Get first 3 letters in sql

-- substr(string, start, [, length ])
SELECT substr('Hello World', 1, 3) ;      -- Hel
SELECT substr('Hello World', 4, 5) ;      -- lo Wo
SELECT substr('Hello World', 4);          -- lo World
SELECT substr('Hello World', -3);         -- rld

Get first 3 letters in sql

SELECT FIRST_NAME ,  SUBSTR(FIRST_NAME, 1 , 3 ) , LENGTH(FIRST_NAME)
FROM EMPLOYEES ;

Similar codes

11 votes160 views3 answers
How to get last row of table in sql
SQL
4 votes177 views2 answers
Dbms output
SQL
6 votes152 views6 answers
Count mysql
SQL
5 votes159 views3 answers
Truncate function in sql oracle
SQL
0 vote166 views1 answer
Mysqli_connect using prepare statement
SQL
1 vote187 views1 answer
Count of tables in database mysql
SQL
0 vote151 views2 answers
Postgres default user
SQL
4 votes152 views2 answers
Linq join
SQL
0 vote153 views1 answer
Create synonym for dblink in oracle
SQL
3 votes115 views1 answer
System.debug apex
SQL