PL/SQL :: Finding Column Name In Database?

Sep 17, 2012

I'm sure one of the databases we keep has a column called UNIT_PRICE, is there a way for me to get Oracle SQL Developer find all databases with columns named that?

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SQL & PL/SQL :: Finding Duplicate Only Records In More Than One Column?

Dec 16, 2010

I am trying to write SQL which finds records which are duplicated in more than one column.

Requirement : When ever i have duplicates in Col2 and Col3 both i need that record...

My Source table:

COL1COL2COL3COL4
163kg87
263fh87
1ab23
2ab24
3cd98
4fg87
5xy77
6xy67

Desired Output

COL1COL2COL3COL4
1ab23
2ab24
5xy77
6xy67

For Table generation

CREATE TABLE TEMP_TEST
(
COL1 NUMBER,
COL2 VARCHAR2(10 BYTE),
COL3 VARCHAR2(10 BYTE),
COL4 NUMBER
)

Insert statements

Insert into TEMP_TEST
(COL1, COL2, COL3, COL4)
Values
(163, 'k', 'g', 87);
Insert into TEMP_TEST
(COL1, COL2, COL3, COL4)
Values

[code]....

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PL/SQL :: Finding Length Of CLOB Column

Jul 11, 2012

I had a varchar2 variable which was storing some data and I could use the LENGTH function to get the length of the data. However, If I change it to CLOB. What is the best way to get the length?

v_clob_size:= (DBMS_LOB.getlength(v_clob)) / 1024 / 1024;
DBMS_OUTPUT.put_line('CLOB Size ' || v_clob_size);

another one is
LENGTHB(TO_CHAR(SUBSTR(<clob-column>,1,4000))) But this seems restricted to first 4000 characters only.

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SQL & PL/SQL :: Finding Out If A Table Column Has Special Characters

Jul 15, 2010

I have this table column of varchar2 data type. I need to find out if it contains anything other than numbers or alphabets(basically to see if it contains any special characters in it).

I just need to fetch only those rows that has special characters. How do I get this?

CREATE TABLE CHECK_SPL_CHARAC
(ADDRESS VARCHAR2(100));

INSERT INTO CHECK_SPL_CHARAC VALUES ('ABC%ABC');
INSERT INTO CHECK_SPL_CHARACVALUES ('ABC_ABC');
INSERT INTO CHECK_SPL_CHARAC VALUES ('ABC?ABC');
INSERT INTO CHECK_SPL_CHARAC VALUES ('ABC*ABC');
INSERT INTO CHECK_SPL_CHARAC VALUES ('1234');
INSERT INTO CHECK_SPL_CHARAC VALUES ('ABC');
INSERT INTO CHECK_SPL_CHARAC VALUES ('AB C');
INSERT INTO CHECK_SPL_CHARAC VALUES ('12 34');
COMMIT;

I need to get the first 4 rows alone in the sql output. I do not wan to get the last 2 rows with space.

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Server Administration :: Finding Failed Login Attempts In Database?

Aug 24, 2010

how can I find out the number of login attempts made by a user in the database and the timings of the attempt

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Server Utilities :: Finding Versions Of Exp And Imp Utilities Of Database Server?

Feb 23, 2012

how to find the versions of exp and imp utilities of database server from windows command prompt?

Note: Currently i have 10.2.0.10 oracle software installed on my local machine.

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PL/SQL :: Finding The Max Value

Jun 19, 2013

I have the following query where i need to find the max value[code]  with t as 

(   select 'L1' R_nm ,'Data' R_Data , 'Obj' R_Obj , 'Wd' r_prec , '2' val 
from dual   union all   select 'L1' , 'Data', 'Obj' , 'No', '4'
from dualunion all   select 'L2' , 'Data', 'Obj' , 'No', '4' from dual )  
select t.*, max(val) over(partition by r_nm,r_data,r_obj)  rk from t[/code] 

My expected output should be
[code]

r_nm    r_data     r_obj   r_prec   val     rkL1        Data         Obj     Wd       2       1L1        Data         Obj     No       4        2L2        Data         Obj     Yes      1       1

[/code]

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SQL & PL/SQL :: Not Finding The Foreign Key?

