How can we store and retrieve data from the database using JDBC?

The example to retrieve the file from the Oracle database is given below.

1. import java.io.*;
2. import java.sql.*;
3. public class RetrieveFile {
4. public static void main(String[] args) {
5. try{
6. Class.forName(“oracle.jdbc.driver.OracleDriver”);
7. Connection con=DriverManager.getConnection(

What database does JDBC use?

Supported JDBC Drivers and Databases

JDBC Driver Vendor	JDBC Driver Type	Supported Database Server
MySQL Connector/J Driver 5.1	Type 4	MySQL 5.1
Java DB 10.5.3.0	Type 4	Java DB 10.5.3.0
Oracle 11	Type 2 and Type 4	Oracle 11
PostgreSQL 8.4	Type 4	PostgreSQL 8.4

What is JDBC and how does it work?

JDBC (Java Database Connectivity) is the Java API that manages connecting to a database, issuing queries and commands, and handling result sets obtained from the database. Released as part of JDK 1.1 in 1997, JDBC was one of the first components developed for the Java persistence layer.

How does JDBC connect to Progress database?

Go to Jitterbit Studio and create a new data source:

1. Pick Progress OpenEdge [JDBC]
2. Enter your credentials.
3. Provide the following connection string by providing the appropriate host, port and database name.

What object is used to store the fetched data in JDBC?

ResultSet Interface is present in the java. sql package. It is used to store the data which are returned from the database table after the execution of the SQL statements in the Java Program. The object of ResultSet maintains cursor point at the result data.

How does JDBC handle the data types of Java and database?

The JDBC driver converts the Java data type to the appropriate JDBC type, before sending it to the database. It uses a default mapping for most data types. For example, a Java int is converted to an SQL INTEGER. JDBC 3.0 has enhanced support for BLOB, CLOB, ARRAY, and REF data types.

How does JDBC connect to SQL Server database?

This tutorial uses the Microsoft JDBC Driver 4.0 for Microsoft SQL Server to connect to a Microsoft SQL Server 2016 Express database.

1. Verify the driver installation.
2. Verify the port number.
3. Set up the operating system authentication.
4. Set up the data source.
5. Connect using the Database Explorer app or the command line.

What is JDBC DataSource?

A DataSource object provides a new way for JDBC clients to obtain a DBMS connection. This DataSource entry then points to a connection pool that is also defined in the weblogic. properties file. DataSource objects can be defined with or without Java Transaction Services (JTS) enabled.

How do you connect database progress?

Create a Connection Profile – From the Workbench select the menu option for Window > Preferences. – In the Preferences dialog, select (OpenEdge) DB Navigator > Connection Profiles. – Press the Add button. The “Create New Alias!” dialog is displayed.

How can we store image in database using JDBC?

Storing image using JDBC String query = “INSERT INTO Tutorial(Name, Type, Logo) VALUES (?,?,?)”; PreparedStatement pstmt = con. prepareStatement(query); Set values to the place holders using the setter methods of the PreparedStatement interface and for the Blob datatype set value using the setBinaryStream() method.

How does JDBC handle the data type of Java and database Mcq?

Q 2 – How does JDBC handle the data types of Java and database? A – The JDBC driver converts the Java data type to the appropriate JDBC type before sending it to the database.

Which JDBC drives will run your program?

JDBC driver test suite JDBC drivers will run your program – JDBC

• a. The JDBC-ODBC bridge.
• b. The JDBC driver manager.
• c. The JDBC driver test suite.
• d.

What is the database in JDBC?

The database (or data store) stores the data retrieved by the application using the JDBC Driver. The main objects of the JDBC API include: A DataSource object is used to establish connections. Although the Driver Manager can also be used to establish a connection, connecting through a DataSource object is the preferred method.

How do I create a JDBC tlog store?

The main steps for creating a JDBC TLOG store are as follows: Create a JDBC data source, GridLink data source, or multi data source to interface with the JDBC store. See Choosing a Data Source. Create a JDBC TLOG store and associate it with the JDBC data source, GridLink data source, or multi data source created in Step 1.

What is the use of CLOB in JDBC?

JDBC provides support for the Clob datatype, to store the contents of a file in to a table in a database. The setCharacterStream () method of the PreparedStatement interface accepts an integer representing the index of the parameter and, a Reader object as a parameter.

How to send very large text value using JDBC program?

Whenever you need to send very large text value you can use this method. If you need to store a file in a database using JDBC program create table with a Clob (TINYTEXT, TEXT, MEDIUMTEXT, LONGTEXT) datatype as shown below: Now, using JDBC connect to the database and prepare a PreparedStatement to insert values into the above created table: