clob

How to get a particular string from a clob column? I have data as below which is stored in clob column called product_details CALCULATION=[N]NEW.PRODUCT_NO=[T9856] OLD.PRODUCT_NO=[T9852].... -- with other text I would like to search for string NEW.PRODUCT_NO from column product_details I have tried as select * from my_table where dbms_lob.instr(product_details,'NEW.PRODUCT_NO')>=1 The above fetches full text from my table. Any help is highly appreciable. Regards Use dbms_lob.instr and dbms_lob.substr , just like regular InStr and SubstStr functions. Look at simple example: SQL> create table t

in a DB2 trigger, I need to compare the value of a CLOB field. Something like: IF OLD_ROW.CLOB_FIELD != UPDATED_ROW.CLOB_FIELD but "!=" does not work for comparing CLOBs. What is the way to compare it? Edited to add: My trigger needs to do some action if the Clob field was changed during an update. This is the reason I need to compare the 2 CLOBs in the trigger code. I'm looking for some detailed information on how this can be done In Oracle 10g you can use DBMS_LOB.compare() API. Example: select * from table t where dbms_lob.compare(t.clob1, t.clob2) != 0 Full API: DBMS_LOB.COMPARE ( lob_1 IN

I'm not the first to have these issues, and will list some reference posts below, but am still looking for a proper solution. I need to call a stored procedure (Oracle 10g database) from a C# web service. The web server has an Oracle 9i client installed and I am using Microsofts System.Data.OracleClient . The procedure takes an XML as a CLOB. When the XML was over 4000 Bytes (which is likely in a normal use case), I stumbled over the following error: ORA-01460 - unimplemented or unreasonable conversion requested I've found this , this and this post. Further I found a promising workaround which

I am trying to write to an Oracle clob field a value over 4000 characters. This seams to be a common issue but non of the solutions seem to work. So I pray for help from here. Down and dirty info: Using Oracle 9.2.0.8.0 Hibernate3 implementing pojo's with annotations Tomcat 6.0.16 Oracle 10.2.x drivers C3P0 connction pool provider In my persistence.xml I have: <persistence-unit name="DWEB" transaction-type="RESOURCE_LOCAL"> <provider>org.hibernate.ejb.HibernatePersistence</provider> <properties> <property name="hibernate.archive.autodetection" value="class"/> <property name="hibernate

WARNING : see my own answer below. The problem is caused by old Oracle drivers that were present on the classpath in addition to 10.2.0.4. Problem solved. Leaving the rest of this question for posterity. I've been banging my head against the following. Here's a simple POJO distilled from my application code: @Entity @Table(name = "PIGGIES") public class Piggy { private Long id; private String description; public Piggy() {} @Id @GeneratedValue @Column(name = "PIGGY_ID") public Long getId() { return id; } public void setId(Long id) { this.id = id; } @Lob @Column(name = "PIGGY_DESCRIPTION")

I am using Oracle SQL Developer and trying to export a table to a CSV file. Some of the fields are CLOB fields, and in many cases the entries are truncated when the export happens. I'm looking for a way to get the whole thing out, as my end goal is to not use Oracle here (I received an Oracle dump - which was loaded into an oracle db, but am using the data in another format so going via CSV as an intermediary). If there are multiple solutions to this, given that it is a one time procedure for me, I don't mind the more hack-ish type solutions to more involved "do it right" solutions. JD Long if