Author Archives: vivekjohari

Avg():- This function is used to get the average value of a numeric column Syntax:-       SELECT AVG(column_name) FROM table_name In this article, we are going to use the following table for some examples:- CREATE TABLE [dbo]. [Employee]( [Empid] [Int] … Continue reading →

UPPER():- This function is used to convert the value of a column to upper case.  Syntax:    SELECT UPPER(string) OR Select UPPER(Column name) from tablename For example,   SELECT UPPER(‘Vivek’) Result:    VIVEK

LEN():- This function is used to get the length of the given string value.   Syntax:-     Select len (stringvalue)   For example,     Select len(‘Vivek Johari’)    Result:-    12

LOWER():- This function is used to convert the value of a column to lower case  Syntax:-  Select LOWER (string)    or    SELECT LOWER(column_name) FROM table_name For example, SELECT LOWER(‘Vivek Johari’) Result:- vivek johari

LTRIM ():- This function is used to get the string after the removal of leading blank spaces. Syntax:- LTRIM ( character_expression ) For example:- Select LTRIM  (‘  Vivek Johari’) Result:- Vivek Johari (without blank spaces on left side)

Substring():- This function is used to return the specified number (third argument “len”) of characters from a given string(first argument) from the start position as specified as the second argument. Syntax:-    Select  SUBSTRING ( expression ,start , length ) … Continue reading →

Max():- This function gives the maximum value of the selected column Syntax:- Select Max (col1) from table_name In this article, we are going to use the following table for the examples:- CREATE TABLE [dbo]. [Employee]( [Empid] [Int] IDENTITY (1, 1) … Continue reading →

RTRIM():-This function is used to get the string after the removal of all trailing blanks. Syntax:- RTRIM ( character_expression ) For example:- Select RTRIM(‘Vivek Johari  ‘) Result:- Vivek Johari (without blank spaces on Right side)

Sum():- This function is used to get the sum of values of the specified numeric column.  Syntax:-  Select Sum (column_name) from tablename Example:- In this article, we are going to use the following table for the examples:- CREATE TABLE [dbo]. … Continue reading →