When using aggregate functions in SQL without any grouping, the result set will always contain exactly one row and one column, as aggregate functions are designed to compute a single summary value from the data.
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SQL Aggregate Functions: Master Single Value Results #shortsAjouté :
Remember, in the case of aggregate functions, if you are using only aggregate function, it is always going to return sir, only single value. So, if it contain result set contain single value, then how many rows are there?
Only one row. How many columns are there? Only one column. Clear for all of you, right?
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