Quick Answer: How do you find the number of characters in a string in SQL?

How do I count characters in a string in SQL?

Using SQL LENGTH Function to Get String Length

  1. LENGTH(string)
  2. SELECT LENGTH(‘SQL’);
  3. length ——– 3 (1 row)
  4. SELECT employee_id, CONCAT(first_name, ‘ ‘, last_name) AS full_name, LENGTH(CONCAT(first_name, ‘ ‘, last_name)) AS len FROM employees ORDER BY len DESC LIMIT 5;

How do you find the longest and shortest string in SQL?

“how to find shortest and longest string 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.

How do I get maximum length of a string 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.

How do I count counts in SQL query?

SQL COUNT() Function

  1. SQL COUNT(column_name) Syntax. The COUNT(column_name) function returns the number of values (NULL values will not be counted) of the specified column: …
  2. SQL COUNT(*) Syntax. The COUNT(*) function returns the number of records in a table: …
  3. SQL COUNT(DISTINCT column_name) Syntax.
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How do I count 1 in SQL?

1 Answer

  1. SELECT user_id ,COUNT(*) count.
  2. FROM PAYMENT.
  3. GROUP BY account,user_id ,date.
  4. Having COUNT(*) > 1.

How do I count rows in SQL?

To counts all of the rows in a table, whether they contain NULL values or not, use COUNT(*). That form of the COUNT() function basically returns the number of rows in a result set returned by a SELECT statement.

How do I get the shortest string in SQL?

The shortest firstName :

(SELECT min(len()) FROM ) ; Example : SELECT TOP 1 * FROM friends WHERE len(firstName) = (SELECT min(len(firstName)) FROM friends);

How do I find the longest word in SQL?

This will return the number 14. To work out the length of the largest string in a MySQL table, combine the LENGTH() and MAX() functions together like so: SELECT MAX(LENGTH(field_to_query)) FROM table_to_query; where “field_to_query” is the fieldname you want to query and table_to_query is the table.

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