How to use the uppercase function in a case insensitive SQL query?

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Case insensitive SQL SELECT: Use upper or lower functions or this: select * from users where lower(first_name) = 'fred'; As you can see, the pattern is to make the field you're searching into uppercase or lowercase, and then make your search string also be uppercase or lowercase to match the SQL function you've used. 12 апр. 2018 г.

How do you make a case insensitive query?

Another way for case-insensitive matching is to use a different “collation”. The default collations used by SQL Server and MySQL do not distinguish between upper and lower case letters—they are case-insensitive by default. The logic of this query is perfectly reasonable but the execution plan is not: DB2.

How do I get an uppercase query in SQL?

In SQL Server, you can convert any lowercase string to uppercase by using the UPPER() function. To use it, simply pass the string as an argument when calling the function.

How do you use lowercase and uppercase in SQL?

The SQL UPPER function converts all the letters in a string into uppercase. If you want to convert a string to lowercase, you use the LOWER function instead.

How do I ignore case sensitive in SQL Server?

Using LOWER() and UPPER() functions for case in-sensitive that is ignoring the case in queries.

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