Oracle is a RDBMS (Relational Database Management System) created by Oracle Corporation. It supports a large number of languages and application development frameworks. Its primary languages are SQL, PL/SQL and Java. Also included is support for C (Pro*C, OCI and EXTPROC), C++ (OCCI) and Java (JDBC) ...

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17 views

problem faced while starting up a database in oracle

I have created a database named 'test' in oracle 11g express edition.Now while I am trying to stratup "test" after shutdown of database, by default "XE" is getting started.How I solve this problem?
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0answers
21 views

Oracle Tablespace issue

I'm trying to insert data in a table of an Oracle database.I would like to populate this table continuously by a java program but, after some hours of work, I have this exception: ORA-01691: unable ...
0
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0answers
16 views

What is the cost to create Materialized View log

Recently I ran DBMS_ADVISOR.TUNE_MVIEW and it gives me several lines to CREATE MATERIALIZED VIEW LOG ON "MYSCHEMA"."COMPANY" WITH ROWID CREATE MATERIALIZED VIEW LOG ON "MYSCHEMA"."BOARD" WITH ...
1
vote
1answer
32 views

Performing deltas / diffs over VPN from Oracle to MS SQL database

I have inherited a reporting structure that is quite the Rube Goldberg device. I have a collection of MS Access 2003 databases that I have begun a migration to MS SQL. My current hangup is that we ...
1
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0answers
39 views

How to move 200 materialized views without having to re-create in the new home

I am moving a database with 200 materialized views into a new server. All of them are 'fast refresh' materialized views , means they have corresponding materialized view logs, in this case sitting on ...
0
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0answers
27 views

Apache mod_authn_dba with Oracle on Windows [migrated]

How can I configure Apache to authenticate against Oracle dbms? According to this link Oracle database is natively supported. No additional software required. Loading those modules: LoadModule ...
0
votes
1answer
32 views

Oracle dbms_datapump removes dumpfile after succesful import

I'm working on a PLSQL script to import a Oracle datapump dumpfile using the dbms_datapump package. Each time the script has succesfully imported the contents of the dumpfile I notice that the ...
0
votes
1answer
41 views

Oracle Triggers - Before Update and Before Insert - Separate or Combined?

I'm running Oracle DB 9i. I have a table with various constraints to ensure data integrity. In addition to the constraints, I have triggers on BEFORE INSERT and BEFORE UPDATE to ensure that ...
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votes
1answer
27 views

get average of rating using group by and then finally overall rating . Example below

Table is like: Name Category Rating Movie1 Horror 7 Movie2 Horror 10 Movie3 Horror 4 Movie4 Comedy 6.5 Movie5 Comedy 9 Movie6 comedy 3.5 I ...
0
votes
1answer
38 views

Migration query taking time

I'm doing a migration from Oracle to SQL Server and, for one of the tables where we have 3 million records, it is taking a lot of time to complete. When I check the activity monitor, I can see the a ...
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votes
1answer
38 views

How to fix the SQL from SQL Server to Oracle? [on hold]

There is the SQL using in SQL Server: select l.depart_code, l.depart_name, y.HR_NO, y.HR_NAME, m.PAY_SCOPE, x._per, x._com from psr_main m, hr_depart_data n, hr_depart_data l, (select ...
0
votes
0answers
18 views

oracle emca refusing sys password

I want to reconfigure enterprise manager and change dbcontrol http port but emca is refusing the sys password yet am sure its the correct one am using with sqlplus and even logging onto em db web app. ...
0
votes
1answer
30 views

different outcome based on function execution method

I am mainlining a legacy system and realize that the answer to this may take a deeper explanation of the code but before I go that far I wanted to make sure the solution wasn't something more simple. ...
1
vote
1answer
45 views

On reboot listeners don't start but restarting the service after will start them

when I reboot ubuntu the listener service comes up but it doesn't seem to have any listeners lsnrctl status LSNRCTL for Linux: Version 11.2.0.2.0 - Production on 24-JUL-2014 15:34:43 Copyright (c) ...
1
vote
1answer
32 views

How to verify that a certain commit has been transmitted to standby

Scenario: Oracle Data guard 12c with 1 primary and 1 standby, Max. Av. protection mode Primary open, standby mounted (all green in OEM) Perform a dummy CTAS in primary Question: Without opening ...
1
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2answers
56 views

How to construct a set-based query for subset problem?

