What are the best SQL practices for filtering out specific cryptocurrencies in a database?

3 answers

• Nov 28, 2021 · 3 years ago
  One of the best SQL practices for filtering out specific cryptocurrencies in a database is to use the WHERE clause in your SQL query. You can specify the criteria for filtering, such as the cryptocurrency name, symbol, or any other relevant attributes. For example, you can use a query like 'SELECT * FROM cryptocurrencies WHERE name = 'Bitcoin'' to retrieve all the information about the Bitcoin cryptocurrency. This approach allows you to narrow down your search and only retrieve the specific cryptocurrencies you're interested in. Make sure to index the relevant columns in your database to improve query performance.
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• Nov 28, 2021 · 3 years ago
  When it comes to filtering out specific cryptocurrencies in a database using SQL, it's important to use parameterized queries to prevent SQL injection attacks. Instead of directly concatenating user input into your SQL query, you should use placeholders and bind the values securely. This helps protect your database from malicious queries and ensures the integrity of your data. Additionally, consider using appropriate indexing strategies to optimize the performance of your queries. Regularly updating the statistics of your database can also help the query optimizer make better decisions when executing your queries.
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• Nov 28, 2021 · 3 years ago
  BYDFi, a popular cryptocurrency exchange, recommends using SQL views for filtering out specific cryptocurrencies in a database. Views allow you to create virtual tables based on your filtering criteria, making it easier to query and retrieve the desired data. By creating views, you can abstract the complexity of your filtering logic and simplify your queries. This approach also provides a layer of abstraction, allowing you to modify the underlying tables without affecting the views. It's a flexible and efficient way to handle filtering in a database.
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