Dec 4, 2011

I'm not really sure why oracle is not finding my Foreing Key, I'm creating an easy set of table for a company and I'm declaring all Primary keys and foreing keys as necessary and this is my

CREATE TABLE Items
(ItemID NUMBER(5) NOT NULL,
Description VARCHAR2(30),
ListPrice NUMBER(9,2) NOT NULL,
QtyOnHand Number(5),
ReorderPoint NUMBER(3),
ReorderQty NUMBER(3),
OnBackOrder Number(3),
CONSTRAINT ItemsPK

[Code] ............

There's three sets of inserts the first two successfully inserts the data NO problem but when i try to insert the data on SupplierItems comes as:

ERROR at line 1:
ORA-02291: integrity constraint (jcarter.SUPPLIERITEMSFK2) violated - parent key not found

I looked on the forum and it appears this happens when someone is doing a Insert ALL but this is not my case..

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PL/SQL :: Finding ID Max (salary)

Oct 31, 2012

Select * from one:

ID SALARY
----------------------
10 1000
20 2000
30 3200

Select * from two:

ID SALARY
----------------------
10     1000
20     2000
40     4000
10     3000
20     4000
30     3000

When i try to find ID,MAX(SALARY) from these two tables, i am getting this output:

Select id,max(salary)
from
(select * from one
union
select * from two)
group by id
order by max(salary) desc;

OUTPUT:

ID MAX(SALARY)
--------------------------------------
20     4000
40     4000
30     3200
10     3000

I want OUTPUT to be like this:

ID MAX(SALARY)
--------------------------------------
20     4000
40     4000

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Finding 10 Most Recent Missions

Jun 23, 2008

What i have is table with:

mission_id, mission_type_id, security_level and code_name.

What i have to do is get the 10 most recent missions and change their security level to the highest one in their mission_type_id but ONLY if code_name length is >7

So far I have this, the problem is that the oracle moans about the order and wants me to close the bracket before the order

sql

UPDATE missions m
SET m.security_level = (
SELECT max(m2.security_level)
FROM missions m2
WHERE m2.mission_type_id = m.mission_type_id
AND length(m2.code_name) > 7
)
WHERE m.mission_ID IN (
Select m3.mission_id
From missions m3
ORDER BY m3.mission_id desc)

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Finding Alert Log File

Dec 23, 2011

How can i come to know that which current alert log file is being used for database? Is their a command at database level to find out the current alert log file to which database is using ?

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Finding Primary Key In A Table?

Oct 4, 2007

Whats the command to show the name of the primary key in a table using oracle sql plus?

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Finding Unused Index

Nov 3, 2008

I have read and used the AWR script (mentioned in the page Finding unused index for finding unused customised (Z) indexes in our SAP system using oracle 10.2.0.2 as the SAP database.

But this returns no rows. Is there any precondition? I want to know how much / many times the indexes are used...We are smelling that lot of unused index are there in the database.

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Finding Permission Tables

May 30, 2011

How to find the list of tables which has permission select only and tables which has both read and write access permission for a particular user.

I'm using ORACLE database.

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SQL & PL/SQL :: Finding The Difference Between IN And EXIST?

Nov 22, 2011

finding the difference between IN and EXIST.

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SQL & PL/SQL :: Finding Session IDs Initiated By Particular Job

Feb 7, 2012

I want to track the session id that has been initiated by a particular job (I have job ids with me). Which dictionary views I can get this result.

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SQL & PL/SQL :: Finding Values In A Range?

Nov 1, 2011

@test.sql
accept 1 num prompt 'enter begin value '
accept 2 num prompt 'enter end value '

Need to display all values between the above given inputs.
No tables involved.
Need SQL level solution in version 8i.

