JDBC stands for Java Database Connectivity!

 

<Original login process between front/backend side>   Java JDBC Tutorial   JDBC stands for Java Database Connectivity. JDBC is a Java API to connect and executes the query with the database. It is a part of JavaSE (Java Standard Edition).  JDBC API uses JDBC drivers to connect with the database. There are four types of JDBC drivers:      <Applied JDBC can help login process smoothly between front/backend side and deliver the data from a database of the oracle>    Step 1- DAO) Create a connection on DAO to connect directly database of oracle to Data Assess Object(DAO)        **Create an object of connection to connect between a database and DAO     public connection openConnection() {  connection connection = null;}     **catch (ClassNotFoundException e )   even if an exception case happens, coding will keep running.     Step 2) Declare DOA as a new object in the Auth to apply JDBC so that brings out the database directly to Auth & Taskmanager         Step 3) Method, convertToBool  A method of converToBool Converts a specified value to an equivalent Boolean value.     The data summoned from the database to DAO is a type of number, we need to convert it into a boolean type (True/False), Method "CovertToBool" will be used for it.
<Original login process between front/backend side>


Java JDBC Tutorial

JDBC stands for Java Database Connectivity. JDBC is a Java API to connect and executes the query with the database. It is a part of JavaSE (Java Standard Edition).

JDBC API uses JDBC drivers to connect with the database.


JDBC 는 자바의 데이터베이스 연결을 의미한다. 다시 말해 JDBC 는 데이터베이스의 쿼리와 관련된 업무를 실행할 수 있는 API 라고 일컬을 수 있을 것이다. JAVA API 는 JDBC 를 사용해 데이터 베이스와 연결 할 수 있다.


To explain tactics way, we can bring two different examples.

The first example is communicating and executing between the front end & back end based on the data collected by only two of the system. However, the second photo (below) can show the different data flow by adding of JDBC.


조금 더 쉬운 설명을 위해 두가지 예제를 들 수 있을 것이다. 첫번째 예제는 오직 프론트, 백앤드 시스템 안에서 취합된 데이터 베이스로 시스템이 운영되고 있다. 반면 JDBC 를 추가함으로서 다른 데이터 플로우를 설명하 있다.

<Original login process between front/backend side>   Java JDBC Tutorial   JDBC stands for Java Database Connectivity. JDBC is a Java API to connect and executes the query with the database. It is a part of JavaSE (Java Standard Edition).  JDBC API uses JDBC drivers to connect with the database. There are four types of JDBC drivers:      <Applied JDBC can help login process smoothly between front/backend side and deliver the data from a database of the oracle>    Step 1- DAO) Create a connection on DAO to connect directly database of oracle to Data Assess Object(DAO)        **Create an object of connection to connect between a database and DAO     public connection openConnection() {  connection connection = null;}     **catch (ClassNotFoundException e )   even if an exception case happens, coding will keep running.     Step 2) Declare DOA as a new object in the Auth to apply JDBC so that brings out the database directly to Auth & Taskmanager         Step 3) Method, convertToBool  A method of converToBool Converts a specified value to an equivalent Boolean value.     The data summoned from the database to DAO is a type of number, we need to convert it into a boolean type (True/False), Method "CovertToBool" will be used for it.


<Applied JDBC can help login process smoothly between front/backend side and deliver    directly the data from a database of the oracle>


JDBC 가 적용된 형태는 오라클로부터 호출 된 데이터를 직접 호출 해 프론트, 백앤드 사이의 로그인 프로스세스를 조금더 원활하게 도와준다. 


Step 1- DAO) Create a connection on DAO to connect directly database of oracle to Data Assess Object(DAO)


<Original login process between front/backend side>   Java JDBC Tutorial   JDBC stands for Java Database Connectivity. JDBC is a Java API to connect and executes the query with the database. It is a part of JavaSE (Java Standard Edition).  JDBC API uses JDBC drivers to connect with the database. There are four types of JDBC drivers:      <Applied JDBC can help login process smoothly between front/backend side and deliver the data from a database of the oracle>    Step 1- DAO) Create a connection on DAO to connect directly database of oracle to Data Assess Object(DAO)        **Create an object of connection to connect between a database and DAO     public connection openConnection() {  connection connection = null;}     **catch (ClassNotFoundException e )   even if an exception case happens, coding will keep running.     Step 2) Declare DOA as a new object in the Auth to apply JDBC so that brings out the database directly to Auth & Taskmanager         Step 3) Method, convertToBool  A method of converToBool Converts a specified value to an equivalent Boolean value.     The data summoned from the database to DAO is a type of number, we need to convert it into a boolean type (True/False), Method "CovertToBool" will be used for it.


