I want to find the max length for a column in oracle, without querying each of the columns. Are these stats stored somewhere?
I have several fields defined as varchar2(4000). Not all of them use up 4000. Instead of querying each one ..max(column name) i want to explore if there is a way, i can find the max size stored somewhere? dba_tab_cols provides size of the field. is there any table that provides max used so far?
if one of the columns is given as
ABC varchar2(10)
can we tell anything about the size of the data in bytes that this column going to hold.
create table test_schema(
col1 varchar2(50)
)
insert all
into test_schema values ('this_is_a_test')
into test_schema values ('this_is_a_test_test')
into test_schema values ('this_is_a_test_test_xxxx')
into test_schema values ('this_is_a_test_test_aaaaaaaa')
select * from dual;
I want to get the length of the col1 value with maximum length of characters also with that field value.
i.e o/p is
this_is_a_test_test_aaaaaaaa length 28
how can I do it??
if one of the columns is given as
ABC varchar2(10)
the size of the data in bytes that this column going to hold.
What is the Maximum Charter length can be given as a column name in a table?
View 3 Replies View RelatedI 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.
i want to add a column data of datatype number of all the tables at a time in a database..
i am trying with the all_tab_columns but i can get only the column info whether it is number or varchar2 or any other data type but i am unable to retrieve the column name and the sum of length of the data present in all the rows in that column...
We have some tables in our database in which for loading data we have the setup in place to do Exchange partition after data load into staging. Today we did changes to column length to one pair of main and staging table. Post that Exchange partition stop working.
View 1 Replies View RelatedI am trying to import the database and i see the following error:
IMP-00051: Direct path exported dump file contains illegal column length imp abruptly stops. my source and destination database is as follows:
Source: 9.2.0.8
Destinatin: 11g-r2.
I used exp with the following options:
direct=y
buffer=899989898
recordlength=64000
File=1.dmp,2.dmp,3.dmp,4.dmp,5.dmp,6.dmp,7.dmp,8.dmp,9.dmp,10.dmp,11.dmp,12.dmp,
13.dmp,14.dmp,15.dmp,16.dmp,17.dmp,18.dmp,19.dmp,20.dmp,21.dmp,22.dmp,23.dmp,24.
dmp,25.dmp,26.dmp,27.dmp,28.dmp,29.dmp,30.dmp
grants=y
compress=y
FILESIZE=25g
owner=BRM
Using imp with the following option:
indexes=n
buffer=99989898
recordlength=64000
File=1.dmp,2.dmp,3.dmp,4.dmp,5.dmp,6.dmp,7.dmp,8.dmp,9.dmp,10.dmp,11.dmp,12.dmp,
13.dmp,14.dmp,15.dmp,16.dmp,17.dmp,18.dmp,19.dmp,
20.dmp,21.dmp,22.dmp,23.dmp,24.dmp,25.dmp,26.dmp,27.dmp,28.dmp,29.dmp,30.dmp
analyze=n
grants=y
fromuser=brm
touser=brm
statistics=none
why my imp failing?
I have one issue while loading the value through sql*loader the last column data is SG1 and when its loaded , it is length of this columns is showing 4 char. Unable to understand, how to find this extra space. Though used TRIM but does not work.
View 8 Replies View RelatedI'm loading data from text file separated by TAB and i got the error below for some lines. Event the column is CLOB data type is there a limitation of the size of a CLOB data type. The error is:
Record 74: Rejected - Error on table _TEMP, column DEST.
Field in data file exceeds maximum length
I'm using SQL Loader and the database is oracle 11g r2 on linux Red hat 5. Here are the line causing the error from my data file and my table description for test:
create table TEMP
(
CODE VARCHAR2(100),
DESC VARCHAR2(500),
RATE FLOAT,
INCREASE VARCHAR2(20),
COUNTRY VARCHAR2(500),
DEST CLOB,
[code]........
How the length of column width effects index performance?
For example if i had IOT table emp_iot with columns:
(id number,
job varchar2(20),
time date,
plan number)
Table key consist of(id, job, time)
Column JOB has fixed list of distinct values ('ANALYST', 'NIGHT_WORKED', etc...).
What performance increase i could expect if in column "job" i would store not names but concrete numbers identifying job names.
For e.g. i would store "1" instead 'ANALYST' and "2" instead 'NIGHT_WORKED'.
I have a field "Email". The length of it is restricted to 30. But i mayget more than 30 characters. So how to trim the email address so that its max length is 30 characters.
View 5 Replies View RelatedI want to create a table with a length greater than 30.I Thought there was a way to override the max length for for a table name in Oracle 11.2.0.2.I cant find a documentation that states how to get it done.
View 1 Replies View RelatedI have a problem to read in data from dmp file to target table.
I've created a dmp file using:
CREATE TABLE table_name
ORGANIZATION EXTERNAL
(TYPE oracle_datapump
DEFAULT DIRECTORY directory_name
LOCATION ('file_name.dmp')
) AS SELECT col1, col2, col3 from source_table;
[Code]...
The file created via db_link from target db to remote db and then the data are insterted into target db table target_table.
desc target_table
col1 varchar2(20)
col2 number
col3 number
There are no values longer than 20 characters in source table, but when I insert into target_table(col1, col2, col3) as select col1, col2 col3 from source_table; I get ORA-12899: value too large for column "target_table"."col1" (actual: 25, maximum: 20).