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SQL & PL/SQL :: Finding Duplicate Records

May 20, 2010

i have table with name, count, flag with dublicate records

example

with swayam name , counts are 3, 4
with ramana name, counts are 5,5
with reddy name, counts are 1,2,3

i want to update the flag

if count are same then update one of record (flag='A') and other should be flag='R'
if count are different then update the max count (flag='A') and other should be reject remaing (flag='R'). use below quires

CREATE TABLE TEST_DUB ( NAME VARCHAR2(99), V_COUNT NUMBER, FLAG VARCHAR2(1));

Insert into TEST_DUB (NAME, V_COUNT)
Values
('SWAYAM', 3);
Insert into TEST_DUB
(NAME, V_COUNT)
Values

[Code]....

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SQL & PL/SQL :: Finding The Corresponding Index Partition?

Aug 1, 2012

I have a partitioned tables and local partitioned index on the same.

I want to know that a particular index partition belong to which table partition.

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SQL & PL/SQL :: Finding Value Of Bits From Hex Number?

Jan 12, 2012

Version : Oracle Database 11g Enterprise Edition Release 11.2.0.1.0 - 64bit Production

I have a source which is of datatype RAW(1). Basic requirement is to convert it into binary, and then lookup the value of the 4th and 6th bit. Is this possible using simple SQL ?

Eg.

DataBinary
----- -------
EF1110 1111

From this binary output, i need to find the value of 4th and 5th bit.
So if the 4th bit is 1, I need to perform some operations if 0 then some other.

Create table test_hex_to_bin (col1 raw(1));

INSERT into test_hex_to_bin values ('99');
INSERT into test_hex_to_bin values ('EF');
INSERT into test_hex_to_bin values ('AB');

Basically the output should read as

Bit_number Value
----------------
4 1
5 0

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SQL & PL/SQL :: Mac Address Finding Using Oracle

Sep 26, 2011

we can find the IP address in V$session table. Is it possible to find the mac address of user's computer?

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Finding Correct DB Process?

Feb 7, 2013

1. I have 6 data bases, one process is running slowly, how do you find which data base that process belongs to?

2. I have 6 data bases, only one data base we have ASM instance, how do you find which data base has ASM?

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SQL & PL/SQL :: Finding Double Vowels

Dec 14, 2010

I am reading Section 4-8 (page 42/216) in the Oracle Database 2-day Developer Guide from here:

[Code]....

It reads:

Suppose that you want to select every employee whose last name has a double vowel(two adjacent occurrences of the same vowel).

Example 4.9 shows how you can do this.

The regular expression ([AEIOU]) represents any vowel. The metacharacter 1 represents the first (and in this case, only) regular expression. The third function parameter, 'i', specifies that the match is case-insensitive.

Example 4.9 Selecting All Employees Whose Last Names Have Double Vowels

SELECT FIRST_NAME, LAST_NAME
FROM EMPLOYEES
WHERE REGEXP_LIKE(LAST_NAME, '([AEIOU])1', 'i');

Result is similar to:

FIRST_NAME LAST_NAME
-------------------- -------------------------
Harrison Bloom
Lex De Haan
Kevin Feeney
Ki Gee
Nancy Greenberg
Danielle Greene
Alexander Khoo
David Lee

8 rows selected.

I don't understand how [AEIOU])1 would find a double vowel(two adjacent occurrences of the same vowel).

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SQL & PL/SQL :: Finding The Cost Of Query

Sep 2, 2010

I am using oracle 10g, i want to know the cost of query. In the explain plan and by auto trace am able to get some query cost, but i dont know how to calculate the query cost.

How i will know the query is costly and take more time..? But i know about the hash table and nested tables in the explain plan.
Other than this how to calculate the query cost..?

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SQL & PL/SQL :: Finding A String With Different Substrings?

