1) Arithmetic Operators " + ", " - ", " * " , " / " 2) Relational Operators >, < , = , >=, <=, !=, <> 3) Logical Operator and , not , or 4) Special Operators in, not in , between, not between, is null, is not null, like , not like Functions 1) Arithmetic 2) Character 3) Date function 4) Group Functions 5) General Functions Arithmetic 1) abs(n) 2) power(m,n) 3) sqrt(n) 4) mod(m,n) 5) ln(n) 6) log (m,n) 7) sin(n),cos(n) 8) exp(n) 9) round(m,n) nearest rounding figure 10) trunc(m,n) exact figure 11) ceil(n) 12) floor(n) 13) sign(n) General 1) initcap(s) 2) uppoer(s) 3) lower(s) 4) length(s) 5) reverse(s) 6) ascii(c) 7) chr(n) 8) cpad(s,n,c) 9) rpad(s,n,c) 10) ltrim(s,c) 11) rtrum(s,c) 12) substring(s,m,n) 13) instr(s,c,m,n) 14) concat(s1,s2) 15) replace(s,c1,c2) Character functions select lpad('Rahul',10,'*') from dual; => *****Rahul select lpad('Rahul,10,'?') from dual => ?????Rahul select rpad('Rahul',10,'#') from dual => Rahul#### select ltrim(' rahul') from dual => rahul; select rtrim('rahul ') fromdual => rahul; select rtrim('ramsss,'s') from dual => ram; select substr('ramkumar',1,3) from dual => ram; select instr('ANAND','A',1,2) from dual => 3, gives the position of A starting from 1st occurrence. select concat('oracle','10g') from dual; => oracle10g select 'oracle' || '10g' from dual; => oracle10g select replace('jack and jue', 'j','bl') => black and blue; |
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