Php Mysql Update Where Clause Sql
I am having a problem with this simple sql query:
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When I use the string directly in the WHERE clause like this
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- PHP MySQL WHERE Clause The WHERE Clause is used to filter only those records that are fulfilled by a specific condition given by the user. In other words, the SQL WHERE clause is used to restrict the number of rows affected by a SELECT, UPDATE or DELETE query.
- Free PHP tutorials. Multiple WHERE conditions. MySQL allows you to perform more complicated queries by using AND and OR in your WHERE clause to tie conditions.
- Summary: updating data is one of the most important tasks when you work with the database.In this tutorial, you will learn how to use the MySQL UPDATE statement to update data in a table.
I get a result. When I use the variable instead, I get no data! I am a novice and I can't figure out what am I doing wrong. Any help would be appreciated. Thank you!
1 Answer
you getting no date because you have extra space betwee the quotes,
which will then be parsed into
remove it and it will work Hp elitebook 8560w drivers fingerprint scanner.
As a sidenote, the query is vulnerable with SQL Injection if the value(s) of the variables came from the outside. Please take a look at the article below to learn how to prevent from it. By using PreparedStatements you can get rid of using single quotes around values.