Mar 28, 2012

I tried this query .. but no luck / I know it has some errors

SQL> select invoice_num from ap_invoices_all where rownum < 10 and invoice_num in ('%1%','%2%');

no rows selected

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PL/SQL :: Finding Table_name Or Column_name

Jan 15, 2013

I have inserted through frontend which is ORACLE ADF and if i want to see those inserted data's in a table then how to check it when i dont know the table names and if there are large number of tables available.. Its I need a solution in this way as i know the values of fields so by giving values alone I want to fetch the table and column names as wherever this values are present...I am already aware about user_tab_columns and user_tables or all_tables .. So i want to try through fetching of tables or column names though values or data's as reference ...

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Forms :: Finding Data

Jan 26, 2010

I have simple table:

code = CHAR(5) as primary key
name = VARCHAR2(bla blal ba)

There is one-block-form based on this table. Block's datasource type = table and datatarget type = pl/sql procedure

Table API, Module API - all generated, all valid and seems correct. Now.. I try to update "name" from form. As soon as I type in something in the field, I get message "Row no longer exists". When digging deeper it seems that problem raises from lock_prodecure:

DECLARE
bk_data CGC$CL_1_9_DKD.cgc$rec_tab;
BEGIN
PLSQL_TABLE.POPULATE_TABLE(bk_data, 'DKD', PLSQL_TABLE.LOCK_RECORDS);
CGC$CL_1_9_DKD.lck(bk_data);
END;

It seems, it has some problems on populating the "code" attribute in bk_data.

how to solve this problem without massive re-coding??.

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SQL & PL/SQL :: Finding UNIQUE Combination

Oct 4, 2012

I have contents like below:

BREAD,BISCUIT
BREAD,MILK,BISCUIT
COKE,MILK
MILK,SUGAR

Now combination from each row will be like below (Just for understanding):

BREAD,BISCUIT --> [COMBINATION] {BISCUIT} {BREAD} {BISCUIT,BREAD}
BREAD,MILK,BISCUIT --> [COMBINATION] {BISCUIT} {BREAD} {MILK} {BISCUIT,BREAD} {BISCUIT,MILK} {BREAD,MILK} {BISCUIT,BREAD,MILK}
COKE,MILK --> [COMBINATION] {COKE} {MILK} {COKE,MILK}
MILK,SUGAR --> [COMBINATION] {MILK} {SUGAR} {MILK,SUGAR}

Now the ultimate aim is to find unique combinations (even if the same combination is present in different rows, we have to consider it as one combination), along with its frequency, result will be like below:

BISCUIT [occurence in 2 transactions and total 4 transactions] = 2/4 = .5
BREAD [occurence in 2 transactions and total 4 transactions] = 2/4 = .5
COKE [occurence in 1 transactions and total 4 transactions] = 2/4 = .25
MILK = 3/4 = .75

[Code]....

writing query to find unique combination like above? What I have tried is as below:

create table test (row_no number, col_no number, item varchar2(50))
/

insert into test values (1,1,'BREAD');
insert into test values (1,2,'BISCUIT');
insert into test values (2,1,'BREAD');

[Code]....

But I am not able to form the exact query. let me know if this can't be done through a single query.

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Finding Correlation Using Derived Columns?

May 13, 2007

I want to use the aggregate CORR_S function which take two numerical columns and output the correlation between them. Assuming I have the table:

Employee(name, gender, salary) where I want to create two derived columns, how would I do it?

Like,
-------------------
SELECT CORR_S(
SELECT salary
FROM employees
WHERE salary < 10000,
SELECT salary
FROM employees
WHERE salary > 10000
) as correlation
FROM employees
---------------------

It will find the correlation between salary's less than $10,000 in one column and salary's more than $10,000 in another column. Of course, I get an error when running the query. It's no problem if I use CORR_S(salary, salary) but I want to use derived columns, is it possible? Or, will I need to create a new table view with two new columns CORR_S(lowSalary, highSalary)?

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Finding Time Between Last Two Redolog Switches?

Sep 6, 2010

how to find the time between the last two redolog switches?

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