Thursday, 4 May 2017

HOW TO WRITE BASIC SELECT STATEMENT TO RETRIEVE DATA IN ORACLE SQL


SELECTNG DATA:
SYNTAX: Select * from <table_name>; (Note: Here * indicates all columns) or
Select col1, col2, … coln from <table_name>;
Ex:  
select * from student;
Output:
NO
NAME
MARKS
1
Visu
100
2
Vasu
200
3
Manoj
300
4
Aisu
400
5
Mohan
500
6
Manvi
600
7
Namu
500
8
Susu
300
9
Thanu
200
10
AJ
100
11
MK
(null)
12
MD
(null)
   
SELECT NO, NAME FROM STUDENT;

NO
NAME
1
Visu
2
Vasu
3
Manoj
4
Aisu
5
Mohan
6
Manvi
7
Namu
8
Susu
9
Thanu
10
AJ
11
MK
12
MD

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