@@identity equivalent in oracle
Oracle uses sequences to generate unique values for identity columns. You can access the current identity value and the next value in SQL via these pseudocolumns :
-
CURRVAL
: Returns the current value of a sequence -
NEXTVAL
: Increments the sequence and returns the next value
CURRVAL
and NEXTVAL
have to associated with a sequence. For example myTable_seq.CURRVAL
or myTable_seq
.NEXTVAL
.Connect to Oracle XE server from Oracle.DataAccess.Client
Here is the connection string to connect to an Oracle XE server:
"Data Source=//SERVERNAME/XE;" +
"User ID=USERNAME;" +
"Password=PASSWORD;";
Executing Multiple Inserts in Oracle
If you are inserting multiple inserts via a .net application you will need to format your inserts like so:
"begin insert into Task values(11,'tname');insert into
Task values(12,'tname');insert into Task values(13,'tname');insert into
Task values(14,'tname');end;";
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