Java.sql CFLib is a package library that provides a common set of functions and utilities for working with JDBC (Java Database Connectivity) databases. It includes functions for working with database connections, statements, result sets, and metadata.
Example 1: Connecting to a database using CFLib
// import the CFLib package import java.sql.CFLib.*;
// define the database connection parameters String url = "jdbc:mysql://localhost:3306/mydb"; String user = "username"; String pass = "password";
// create a CFLib database connection object CFLibDatabase conn = new CFLibDatabase(url, user, pass);
// execute a query and get the results CFLibResultSet results = conn.executeQuery("SELECT * FROM mytable");
// loop through the results and print them while (results.next()) { System.out.println(results.getString("column1")); System.out.println(results.getInt("column2")); }
Example 2: Working with result sets using CFLib
// import the CFLib package import java.sql.CFLib.*;
// create a CFLib database connection object CFLibDatabase conn = new CFLibDatabase("jdbc:mysql://localhost:3306/mydb", "username", "password");
// execute a query and get the results CFLibResultSet results = conn.executeQuery("SELECT * FROM mytable");
// get the metadata for the results CFLibResultSetMetaData metadata = results.getMetaData();
// print out the column names for (int i = 1; i <= metadata.getColumnCount(); i++) { System.out.println(metadata.getColumnName(i)); }
// loop through the results and print them while (results.next()) { System.out.println(results.getString("column1") + " " + results.getInt("column2")); }
In both examples, we can determine that the package library being used is java.sql.CFLib, as this is the package that is being imported and used in the code.
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