Database Related

What Is The Difference Between Parameterized Queries And Prepared Statements?

The prepared statements and parameterized queries both are the same thing. However, the prepared statement is a commonly used term in programming, there is no particular difference between the two terms. They both are the features of management systems in the database which act as templates to execute the SQL. The actual passed values in the SQL are parameters, which is the reason that these templates are also known as the parameterized queries. The SQL which is inside the template also gets parsed and optimized before it is sent for the execution, in different words “prepared”. So this is the reason that why the templates are sometimes called the prepared statements also. To have a better idea about these concepts, we have elaborated the concepts and also illustrated them with examples so that it is easy for you to understand.

A prepared statement is also known as parameterized statement which is used to implement the similar statement repetitively with great competence. Parameterized queries and prepared statements are elements of database administration systems that fundamentally go about as layouts in which SQL can be executed. The genuine qualities that are gone into the SQL are the parameters (for instance, which esteem should be scanned for in the WHERE statement), which is the reason these layouts are called parameterized queries. What’s more, the SQL inside the format is additionally parsed, assembled, and streamlined before the SQL is sent off to be executed – at the end of the day “arranged”. That is the reason these formats are frequently called arranged articulations too. In this way, simply recollect that they are two distinct names for the same thing. The main feature of a prepared statement is that the values will be persevered in query after query is “prepared”, and set to be implemented.

 

Example

Parameterized Query(java-Hibernate) Prepared Statement(JAVA)
Query safeHQLQuery = session.createQuery(“from Student where Std_ID=:class_id”);

safeHQLQuery.setParameter(“class_id”, std_Rec_Parameter);

java.sql.PreparedStatement stmt =

connection.prepareStatement(

“SELECT * FROM table WHERE City = ?”);

 

stmt.setString(1, texas);

 

stmt.executeQuery();

 

 

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