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SQL zero-to-many column comparison

Say I have two columns in a table, a and b. For each value of a, there can be zero-to-many values of b. If the columns are sorted by a, then by b, what is the most efficient way to mark the first value of b which is greater than the corresponding value of a in a new third column?

MySQL JSON Query sends random numbers

I’m writing a MySQL Query in Python using pymysql to send JSON data to a MySQL table. When it sends the data, the following results are produced. | id | data …

SQL SUM Returning Incorrect Result

I’m trying to get the SUM from the columns returned by a subquery but the value I’m getting back is not what I’m expecting. When I run this query: SELECT totals.repair_order_amount_total FROM (…

reading or converting to file -byte[] array wrong

my name Is Omer and I’m a student. In my project I had to upload videos to database and also read them from the database. I’m using OLE object field to store byte[]array. But IDK why I Cant convert …