I have a DB of the following structure (picture shows simplified version) How should I construct a query to get only those recipees, that can be cooked, i.e. for each ingredient in a receipe ...
1
vote
2answers
37 views

Optimize rows to columns conversion

I have a big Oracle table (around 40 million rows) that looks like this: ID Name Question Answer Reason 3 Name1 1 Yes blah blah 3 Name1 2 No NA 3 Name1 3 ...
0
votes
1answer
30 views

Copying a table in SQL Server database to Oracle database

I am new to database management. I need to copy a particular table "Attendance" in SQL Server database to Oracle database. There is no connection between the two databases. Also, "Attendance" is ...
0
votes
2answers
30 views

Update the other columns which are for to have minimum of other 2 columns , difference between 2 columns , and others

I am working on data in oracle 11g as below : subscriber_id | count_s | count_t | min_count | diff | negative_diff | positive_diff 137606401 3 3 3 0 ...
0
votes
2answers
34 views

Modifying a part (one procedure) in oracle database package

Is it possible to modify an individual procedure inside an Oracle DB Package? instead of recreating (modification is not done using a SQL editor, so cannot modify a place and easily recompile the ...
1
vote
2answers
49 views

Aggregate function / query in Oracle 11g

I am working in Oracle 11g. I have been racking my brain all day trying to figure out how to write a particular SQL statement (am a Java/.NET Developer, would not consider myself a SQL expert) I ...
2
votes
1answer
36 views

Oracle 10.1 to 10.2

I'm trying to move an Oracle 10g database from 10.1.0.5 running on W2K Server to 10.2.0.5 running on a Windows x64 install (either Win 7 or 2008 R2). I can't upgrade the source server, so I can't ...
0
votes
0answers
30 views

Package body created with compilation errors [closed]

I run it in sql*plus but always get this message: Warning: Package created with compilation errors. CREATE OR REPLACE PACKAGE BODY Admission_pkg IS ID_Var Tbl_Dept_Info.Dept_Id%type; ...
1
vote
1answer
62 views

Oracle RAC concept

This might be a dump question, but I've been reading so much different things, that I'm not sure anymore. I tried to understand the concept of the Oracle RAC, so I've been reading the datasheet form ...
3
votes
3answers
174 views

Nested table as condition prevents using index

The following query joining a subquery does a TABLE ACCESS FULL when the master-table uses nested table as condition. When the condition is a simple =, the same query does an INDEX RANGE SCAN as ...
0
votes
2answers
66 views

Difference Between SELECT and select in oracle sql

The algorithm used to find SQL in the library cache is based on the ASCII values of the characters that make up the statement. Means The SELECT instead of select statement will be parsed again ...
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votes
3answers
39 views

Trouble quering a join in oracle sql

Theres a question on an exercise which asks me to write an SQL statement to show the SKU, SKU_Description, WarehouseID for all items stored in a warehouse managed by ‘Lucille Smith’. I have to use a ...
0
votes
0answers
68 views

execute .sql script inside an anonymous pl/sql block which is invoked by a shell script

I got a shell script which connects to SQLPLUS and executes the .sql file like below: read a x=`echo $a | cut -d , -f 1` y=`echo $a | sed 's/.*,//'` c=`echo $USER | cut -c -2`"OPR"`echo $USER | ...
0
votes
3answers
62 views

Oracle Export using EXPDP gives ORA-06512 SYS.UTL_FILE error on Windows 7

I am using Oracle 11g and want to export a table using below statement C:\>expdp SYS/sys@MYDATABASE DIRECTORY = Mydir DUMPFILE = Customer.dmp LOGFILE = Customer.log TABLES = PERSON.CUSTOMER ...
1
vote
0answers
23 views

Specifying Oracle Service Name in UNIX Profile

Is there any way we can specify Oracle Service Name in UNIX Profile? I know that there is an environment variable ORACLE_SID for specifying SID in the Profile, But how about service name? If there ...
0
votes
2answers
42 views

Dynamic permissions

I have a application that creates tables in one user's schema and another user needs to be able to use the dynamically created tables. Example: Application creates User1.RandomTable User2 needs ...
0
votes
0answers
27 views

Oracle service names with a minus sign (?)

