--insert into t1(col1, col2, flag) values(1, 'a', 'Y');
--insert into t1(col1, col2, flag) values(2, 'b', 'N');
SELECT *
FROM t1 x
WHERE col1 = 1 AND col2 = 'a' -------------- condition1
AND 0 = -------------- condition2
NVL (
(SELECT COUNT (1)
FROM t1 y
WHERE y.flag = 'N'
AND x.col1 = y.col1
AND x.col2 = y.col2),0)--=0
When remove NVL function or change the condition by having AND NVL(SELECT) =0 the query working fine.
I am using Pro*C/C++ Release 10.2.0.2 in HP-UX. But Pro*C/C++ application was written long back during oracle release 8. Now we are facing a problem like EXEC SELECT query is not fetching the records even though record is present in DATABASE.
This is not happening every time. This problem starts happening only after heavy use of the unix process.
For every request, unix process will fetch the record and updates the same at the end and process goes to wait mode to get the request again. Let say after 50 request, process is returned with no rows found error.
It started working fine only after restarting the process and problem starts again after 50th or 60th request. This problem we are facing only after upgrade to 10g.
I have 3 tables, Emp(Emp_id,emp_name),dept(dept_no,dept_name),emp_dept(emp_id,dept_no). Emp tabl ehas some 20 employes id who belongs to different departments.There are few employee who belongs to multiple departments as well. I want to fetch records of emp_id, emp_name, dept_no in the following format.
We are trying insert records from a select query into temporary table, some of the records is missing in the temporary table. The select statement is having multiple joins and union all which it little complex query. In simple terms the script contains 2 part 1st Part Insert in to temporary table 2nd part Select query with multiple joins, inline sub queries, unions and group by classes and conditions Eg. If we execute select statement alone it returns some count for example => 60000 After inserting into the temp table, in temp table the count is around 42000 why is the difference?
It is simple bulk inserts... insert in to temp table select * from xxx. also, there is no commit in between. The problem is all the records populated by the select statement are not inserted in to temp table. some records are not inserted.
Also, we had some other observation. It only happens in its 2nd execution and not its first run. Hope there might be some cache problem Even, we also did not believe that. We are wondering. In TOAD, we tested however at times it happens. In application jar file, after "insert in to temp select * from xxx" we take the i. record count of temp table and ii. record count of "select * from xxx" separately but both doesn't match. Match only at 1st time.
is it possible to use the records returned by a query as column names in a select query.
select (select column_name from dba_tab_cols where table_name='V_$DATABASE' and column_name like '%CONTROL%') from v$database; * ERROR at line 1: ORA-01427: single-row subquery returns more than one row
I have created domain indexes on text columns of a materialised view to use "contains" clause when searching for data. The select query with "contains" clause does not return any records, however I was able to retrive data using via regular query using a like search.
-> will exec ctx_ddl.sync_index('index_name')'resolve my problem? -> since the view is a materialized view, how can i make sure that the latest data added are also picked up?
/* Formatted on 22/01/2013 19:32:50 */ CREATE OR REPLACE PROCEDURE test_rdm_miles ( p_ref_cursor OUT SYS_REFCURSOR p_success NUMBER) IS BEGIN OPEN p_ref_cursor FOR SELECT 5168 mem_uid,
[code]....
I have a Procedure with out parameters as a REF CURSOR and response message as p_success.This ref cursor will be returned to the calling service. Is there a way in oracle by which we can identify whether the Ref cursor holds data without actually fetching it. Since if i choose to fetch the data, i will lose one row when i return the ref cursor back to the calling service Or else is there way i can retrieve the row i lose during fetch.
Other alternative what have been suggested is create an object type ,fetch the ref cursor values in object type. Then i can use the ref cursor to return the data by table casting.
one more solution is
OPEN FETCH CLOSE OPEN (AGAIN) { this will lead to redundancy)
User complaints fetching data from table A is timing-out ( as per application standards). I decided to collect latest statistics(dbms_stats) on index used by query which is running for more than 12 hours.not.It is partition table and got close to 10 millions records.
1) I checked dba_waiters - no rows 2) I checked v$locked_object/v$locks - no rows 3) I'm unable to run explain-plan for any criteria on that table 4) I'm unable to open table data-tab in Toad/ Sql developer. 5) I'm unable to query a single partition; no error but it keeps on running.
I don't have any dba privileges, can you share a scripts which can tell how many block my query is fetching with or without indexes. How do i also get buffer hit, how can i get i/o without sql trace as i don't have access to dump_dest
I have a below query
SELECT DISTINCT ser_id AS STA_ser_id, rct_name AS STA_name FROM sd_servicecalls, rep_codes, rep_codes_text WHERE ser_sta_oid = rcd_oid AND rcd_oid = rct_rcd_oid AND rct_name IN ('New', 'Awaiting Approval', 'Approved', 'In Progress', 'Awaiting Supplier', 'Awaiting RFC', 'Awaiting Release', 'Pending Release', 'On Hold', 'Resolved', 'Implemented', 'Closed');
Does large hash value in explain plan mean more resource needed and more time to execute the query, How can i use ADDM for the above sql.
I am running a query in our Clarity PPM database to return a list of all Support projects. This returns a simple list of project code and project name:
The query has the project resource tables associated with it, so I am able to list all resources allocated to the project. But for now i am only selecting a DISTINCT list of projects.
