Command-Line Utility Program for Oracle

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8
votes
3answers
5k 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
780 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 ----------------------------------------- -------- ...
0
votes
2answers
6k 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 ...