Which SQL keyword is used to retrieve minimum value?
The SQL MIN() and MAX() Functions
The MIN() function returns the smallest value of the selected column. The MAX() function returns the largest value of the selected column.
How do I find the maximum value of a column in SQL?
To find the max value of a column, use the MAX() aggregate function; it takes as its argument the name of the column for which you want to find the maximum value. If you have not specified any other columns in the SELECT clause, the maximum will be calculated for all records in the table.
How do I get the highest value in 3 columns in SQL?
To get the maximum value from three different columns, use the GREATEST() function. Insert some records in the table using insert command. Display all records from the table using select statement.
Which SQL keyword is used to retrieve unique values?
The correct answer is option D (Select distinct).
Is Char a keyword in SQL?
It is a datatype in SQL which is used to store character string of fixed length specified. … Storage size of CHAR datatype is of n bytes(set length). We should use this datatype when we expect the data values in a column are of same length.
Which command is used to retrieve data from multiple tables?
SQL SELECT from Multiple Tables. This statement is used to retrieve fields from multiple tables. To do so, we need to use join query to get data from multiple tables.
Which SQL query would be used to find all cities whose humidity is 95?
SQL query to find all the cities whose humidity is 95. Explanation: The SQL WHERE clause is used to filter the results and apply conditions in a SELECT, INSERT, UPDATE, or DELETE statement.
How do I find the minimum and maximum value in SQL?
To ask SQL Server about the minimum and maximum values in a column, we use the following syntax: SELECT MIN(column_name) FROM table_name; SELECT MAX(column_name) FROM table_name; When we use this syntax, SQL Server returns a single value.
Can we use Max and sum together in SQL?
SUM() and MAX() at the same time
I have to group a number of specific tuples together to get the sum and then retrieve the maximum of that sum. … So to answer your question, just go ahead and use SUM() and MAX() in the same query.
How do I find the maximum value of a row in SQL?
To find the maximum value of a column, use the MAX() aggregate function; it takes a column name or an expression to find the maximum value. In our example, the subquery returns the highest number in the column grade (subquery: SELECT MAX(grade) FROM student ).