3
votes
2answers
1k views

A database in MySQL is a schema in Oracle : I do not understand this statement

Please help me understand this statement: A database in MySQL is a schema in Oracle. I have just started to use Oracle and I find it different from other RDBMS softwares I have used like MSSQL, ...
4
votes
3answers
552 views

STARTUP command fails : Why is that?

I just installed Oracle Database Express Edition 11g Release 2.This is the first time I am using Oracle. Earlier I have used MySql and MSSql and I bet this one is a lot different ! These are the ...
9
votes
1answer
1k views

Commit vs Fast Commit vs Commit Cleanout in Oracle Database

I was wondering whether someone could verify my understanding regarding the differences between those 3 terms as pertaining to Oracle Databases. Many sources confuse these terms and do not explain ...
7
votes
2answers
348 views

How to modify an update in Oracle so it performs faster?

I have this query: UPDATE ( SELECT h.valid_through_dt, h.LAST_UPDATE_TMSTMP FROM ETL_FEE_SCH_TMP d, FEE_SCHEDULE_HISTORICAL h WHERE h.FUND_ID = d.FUND_ID AND ...
1
vote
1answer
268 views

file not found - how to remove its configuration?

I run oracle 10.2.0.5. I have the following: SQL> select file#, status, error, recover, tablespace_name, name 2 from v$datafile_header 3 where recover='YES' 4 or (RECOVER IS NULL AND ...
0
votes
1answer
388 views

which DBMS should i go for? [closed]

I am interested in learning a DBMS. As a beginner which DBMS should i go for ? I know few DBMS by name like Oracle,Sql Server,My Sql . How are these DBMS different from each other ? As a beginner ...
1
vote
1answer
198 views

Is there an Oracle rdbms monitoring API?

We have about a thousand customers with our application installed out of which 500 have an oracle database. Monitoring the database is only one of the requirements. Installing Oracle Enterprise ...
0
votes
4answers
5k views

What's a good client tool to access Oracle RDBMS? [closed]

I'm looking for a good client tool to replace "Oracle SQL Developer" (the tool I currently use) which supports: Oracle DB 10g, 10gR2, 11g Running SQL code Debugging SQL code (with walk-through... ...