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  • How to run sql queries using JSTL

    @shivani.sharma
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    Run sql queries using SQL tag in JSP

    We can run SQL queries directly in JSP page using "sql" tag.
    Suppose we have a 'postgres' database, with below credentials:
    db:'test'
    user: root
    password: 123
    table name: user which have a column 'userName'.
    Below is the JSP code to make db connection and get data from table:

    <body>
     <sql:setDataSource var="connection" driver="org.postgresql.Driver" url="jdbc:postgresql://localhost/test" user="root" password="123" />
     <sql:query dataSource="${connection}" var="result" >
           select userName from user;
     </sql:query>
     <c:forEach var="row" items="${result.rows}">
           <c:out value="${row.userName}"/>
     </c:forEach>
</body>
    JSTL SQL tag
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