based on the results of a query
Data migration
Data migration
SQL can be used to migrate data from one database to another or from one application to another.
SQL can be used to migrate data from one database to another or from one application to another.
Data backup and recovery
Data backup and recovery
SQL can be used to create backups of databases and to recover data in case of a disaster or system failure.
SQL can be used to create backups of databases and to recover data in case of a disaster or system failure.
SQL can be used to optimize database performance by analyzing query execution plans and making changes to indexes, query structures, and other database objects.
SQL can be used to optimize database performance by analyzing query execution plans and making changes to indexes, query structures, and other database objects.
Performance tuning
Performance tuning
SQL can also be used to extract data from machine learning models and integrate it into other applications or systems.
SQL can also be used to extract data from machine learning models and integrate it into other applications or systems.
Machine learning and predictive analytics
Machine learning and predictive analytics
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