Fundamentals of InfoSecintermediate
Arrange the steps of the prepared statement execution process in the correct chronological order.
Answer
Write the SQL query with parameter placeholders and send it to be prepared, The database parses and compiles the query structure independently of parameters, Bind user-supplied input values to the designated placeholders, Execute the compiled query with the bound values treated strictly as data
Explanation
### The order
1. **Write and prepare the SQL command with a placeholder.** The command structure is defined before the input value is supplied.
2. **The database parses the command structure separately from its parameters.** This establishes the intended separation between code and data.
3. **Bind or supply the input value for the placeholder.** The value is attached to its designated position.
4. **Execute the prepared command with the value treated as data.** The input cannot change the prepared command's structure.
### The concept
The sequence matters because the database must know the command structure independently of user input. The material's PHP example uses a placeholder and then supplies a value when executing the statement.
### Terms
- **Placeholder**: A position in a prepared command that receives a value.
- **Parameter**: A value supplied to a prepared statement.
### Remember
Prepare the command before binding the untrusted value.
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