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CREATE OR REPLACE FUNCTION get_employee_salary(emp_id IN NUMBER) RETURN NUMBER AS v_salary NUMBER; BEGIN SELECT salary INTO v_salary FROM employees WHERE employee_id = emp_id; RETURN v_salary; END; Error Handling in PL/SQL Error handling is important for building reliable applications.Use th...
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Syntax: SAVEPOINT < savepoint_name>; For Example: INSERT INTO teachers (ID,NAME,AGE,ADDRESS,SALARY) VALUES (1, 'ranjitha', 34, 'bangalore', 2000.00 ); INSERT INTO teachers (ID,NAME,AGE,ADDRESS,SALARY) VALUES (2, 'sai', 24, 'hyderabad', 3000.00 ); INSERT INTO teachers (ID,NAME,AGE...
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Abhinav IT Hyderabad Vaishnavi HR Hyderabad Shubhangi IT Kolkata Dhruvin HR Kolkata Aditi Finance Pune AGGREGATE FUNCTIONS Aggregate functions are used to perform calculations on a set of data and return a single value. Some of the most commonly used aggregate functions in SQL are: COUNT: returns...
5. What are the user roles available in SSRS? 6. Can you write a query to find nth highest salary of an employee? 7. Write a query to delete duplicate records from a table. Note: Write queries that suits the below situation. A table is having a unique key and having duplicates ...
INSERT INTO DBO.SY_EMP(FIRTSNAME,LASTNAME,LOCATION,DOB,SALARY,DEPT) VALUES ('RAMU','J','HYDERABAD','07-23-1989',24000,1) DELETE RECORD FROM SYNONYM DELETE FROM DBO.SY_EMP WHERE ID=3 Figure 2: Select SynonymA synonym can refer to other database objects also. In case we are worki...
INSERTINTOCUSTOMERS(ID,NAME,AGE,ADDRESS,SALARY)VALUES(4,'Chaitali',25,'Mumbai',6500.00),(5,'Hardik',27,'Bhopal',8500.00),(6,'Komal',22,'Hyderabad',4500.00); Following query adds another record in the CUSTOMERS table using the second syntax as shown below − ...
IDNAMEAGEADDRESSSALARY 1Ramesh32Ahmedabad500.00 2Khilan25Delhi1500.00 3kaushik23Kota2000.00 4Chaitali25Mumbai6500.00 5Hardik27Bhopal2125.00 6Komal22Hyderabad4500.00 7Muffy24Indore10000.00 Subqueries with the DELETE Statement The subquery can be used with the DELETE statement as well; like with any other ...