Level 8 Salary In Nigeria Here is simple example what I tried to do I can t get f string to work in my case to use it as table name placeholder and I can t figure it out what you are suggesting I m beginner and English is not my primary language
Reddit is a network of communities where people can dive into their interests hobbies and passions There s a community for whatever you re interested in on Reddit When I submitting url in bang submission in duck duck go it saying this Please add a query placeholder like s in the URL
Level 8 Salary In Nigeria
Level 8 Salary In Nigeria
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Level 8 Salary In Nigeria 2025 See How Much Is Paid Nigerian Price
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Level 8 Salary In Nigeria 2025 See How Much Is Paid Nigerian Price
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The problem I have is that in the same query I use PSQL s alnum like regexp replace name alnum g Executing this yields the error ActiveRecord PreparedStatementInvalid missing value for alnum in SELECT In other words Rails thinks that alnum is a named placeholder But it isn t it s a PostgreSQL s keyword so Query tv Build out some searches that work for you then add them to your Favorites Bookmarks Feel free to add comments with qualifiers you find that work and I ll add them to the list
For example assume your 1 and 2 is null the query would evaluate to WHERE email null or username null which in turn is WHERE false or false The only way to compare to null is to use IS so this could be bad WHERE email 1 or username is null But in your case both these columns are probably not null anyways When you or your ORM execute that query it ll send a value to put in place of that But rather than just copy pasting the raw value in there it ll do things to make sure the values can t cause SQL injection attacks Basically that placeholder gets you a whole bunch of protection against malicious values that just putting strings together
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The question mark is a placeholder in your SQL statement that is given a real value when the statement is executed They re known as query parameters As others have said they re a way to prevent SQL injection but also they make your code much more readable in any case so if you re putting SQL into any programming language use parameters I made a Free and Open Source SaaS Boilerplate An Alternative to 500 Paid Ones perfect to build your own SaaS
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Level 8 Salary In Nigeria 2025 See How Much Is Paid Nigerian Price
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Here is simple example what I tried to do I can t get f string to work in my case to use it as table name placeholder and I can t figure it out what you are suggesting I m beginner and English is not my primary language
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Level 8 Salary In Nigeria 2025 See How Much Is Paid Nigerian Price
Level 8 Salary In Nigeria 2025 See How Much Is Paid Nigerian Price
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Level 8 Salary In Nigeria - For example assume your 1 and 2 is null the query would evaluate to WHERE email null or username null which in turn is WHERE false or false The only way to compare to null is to use IS so this could be bad WHERE email 1 or username is null But in your case both these columns are probably not null anyways
