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Oracle PL/SQL Technology blog 
create table library(sid number not null,bid number not null,tdate varchar2(40),rdate varchar2(40),constraint fk_lib foreign key library(sid,bid)references (student.sid,book.bid))
create table library(sid number not null,bid number not null,tdate varchar2(40),rdate varchar2(40),constraint fk_lib foreign key library(sid,bid)references (student.sid,book.bid))
i got error of ORA-00906: missing left parenthesis .how can i solve it
Foreign composite key cannot be with multiple tables. Also syntax is wrong
a table having duplicate records like 1,2,3,1,2,3,1,2,3,1,2,3,1,2,3….
i want keep unique records in same table and duplicate value should be inserted into another table.
How 2 find 1st or last row of a table
Using rownum, row_number (), rank ()
could you pls post some articles om SQL performance tuning
Sure. I am planning…
hi ,
You have given simple tool to debug the code.
Could you pls tell me how debug package using your simple tool .
Please provide me some example
how to create abstract data type in oracle ?
use types in oracle
when should I go for procedure or function in PL/SQL?
In short, when you need a return value to the caller and can be callable from sql( with some restrictions) use function. (This may not be true in all situations, but mostly)
thank u sir..when will you start perfrmance tuning sessins sir..please do asap sir,its my humble request to u sir
Hello sir.i am fresher but am interested in your job my colification bca plesss let me ans
Please ! Can I get more articles on performance tuning and testing the code