Tagged Questions
0
votes
2answers
423 views
“ORA-01017: invalid username/password” : Why is that?
What is the difference between the two :
SQLPLUS / AS SYSDBA
and
SQLPLUS
Enter user-name: SYSDBA
Enter password:
If I use the first command I get connected and see the prompt SQL> but upon ...
2
votes
1answer
95 views
Oracle start database with incorrect password
I have a question regarding starting oracle database with in correct sys password.
I have provided incorrect password for sys user and I am still able to start database and execute statements. So ...
1
vote
1answer
631 views
Error calling stored procedure from trigger in Oracle Database 11g
I'm trying to create a trigger that calls some Java code whenever a table is inserted/updated. I'm aware of possible performance issues, I don't need advice that I should not do this; I just need to ...
4
votes
3answers
4k views
Execute a script with SQLPlus containing blanks, semi-colons, and forward slashes
Occasionally I will get a script that will run fine in SQL Developer or Toad, but requires modification in order to be run successfully from SQL*Plus. Here is a worst case example containing multiple ...
1
vote
2answers
6k views
Oracle11.2g post-installation problem on Oracle Linux kernel
[question copied from stackoverflow]
After installation of Oracle 11.2g in silent mode on the Oracle Linux kernel, I have the following error:
[u01/app/oracle/product/11/bin] $ sqlplus
sqlplus ...
2
votes
2answers
2k views
Why can't we specify group functions in Oracle in the where clause?
SQL> desc tab1
Name Null? Type
----------------------------------------- -------- ----------------------------
ID ...
3
votes
2answers
201 views
How to create a user with a particular user_id?
Is it possible to specify the user_id of a user while creating it?
SQL> create user user1 identified by user1;
User created.
SQL> select user_id, username from all_users where ...
6
votes
3answers
2k views
How to differentiate between SQL and PL/SQL?
I know the question might sound too stupid, but I never understood this part.
SQL*Plus works with both SQL and
PL/SQL. How do I know whether some
code is SQL or PL/SQL? If my code has
a for ...
4
votes
1answer
516 views
What is the difference between these two create table statements?
a)
SQL> CREATE TABLE xml_tab1(poDoc XMLTYPE);
Table created.
SQL> desc xml_tab1;
Name Null? Type
----------------------------------------- -------- ...
12
votes
4answers
992 views
What is the significance of a semicolon at the end of SQL*Plus commands?
Some statements like create table, insert into etc take a semicolon at the end:
CREATE TABLE employees_demo
( employee_id NUMBER(6)
, first_name VARCHAR2(20)
, last_name ...
