Скачать или смотреть BCS403 DBMS Lab 5: Cursor Operations in DBMS CUSTOMERS Table variables, Open & Close Cursor

Question 5
Create cursor for Employee table & extract the values from the table. Declare the variables, Open the cursor & extract the values from the cursor. Close the cursor.
CUSTOMERS(ID,NAME,AGE,ADDRESS,SALARY)

Solution
1. Creating the Employee Table and insert few records
2. Create a Stored Procedure with Cursor
Declare variables to store cursor values.
Declare a cursor for the Employee table.
Declare a continue handler for the cursor.
Open the cursor.
Initialize a variable to control cursor loop.
Loop through the cursor results.
Fetch the next row from the cursor into variables.
Check if no more rows to fetch.
Output or process each row (for demonstration, print the values).
Close the cursor.
3. Execute the Stored Procedure

Declare Cursor: Define a cursor to select data from the CUSTOMERS table.
Declare Variables: Create variables to hold the extracted ID, NAME, AGE, ADDRESS, and SALARY values.
Open Cursor: Open the declared cursor.
Fetch Values: Retrieve data from the cursor, storing it in the declared variables.
Process Data: (Optional) Perform operations on the fetched values.
Close Cursor: Close the cursor.

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