How do I select a single record in MySQL?

How do I select a single record in MySQL?

Is any to Identify the First record Query in MySQL. connection. Open(); command. CommandText = “select student_code from attendance_master where subject_code='” + subcode + “‘ and period_code='” + percode + “‘ and date='” + date + “‘”; Reader = command.

How can I retrieve multiple records in SQL?

Now to get to your question, as others before me answered you can use the IN clause: SELECT * FROM users WHERE ( id IN (1,2,..,n) ); or, if you wish to limit to a list of records between id 20 and id 40, then you can easily write: SELECT * FROM users WHERE ( ( id >= 20 ) AND ( id <= 40 ) );

How do I SELECT multiple records in mysql?

To select multiple values, you can use where clause with OR and IN operator.

How to select records with only one value?

Here, we join the customer table against a derived table that produces the list of customers having only 1 select * from customer c join ( select customer_id from customer group by customer_id having count (program_name) = 1 ) t on t.customer_id = c.customer_id where — any further winnowing of the result set occurs here

How to get single records when duplicate records exist in a table?

In the query below, the sub-query retrieves each customer’s maximum Order_ID in order to uniquely identify each order. 89 records returned in the query result. Note that the data in the column on which we apply max or min function must be unique.

What is an example of only one record?

A simplified example: Customer 1 has three records because they are enrolled in 2013BA1111, 2013BO1161 and 2013BO1163. Customer 2 has just one record because they are only enrolled in 2013BA1111.

Can You retrieve all columns from events table?

If your’re interested in all columns from events table, not just the above two columns I choose, there’s a freaky implementation in some databases (e.g. SQL Server) which may help you: Is this answer outdated? Is this answer outdated?