**Create an object of connection to connect between a database and DAO 
DAO 와 database 사이의 연결 고리를 만드는 객체를 생성하는 과정 


public connection openConnection() {

connection connection = null;}


**catch (ClassNotFoundException e ) 

even if an exception case happens, coding will keep running. 

예외방지 장치를 추가. 


Step 2) Declare DOA as a new object in the Auth to apply JDBC so that brings out the database directly to Auth & Taskmanager  

<Original login process between front/backend side>   Java JDBC Tutorial   JDBC stands for Java Database Connectivity. JDBC is a Java API to connect and executes the query with the database. It is a part of JavaSE (Java Standard Edition).  JDBC API uses JDBC drivers to connect with the database. There are four types of JDBC drivers:      <Applied JDBC can help login process smoothly between front/backend side and deliver the data from a database of the oracle>    Step 1- DAO) Create a connection on DAO to connect directly database of oracle to Data Assess Object(DAO)        **Create an object of connection to connect between a database and DAO     public connection openConnection() {  connection connection = null;}     **catch (ClassNotFoundException e )   even if an exception case happens, coding will keep running.     Step 2) Declare DOA as a new object in the Auth to apply JDBC so that brings out the database directly to Auth & Taskmanager         Step 3) Method, convertToBool  A method of converToBool Converts a specified value to an equivalent Boolean value.     The data summoned from the database to DAO is a type of number, we need to convert it into a boolean type (True/False), Method "CovertToBool" will be used for it.


Step 3) Method, convertToBool

A method of converToBool Converts a specified value to an equivalent Boolean value.

<Original login process between front/backend side>   Java JDBC Tutorial   JDBC stands for Java Database Connectivity. JDBC is a Java API to connect and executes the query with the database. It is a part of JavaSE (Java Standard Edition).  JDBC API uses JDBC drivers to connect with the database. There are four types of JDBC drivers:      <Applied JDBC can help login process smoothly between front/backend side and deliver the data from a database of the oracle>    Step 1- DAO) Create a connection on DAO to connect directly database of oracle to Data Assess Object(DAO)        **Create an object of connection to connect between a database and DAO     public connection openConnection() {  connection connection = null;}     **catch (ClassNotFoundException e )   even if an exception case happens, coding will keep running.     Step 2) Declare DOA as a new object in the Auth to apply JDBC so that brings out the database directly to Auth & Taskmanager         Step 3) Method, convertToBool  A method of converToBool Converts a specified value to an equivalent Boolean value.     The data summoned from the database to DAO is a type of number, we need to convert it into a boolean type (True/False), Method "CovertToBool" will be used for it.

The data summoned from the database to DAO is a type of number, we need to convert it into a boolean type (True/False), Method "CovertToBool" will be used for it. 
<Original login process between front/backend side>   Java JDBC Tutorial   JDBC stands for Java Database Connectivity. JDBC is a Java API to connect and executes the query with the database. It is a part of JavaSE (Java Standard Edition).  JDBC API uses JDBC drivers to connect with the database. There are four types of JDBC drivers:      <Applied JDBC can help login process smoothly between front/backend side and deliver the data from a database of the oracle>    Step 1- DAO) Create a connection on DAO to connect directly database of oracle to Data Assess Object(DAO)        **Create an object of connection to connect between a database and DAO     public connection openConnection() {  connection connection = null;}     **catch (ClassNotFoundException e )   even if an exception case happens, coding will keep running.     Step 2) Declare DOA as a new object in the Auth to apply JDBC so that brings out the database directly to Auth & Taskmanager         Step 3) Method, convertToBool  A method of converToBool Converts a specified value to an equivalent Boolean value.     The data summoned from the database to DAO is a type of number, we need to convert it into a boolean type (True/False), Method "CovertToBool" will be used for it.

<Original login process between front/backend side>   Java JDBC Tutorial   JDBC stands for Java Database Connectivity. JDBC is a Java API to connect and executes the query with the database. It is a part of JavaSE (Java Standard Edition).  JDBC API uses JDBC drivers to connect with the database. There are four types of JDBC drivers:      <Applied JDBC can help login process smoothly between front/backend side and deliver the data from a database of the oracle>    Step 1- DAO) Create a connection on DAO to connect directly database of oracle to Data Assess Object(DAO)        **Create an object of connection to connect between a database and DAO     public connection openConnection() {  connection connection = null;}     **catch (ClassNotFoundException e )   even if an exception case happens, coding will keep running.     Step 2) Declare DOA as a new object in the Auth to apply JDBC so that brings out the database directly to Auth & Taskmanager         Step 3) Method, convertToBool  A method of converToBool Converts a specified value to an equivalent Boolean value.     The data summoned from the database to DAO is a type of number, we need to convert it into a boolean type (True/False), Method "CovertToBool" will be used for it.


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