by Dexter | Dec 5, 2020 | Oracle SQL
COUNT is an aggregate function in Oracle used for returning the count of rows in a column. Syntax The syntax of the Oracle COUNT function is as follows: SELECT COUNT( [ALL /DISTINCT ]* expression) FROM table; Here, expression – It is column name whose rows we...
by Dexter | Dec 5, 2020 | Oracle SQL
In this article, we will learn to use VARIANCE function in Oracle. Just like STDDEV function, VARIANCE can be used both as an aggregate and analytical function. Variance in statistics tells us how far a set of values is spread out from their average or mean value....
by Dexter | Dec 5, 2020 | Oracle SQL
STDDEV is an Oracle Function that is classified as both an aggregate and analytical function. Standard Deviation in Statistics is a term used to define the dispersion of values from the mean or how spread out the values are. Oracle calculates Standard deviation as the...
by Dexter | Dec 5, 2020 | Oracle SQL
SUM is an aggregate function that returns the sum total of all values in a set. Syntax The syntax of the SUM function is as follows: SELECT SUM(expression) FROM table [WHERE condition]; Here, expression – It is a set of values or a column name. By default SUM...
by Dexter | Dec 5, 2020 | Oracle SQL
MIN is an aggregate group function that returns the minimum value from a set of values. Syntax The syntax of the Oracle MAX function is as follows: SELECT MIN(expression) FROM table [WHERE condition]; Here, expression – It could be a list of values or column...
by Dexter | Dec 5, 2020 | Oracle SQL
MAX is an aggregate function that returns the maximum value from a list of values. Syntax The syntax of the Oracle MAX function is as follows: SELECT MAX(expression) FROM table [WHERE condition]; Here, expression – It could be a list of values or column name...