I have a separate query which returns a list of support resources.
select res.full_name, res.unique_name , dep.description from niku.srm_resources res, niku.pac_mnt_resources pac, niku.departments dep where res.unique_name = pac.resource_code and pac.departcode = dep.departcode and res.is_active = 1 and description like 'IMS%' and UPPER(dep.description) like '%SUP%'
What I need to be able to do in the first query, is return only projects that do NOT have a resource that appears in the resource list in the second query.
(the res.unique_name field in the second query can be linked to the same in the first query)
Logically, the process would be: 1. Identify Support Project 2. Identify Resources allocated to the project team 3. Compare with List of Support Resources 4. If any Resources in that list do NOT appear on the project, then return project.
I am dealing with a table containing millions of records. I have table loans_list table and he data looks similar to this..
LOAN_IDSEQUENCE_NUMCOMPLETE_DATE 1237000 1237005 1237010 5237010 6/23/2010 10:07:02 AM 5237000 6/23/2010 10:07:02 AM 12237000
I am trying to select only those loan_id from this table which contain all these 3 sequence_num = 7000,7005,7010 and containing null compelete date. I tried different way to write the query but can't think of efficient way of writing this query yet.
Since this table contain million of records, i dont prefer to call this table more than once in a query. I am just trying to avoid the longer time delay for the execution of this query..
I'd want to select multiple records in my multi-record block. I'd also want to do that with checkboxes. When the user clicks on a particular checkbox, that should be selected and whatever record the user wants to check it should be added to selected records.
Is there a technique to getting a Top-N query to work as a sub-select in a larger query -or- is there another way to generate Top-N like results that works as a sub-select?
Background:
We have a large query that is being used to build an export from a legacy HR system to a new one. Amount the data needed in the export is the employees primary phone number.
The legacy HR system allows multiple phone numbers to be stored in a simple table structure:
SELECT emp_id, phone_type, phone_number FROM employee_phones
The new HR system does allow for multiple phone numbers, however they need a primary phone number identified and stored with the employee master information. (Subsequent phone numbers get stored in alternate table.)
From a business perspective, we have decided that if they have a HOME phone in the legacy system that should be the primary in the new system, if no HOME phone, then WORK, if no WORK then CELL.
That can be represented as:
SELECT * FROM employee_people_phones WHERE emp_id = '46021' ORDER BY decode(phone_type, 'HOME', 'a', 'WORK', 'b', 'CELL', 'c', 'z')
SELECT * FROM (SELECT * FROM employee_people_phones WHERE emp_id = '46021' ORDER BY decode(phone_type, 'HOME', 'a', 'WORK', 'b', 'CELL', 'c', 'z')) results WHERE ROWNUM = 1
SELECT phone_number FROM (SELECT phone_number FROM employee_people_phones WHERE emp_id = '46021' ORDER BY decode(phone_type, 'HOME', 'a', 'WORK', 'b', 'CELL', 'c', 'z')) results WHERE ROWNUM = 1
phone_number ------------------- 1111111111
However, when the Top-N query is added as a sub-select in a larger query using the employee id from the larger query (WHERE emp_id = export.emp_id), it fails saying that �export.emp_id� is not a valid id.
(SELECT phone_number FROM (SELECT phone_number FROM employee_people_phones WHERE emp_id = export.emp_id ORDER BY decode(phone_type, 'HOME', 'a', 'WORK', 'b', 'CELL', 'c', 'z')) results WHERE ROWNUM = 1)
1.Any way around this? Is it possible to put a Top-N (with a WHERE clause using data from the main query) in a sub-select?
2.Any alternatives (other than Top-N) to delivering a ROWNUM=1 result with a �custom� ORDER BY statement?
Other Notes: Yes, we know we could do two queries in the data conversion first deliver the bulk data to the target table, and then update with the phone numbers. However, for multiple reasons, that is less than desirable.
I'm trying to select id's in a table that have 2 certain values for another column. Example below explains:
idCoupon Type 123Amount 123Percent 456Amount 789Percent
I would like to write a sql statement that would select all rows where id=123, because id 123 has both coupon types "Amount" and "Percent". So the result set of the sql statement would look like:
I'm updating a large piece of legacy code that does the following type of insert:
INSERT INTO foo_temp (id, varchar2_column) SELECT id, varchar2_column FROM foo;
We're changing varchar2_column to clob_column to accommodate text entries > 4000 characters. So I want to change the insert statement to something like:
INSERT INTO foo_temp (id, clob_column) SELECT id, clob_column FROM foo;
This doesn't work, since clob_column stores the location of each text entry, rather than the actual content. But is there some way that I can achieve the insert with one call to a select statement, or do I need to select each individual record in foo, open the clob_column value, read it into a local variable and then write the content to the matching record in foo_temp?
I need to write a query in plsql to select records for first 3 distinct values of a single column (below example, ID )and all the rows for next 3 distinct values of the column and so on till the end of count of distinct values of a column.
eg: ID name age 1 abc 10 1 def 20 2 ghi 10 2 jkl 20 2 mno 60 3 pqr 10 4 rst 10 4 tuv 10 5 vwx 10 6 xyz 10 6 hij 10 7 lmn 10 . . . so on... (till some count) Result should be Query 1 should result ---> ID name age 1 abc 10 1 def 20 2 ghi 10 2 jkl 20 2 mno 60 3 pqr 10
query 2 should result --> 4 rst 10 4 tuv 10 5 vwx 10 6 xyz 10 6 hij 10
query 3 should result --> 7 lmn 10 . . 9 .. .. so on..
I need to export large number of records from select into the text file. It's about 2milion records.I can do it by PLSQL (see below) where executing of process takes time too much. How to export to text file faster?
