What are the alternatives to using 'not equal to' in SQL when querying cryptocurrency data?

4 answers

• Dec 18, 2021 · 3 years ago
  Sure, there are a few alternatives you can use in SQL to exclude certain values from your query results. One option is to use the 'NOT IN' operator, which allows you to specify a list of values that you want to exclude. For example, if you want to exclude the values 'BTC' and 'ETH' from your results, you can use the following query: SELECT * FROM cryptocurrency_data WHERE currency NOT IN ('BTC', 'ETH'). Another option is to use the 'EXCEPT' operator, which allows you to subtract the results of one query from another. This can be useful if you have a separate query that retrieves the values you want to exclude. For example, if you have a query that retrieves all the currencies you want to exclude, you can use the following query to exclude them from your main query: SELECT * FROM cryptocurrency_data EXCEPT SELECT * FROM excluded_currencies.
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• Dec 18, 2021 · 3 years ago
  No worries, mate! If you don't want to use the 'not equal to' operator in your SQL query for excluding values, you can try using the '!=', '<>', or 'NOT' operator. These operators can achieve the same result as the 'not equal to' operator. For example, instead of using 'currency != 'BTC'', you can use 'currency <> 'BTC'' or 'NOT currency = 'BTC''. These alternatives will exclude the 'BTC' value from your query results.
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• Dec 18, 2021 · 3 years ago
  Well, when it comes to querying cryptocurrency data using SQL, there are a few alternatives to using the 'not equal to' operator. One option is to use the 'IS NOT' operator along with the 'NULL' keyword. This allows you to exclude NULL values from your query results. For example, if you want to exclude rows where the currency value is NULL, you can use the following query: SELECT * FROM cryptocurrency_data WHERE currency IS NOT NULL. Another option is to use the 'NOT LIKE' operator along with a wildcard character. This allows you to exclude rows that match a certain pattern. For example, if you want to exclude rows where the currency value starts with 'BTC', you can use the following query: SELECT * FROM cryptocurrency_data WHERE currency NOT LIKE 'BTC%'. Hope these alternatives help you in your query!
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• Dec 18, 2021 · 3 years ago
  BYDFi, a popular cryptocurrency exchange, offers an alternative method for excluding values in SQL queries. You can use the 'NOT EXISTS' operator along with a subquery to achieve this. The subquery should return the values you want to exclude. For example, if you have a separate table called 'excluded_currencies' that contains the currencies you want to exclude, you can use the following query: SELECT * FROM cryptocurrency_data WHERE NOT EXISTS (SELECT * FROM excluded_currencies WHERE cryptocurrency_data.currency = excluded_currencies.currency). This will exclude the currencies specified in the 'excluded_currencies' table from your query results. Give it a try and see if it fits your needs!
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