How to Retrieve Data from a ResultSet in JDBC? - GeeksforGeeks
Feb 15, 2024 · In this article, we will learn to retrieve data from a ResultSet in JDBC. ResultSet interface represents the result set of a database query by using SQL. When we use PreparedStatement for performing SQL query statements, it …
sql - Get value from ResultSet Java - Stack Overflow
Dec 17, 2015 · I want to get value from ResultSet after query to the database so how can I do it. This is some line of my code conn = DBConnection.connect(); String SQL = "SELECT * from usertable"; // ResultSet ResultSet rs = conn.createStatement().executeQuery(SQL); if (rs.next()) { System.out.println(rs.getString(1)); } It printed: "1", not the value I want ...
JDBC Result Set - GeeksforGeeks
May 27, 2024 · The JDBC ResultSet is Object which represents the result of a SQL Query executed on a database. It acts as a cursor to navigate through the retrieved data, manipulate data, Fetching Specific columns and others.
Retrieving result set data sample - JDBC Driver for SQL Server
This Microsoft JDBC Driver for SQL Server sample application demonstrates how to retrieve a set of data from a SQL Server database, and then display that data. The code file for this sample …
Retrieving and Modifying Values from Result Sets
A ResultSet object is a table of data representing a database result set, which is usually generated by executing a statement that queries the database.
Retrieve column names from java.sql.ResultSet - Stack Overflow
Apr 19, 2010 · With java.sql.ResultSet is there a way to get a column's name as a String by using the column's index? I had a look through the API doc but I can't find anything.
ResultSet: Retrieving column values by index versus retrieving by …
In the result set loop use the integer variable names in the GET/SET methods. The variable name is a visual clue to the developer/maintainer as to the actual column name being accessed but the value is the column index and will give the best performance.
Guide to the JDBC ResultSet Interface - Baeldung
Jan 8, 2024 · First, we retrieve a ResultSet by calling executeQuery () on any object implementing the Statement interface. Both the PreparedStatement and the CallableStatement are subinterfaces of Statement: ResultSet rs = pstmt.executeQuery(); The ResultSet object maintains a cursor that points to the current row of the result set.
JDBC ResultSet: How To Use Java ResultSet To Retrieve Data
Apr 1, 2025 · This tutorial explains how to use JDBC ResultSet to retrieve data. We will also learn about ResultSetMetaData and DatabaseMetaData interfaces.
SQL Result: Unveiling the Power of Result Sets in Database …
Aug 18, 2023 · To generate a result set, we employ SQL queries, which enable us to fetch specific data from one or more database tables. These queries can be as straightforward as selecting all records from a single table or as complex as joining multiple tables and applying filters to extract the desired information.