Top 10 SQL Commands In Telugu | SQL Telugu Tutorial #sql

Hi In this Video we explained Top 10 essential SQL commands that are widely used for interacting with databases. By Excel Telugu Videos (Srinivas Reddy).

Top 10 essential SQL commands that are widely used for interacting with databases:

1. SELECT – Retrieve data from a database.
SELECT name, age FROM customer;

2. WHERE – Filter records that meet certain conditions.
SELECT * FROM customer WHERE age greaterthan 25;

3. INSERT INTO – Insert new data into a database.
INSERT INTO – Insert new data into a database.

4. UPDATE – Update existing data in a database.
UPDATE customer SET age = 35 WHERE name = 'John Doe';

5. DELETE – Delete records from a database.
DELETE FROM customer WHERE age lessthan 18;

6. JOIN – Combine rows from two or more tables based on a related column.
SELECT customer.name, orders.order_id
FROM customer
JOIN orders ON customer.customer_id = orders.customer_id;

7. ORDER BY – Sort the result set in ascending or descending order.
SELECT * FROM customer ORDER BY age DESC;

8. GROUP BY – Group rows that have the same values into summary rows.
SELECT age, COUNT(*) FROM customer GROUP BY age;

9. HAVING – Filter groups based on conditions, used with GROUP BY.
SELECT age, COUNT(*) FROM customer GROUP BY age HAVING COUNT(*) greaterthan 1;

10. CREATE TABLE – Create a new table in the database.
CREATE TABLE orders (
order_id INT,
customer_id INT,
order_date DATE
);

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Видео Top 10 SQL Commands In Telugu | SQL Telugu Tutorial #sql канала EXCEL TELUGU VIDEOS