I gues it has something to do with how the oracle datapump stored the data in dmp file. When I select col1 from source_table where length(col1) > 20; I get two values which clearly are not longer than 20 characters.
Selected values are:
748473358
693197674
where the bug is hidden or any "normal" workaround?
I think the maximum length of table and column name in oracle 11g is 30 characters.I want to increase the limit as i want to import a mysql database that is having bigger table names.Can i preset the table name and column name length??
View 2 Replies View Relatedcan I control at length of field at tuntime?i want to set the number of the size (length) at runtime.
(no by use "HORIZONTAL ELASTICITY"= variable/expand because I need a specific length)
We are getting an error in our web application that is using Oracle.DataAccess.dll v2.111.6.20. When a couple users are using the site everything is fine, but when the load goes up we start getting the error ORA-24373: invalid length specified for statement. We are unable to duplicate this error in Visual Studio and don't know where to turn. We use stored procedure and the .dll to access the database for everything. Also, when this error occurs, it occurs indefenitely for all OracleCommand objects until the web server is rebooted. Also, when I attempt to remote debug with SQL Developer, the process doesn't even make it to the database!
View 3 Replies View RelatedI'm trying to select only codes from a column that are above a certain length. how would this be achieved? I've tried char_length(fieldname) > x in the where clause but i'm getting the error ORA-00904: "char_length" invalid identifier.
View 2 Replies View Relatedhow to get the type, length, flags in oracle by query..??
View 1 Replies View Relatedin the case below, when i created VIEW to add a new Department for some reason, its length is un-identified but i want the length as describe in table, how i can get ?
Oracle Database 10g Enterprise Edition Release 10.2.0.3.0 - Production With the Partitioning, OLAP and Data Mining options
devtest@ Test.DB> desc dept
Name Null? Type
----------------------------------------------------------------- -------- ------------
DEPTNO NUMBER(2)
DNAME VARCHAR2(14)
LOC VARCHAR2(13)
devtest@ Test.DB> l
1 select deptno, dname, loc from dept
2 union all
3 select 99 deptno, 'MY DEPTT' dname, 'MY LOCATION' LOC
4* from dual
devtest@ Test.DB> create view my_dept as
2 select deptno, dname, loc from dept
3 union all
4 select 99 deptno, 'MY DEPTT' dname, 'MY LOCATION' LOC
5 from dual;
[code]....
I am trying to create one Materialized view from a Select Statement and I am getting the following error
SQL Error: ORA-01723: zero-length columns are not allowed
I have checked the table and found nothing like varchar2(0) or char(0) , but the column in my select statment may get a Null value. Will it result in error like above ?
Normal View : I have created this because I think a materialized view would not be created if we have a Sub query.
CREATE OR REPLACE VIEW mx_test
AS
SELECT t."EXTN_SERVICE_REQUEST_NO",
t."EXTN_SERVICE_TYPE",
[Code]....
Materialized View :
CREATE materialized VIEW mx_ashok
AS
SELECT * FROM mx_test
Error :
Error starting at line 1 in command:
CREATE materialized VIEW mx_ashok
AS
SELECT * FROM mx_test
Error at Command Line:3 Column:16
Error report:
SQL Error: ORA-01723: zero-length columns are not allowed
01723. 00000 - "zero-length columns are not allowed"
*Cause:
*Action:
Do I need to use NVLs for all columns which may result in NULL value ?
column with datatype Number contains length 1.Its not null.Tried to trim then also length is 1 ....How to find what is the character there..?
View 1 Replies View Relatedthere are 3 columns as Address1(max data length 80) , Address2(max data length 80), Address3 (max data length 80)..I need to fetch all the three address line with max length of 40 in each columns after concatenate address1,address2,address3
E.g Field data_length
Address1 49
Address2 32
Address3 33
now I need to concate all the char and split in 40 char per field i.e. 49+32+33 = 114
Field data_length
Address1 40
Address2 40
Address3 24
If i try to find length of the string with more than 4000 char in SQL Developer it throws error "ORA-01704: string literal too long". if anything i need to SET in preference.
select length('string with more than 4000 char) from dual;
I am getting error ORA-01450: maximum key length (3118) exceeded, when I going to create a Database(by dbca) with Block Size 4096 bytes.
Oracle Database:11.2.0.0
Platform: Windows server R2 64 bit
I have created a VIEW with a column containing user-defined aggregated values(stores the output in varchar2 data type). Some of the records exceed the maximum limit, for example varchar2(4000). I was suggested a PL/SQL function to check the length and build a string if necessary..
CREATE OR REPLACE
FUNCTION SUBURL(col1 IN VARCHAR2, col2 IN varchar2)
RETURN varchar2
[Code].....
Here, I got the following error,
Error(4,25): PLS-00103: Encountered the symbol "," when expecting one of the following:
:= . ( @ % ; not null range default character
ORA-06525: Length Mismatch for CHAR or RAW dataORA-06512: at "SYS.UTL_FILE", line 127ORA-06512: at "SYS.UTL_FILE", line 1204ORA-06512: at line 14
View 20 Replies View RelatedI have this function to calculate the length of the string in inches.
I would like to know how can I add a line break or CRLF right after X length and not to break any words in the string.?
SELECT COUNT ( * ) FROM mtl_system_items_b;
-> 664072 records
Actually the value of the segment1 should be 9. But it has some junk characters and some extra characters.So I am using the following query to get all the error segment values.
confirm is this query rite?
SELECT segment1
FROM mtl_system_items_b
WHERE LENGTH (segment1) != 9;
