What is JDBC interface in Java?
What is JDBC interface 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 interface?
The statement interface is used to create SQL basic statements in Java it provides methods to execute queries with the database. There are different types of statements that are used in JDBC as follows: Create Statement. Prepared Statement. Callable Statement.
Which interface is used in JDBC?
JDBC API is available in two packages java. sql, core API and javax. sql JDBC optional packages.
How many interfaces are there in JDBC?
The six interfaces at the bottom of Figure 1-1 are used with object-relational technology.
What is interface Statement?
The Statement interface provides methods to execute queries with the database. The statement interface is a factory of ResultSet i.e. it provides factory method to get the object of ResultSet.
WHAT IS interface in Java with example?
An interface in Java is a blueprint of a class. It has static constants and abstract methods. The interface in Java is a mechanism to achieve abstraction. There can be only abstract methods in the Java interface, not method body. It is used to achieve abstraction and multiple inheritance in Java.
How incorporate JDBC write steps with example?
How incorporate JDBC write steps with example?
- Import JDBC packages.
- Load and register the JDBC driver.
- Open a connection to the database.
- Create a statement object to perform a query.
- Execute the statement object and return a query resultset.
- Process the resultset.
- Close the resultset and statement objects.
What are the classes and interfaces in JDBC?
Important classes and interface of java. sql package
| classes/interface | Description |
|---|---|
| java.sql.Connection | creates a connection with specific database |
| java.sql.CallableStatement | Execute stored procedures |
| java.sql.CLOB | Provide support for CLOB(Character Large Object) SQL type. |
| java.sql.Date | Provide support for Date SQL type. |
What is JDBC and its types?
Java Database Connectivity (JDBC) is an application programming interface (API) for the programming language Java, which defines how a client may access any kind of tabular data, especially relational database. It is part of Java Standard Edition platform, from Oracle Corporation.
Why interface is used in Java with example?
Why do we use an Interface? It is used to achieve total abstraction. Since java does not support multiple inheritances in the case of class, by using an interface it can achieve multiple inheritances. It is also used to achieve loose coupling.
What is interface give example?
An interface is a description of the actions that an object can do… for example when you flip a light switch, the light goes on, you don’t care how, just that it does. In Object Oriented Programming, an Interface is a description of all functions that an object must have in order to be an “X”.
WHAT IS interface in Java with real time example?
An interface in java it has static constants and abstract methods only. for real time example – it is 100% abstraction. example is, Comparator Interface. If a class implements this interface, then it can be used to sort a collection.