diff --git a/spring-boot-jobrunr/src/main/java/com/mkyong/api/JobController.java b/spring-boot-jobrunr/src/main/java/com/mkyong/api/JobController.java
index 2ba1212..9bfe480 100644
--- a/spring-boot-jobrunr/src/main/java/com/mkyong/api/JobController.java
+++ b/spring-boot-jobrunr/src/main/java/com/mkyong/api/JobController.java
@@ -47,5 +47,15 @@ public String scheduleJob(
 
         return "Job is scheduled.";
     }
+    public String updateJobInfo(){
+        return null;
+    }
+public String fetchjobInfo(){
+
+    return null;
+} 
+public String fetchJobById(){
 
+    return null;
+}
 }
diff --git a/spring-data-jpa-mysql/src/main/java/com/mkyong/BookRepository.java b/spring-data-jpa-mysql/src/main/java/com/mkyong/BookRepository.java
index 43043a3..093757f 100644
--- a/spring-data-jpa-mysql/src/main/java/com/mkyong/BookRepository.java
+++ b/spring-data-jpa-mysql/src/main/java/com/mkyong/BookRepository.java
@@ -8,4 +8,17 @@ public interface BookRepository extends CrudRepository<Book, Long> {
 
     List<Book> findByName(String name);
 
+    List<Book> findById(int id);
+
+    List<Book> findByPrice(int price);
+
+    List<Book> deleteById(int id);
+
+    List<Book> findByIdAndName(int id,String name);
+
+    List<Book> fetchById(int id);
+
+    List<Book> findByUnAndPwd(String un,String pwd);
+    
+
 }
diff --git a/spring-data-jpa/src/main/java/com/mkyong/BookRepository.java b/spring-data-jpa/src/main/java/com/mkyong/BookRepository.java
index 43043a3..04df597 100644
--- a/spring-data-jpa/src/main/java/com/mkyong/BookRepository.java
+++ b/spring-data-jpa/src/main/java/com/mkyong/BookRepository.java
@@ -7,5 +7,11 @@
 public interface BookRepository extends CrudRepository<Book, Long> {
 
     List<Book> findByName(String name);
+    
+    public <User> fetchByName(String name);
+
+    public <User> fetchById(int id);
+
+    public <User> fetchJobById(int id);
 
 }