How do I find the max varchar field in SQL Server?

How do you find the maximum value of a VARCHAR field?

SELECT * FROM testtable WHERE substring(test,2)=(SELECT MAX(CAST(SUBSTRING(test,2) AS SIGNED)) FROM testtable); This will return all rows with the character followed by the max integer – i.e. if you have G540 and X540, it’ll return both.

What is the max VARCHAR for SQL Server?

varchar [ ( n | max ) ] Variable-size string data. Use n to define the string size in bytes and can be a value from 1 through 8,000 or use max to indicate a column constraint size up to a maximum storage of 2^31-1 bytes (2 GB).

How do I get max length of VARCHAR in SQL?

Use the built-in functions for length and max on the description column: SELECT MAX(LEN(DESC)) FROM table_name; Note that if your table is very large, there can be performance issues.

Does Max work on VARCHAR?

Result of Max() function for the varchar datatype in SQL

Zanzibar is MAX over Sweden. It’s the way they are sorted. its simply returns the last sname in alphabetical order….

How do you select the maximum of mixed string int column?

When we have a table column that is a mix of string and number and want to select the max value of the number part, one way is to exclude the string part, convert the rest to int, and select the max value out of it.

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Why char is faster than varchar?

Searching is faster in CHAR as all the strings are stored at a specified position from the each other, the system doesnot have to search for the end of string. Whereas in VARCHAR the system has to first find the end of string and then go for searching.

How do I find the longest name in SQL?

“how to find shortest and longest name in sql” Code Answer

  1. # IN the example below, “CITY” is the filed, “STATION” is the Table.
  2. (SELECT CITY, LENGTH(CITY)
  3. FROM STATION.
  4. ORDER BY LENGTH(CITY) ASC, CITY ASC LIMIT 1)
  5. UNION.
  6. (SELECT CITY, LENGTH(CITY)
  7. FROM STATION.
  8. ORDER BY.

What will be the SQL query to find the maximum salary for each department?

Notice that Smith and Tom belong to the Engg department and both have the same salary, which is the highest in the Engg department. Hence the query “SELECT DeptID, MAX(Salary) FROM EmpDetails GROUP BY DeptID” will not work since MAX() returns a single value.

DeptID EmpName Salary
Engg Tom 2000
HR Danny 3000
IT John 3000
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