What is JDBC in Java with example?

What is JDBC example?

Java Database Connectivity (JDBC) is an application programming interface (API) for the programming language Java, which defines how a client may access a database. It is a Java-based data access technology used for Java database connectivity.

Java Database Connectivity.

Developer(s) Oracle Corporation
Type Data access API
Website JDBC API Guide

What is the use of JDBC in Java?

The Java Database Connectivity (JDBC) API provides universal data access from the Java programming language. Using the JDBC API, you can access virtually any data source, from relational databases to spreadsheets and flat files.

What is JDBC statement in Java?

The JDBC Statement, CallableStatement, and PreparedStatement interfaces define the methods and properties that enable you to send SQL or PL/SQL commands and receive data from your database. They also define methods that help bridge data type differences between Java and SQL data types used in a database.

What are JDBC 3 components?

JDBC Core Components

  • DriverManager. The DriverManager class keeps track of the available JDBC drivers and creates database connections for you. …
  • Driver. The Driver interface is primarily responsible for creating database connections. …
  • Connection. …
  • Statement. …
  • ResultSet.

Is JDBC a framework?

Spring JDBC provides several approaches and correspondingly different classes to interface with the database. … This is the central framework class that manages all the database communication and exception handling.

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What is difference between ODBC and JDBC?

ODBC is an SQL-based Application Programming Interface (API) created by Microsoft that is used by Windows software applications to access databases via SQL. JDBC is an SQL-based API created by Sun Microsystems to enable Java applications to use SQL for database access.

How do you write a query in Java?

The Java source code

  1. Create a Java Connection to the MySQL database.
  2. Define the SELECT statement.
  3. Execute the SELECT query, getting a Java ResultSet from that query.
  4. Iterate over the ResultSet , getting the database fields (columns) from each row of data that is returned.
  5. Close the Java database connection.

What is JDBC Type?

The JDBC type system mediates the conversion between SQL Server data types and Java language types and objects. The JDBC types are modeled on the SQL-92 and SQL-99 types. The JDBC driver adheres to the JDBC specification and is designed to provide the right balance between predictability and flexibility.

Which JDBC driver is efficient?

Which driver is efficient and always preferable for using JDBC applications? Type 4 Driver is a Database-Protocol Driver(Pure Java Driver). Its implementation allows the conversion of JDBC calls directly into a vendor-specific database protocol.