Are there any reasons not to use minus signs/dashes/hyphens in Oracle service names? DBMS_SERVICE, tnsping and sqlplus seem to be fine, but the documentation says no. We are switching from Oracle ...
1
vote
3answers
60 views

Remove ORA-01100:DATABASE ALREADY MOUNTED

I am using Oracle 11g and there is a database create during installation name "xyz" and user "xyz".Now i created a user 'abc' and gave following permission to abc. "CREATE SESSION, ALTER SESSION, ...
0
votes
3answers
26 views

What is the EXPORT privilege on ORACLE

I have created a user say A. I want to export some of my schemas using A user. For example, I have B and C users. I want to export B schemas using A user. Which grant do I have to use? I am using ...
1
vote
2answers
31 views

Aggregating on a repeated group

In a current report, I'm trying to track the migration of a person from department n, to n+1, or to n+k. My data is split into a row per term (university data). An example: dept | term ...
1
vote
2answers
19 views

Update row where associated row does not exist

Given the table named ROLE: role_id[PK] NUMBER role_name VARCHAR2 Using only SQL (no PL/SQL) how would I write a MERGE (or UPDATE?) statement that would update the role_name as below, but only ...
0
votes
1answer
30 views

Output another word instead of the word in the table in a query

Suppose I have a table where I have a field which can have to values: "enabled" and "disabled". Suppose want my query to output "unblocked" instead of "enabled" and "blocked" instead of "disabled". ...
0
votes
1answer
30 views

Migrating stored procedure from Sybase to Oracle having temporary tables

I am migrating a few stored procedures from Sybase to Oracle using Oracle Developer tool. The tool migrates alomost 70%-80% of the stored procedures except a few cases where there is a temporary table ...
1
vote
1answer
99 views

Why is this second query more expensive than the first?

While reading Graph Databases book, I came across this excerpt: I can't figure out why the second query is more expensive than the first. Indeed, both filter on the Bob person. May anyone ...
0
votes
2answers
40 views

Getting error while running dbca command as oracle user on linux, please help me on this

could someone please help me on the below error to get ride of it: [oracle@localhost ~]$ dbca UnsatisfiedLinkError exception loading native library: njni11 java.lang.UnsatisfiedLinkError: ...
0
votes
1answer
35 views

Oracle average active sessions high threshold

I am trying make sense of the DB load from the AWR report for a period handed over to me by DBA. Researching a bit, I see the "Average active sessions" is a metric widely used to measure DB load. It ...
0
votes
1answer
50 views

Table statistics on database

Is there any way that I could find how many tables has statistics on them,and how many tables which doesn't have statistics on them.
1
vote
1answer
42 views

Pass the unix variable to the ddl command inside a pl/sql block

I would like to create a db link dynamically, using the input given in the unix session. i.e. the remote db name and db instance would be given by the user, in unix, which are VAR1 and VAR2. Now, from ...
0
votes
0answers
37 views

question on oracle query performance/tuning

we have a query with large union all with a lot of tables. If that query gets hung up, it will hold up alter statements on those tables we should break the query up into individual ones to minimize ...
0
votes
1answer
26 views

Oracle 11g not allowing to connect to. Error ORA-01122: database file 1 failed verification check

I am running Oracle 11g on Windows 7 Enterprise SP2 16 GB RAM, 1 TB HD. I can connect to Oracle using SQL Plus (see below), C:>sqlplus sys/xxxxxxxxx@XE as sysdba SQL*Plus: Release 11.2.0.1.0 ...
0
votes
1answer
24 views

What is a construct in Oracle?

I'm currently studying Oracle Architecture and Database Memory Structures. I'm a newbie in the subject and I just read that a "Shared Pool" is "a data structure that caches various constructs that can ...
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votes
1answer
40 views

Can I install MySql and Oracle 10g both Databases in same machine? [closed]

I have MySql Installed in my windows 7 machine and PHP on IIS. Now i need Oracle 10g anyway.I'm having king of dilemma to install Oracle 10g. If i can do so please suggest necessary steps and ...
0
votes
1answer
43 views

Cannot remotely connect to oracle express

I have installed Oracle Express in a oracle-6.5-x64 virtual machine (let's called it host). The installation went fine, I am able to connect and run commands using SQLPlus from the host. Now I'm ...
0
votes
0answers
32 views

Multiple rows to single row diff column

I have the following data: customerid ID_number 123 a1112 123 a1113 And my desired output is: 123 a112 a113 How can I accomplish that?
0
votes
1answer
24 views

Java-Hibernate-Oracle: Can a fluctuating DB connection duplicate insert statement?

  Is it possible that a fluctuating DB connection causes insert statement to execute multiple times? Thanks