2026-03-12 20:23:15

idev/example_create_clob.sql

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+-- +----------------------------------------------------------------------------+
+-- |                          Jeffrey M. Hunter                                 |
+-- |                      jhunter@idevelopment.info                             |
+-- |                         www.idevelopment.info                              |
+-- |----------------------------------------------------------------------------|
+-- |      Copyright (c) 1998-2012 Jeffrey M. Hunter. All rights reserved.       |
+-- |----------------------------------------------------------------------------|
+-- | DATABASE : Oracle                                                          |
+-- | FILE     : example_create_clob.sql                                         |
+-- | CLASS    : Examples                                                        |
+-- | PURPOSE  : Example SQL script that demonstrates how to create tables       |
+-- |            containing a CLOB datatype in Oracle8i and higher. One of the   |
+-- |            biggest differences between creating a CLOB in Oracle8 and      |
+-- |            Oracle8i or higher is the use of the INDEX clause within the LOB|
+-- |            clause declaration. In Oracle8 it is possible to name the LOB   |
+-- |            INDEX and declare a tablespace and storage clause for it. With  |
+-- |            versions Oracle8i and higher, it is still possible to name the  |
+-- |            INDEX LOB SEGMENT using the INDEX clause but these versions of  |
+-- |            Oracle (8i and higher) will simply ignore anything else within  |
+-- |            the INDEX clause (like tablespaces and storage clause.) From    |
+-- |            what I have read Oracle is deprecating the tablespace and       |
+-- |            storage clauses from being used within the INDEX clause.        |
+-- | NOTE     : As with any code, ensure to test this script in a development   |
+-- |            environment before attempting to run it in production.          |
+-- +----------------------------------------------------------------------------+
+
+DROP TABLE xml_documents
+/
+
+CREATE TABLE xml_documents (
+      docname            VARCHAR2(200)
+    , xmldoc             CLOB
+    , log                CLOB
+    , timestamp          DATE
+)
+LOB (xmldoc)
+    STORE AS xml_documents_lob (
+        TABLESPACE lob_data
+        STORAGE (
+            INITIAL 1m NEXT 1m PCTINCREASE 0 MAXEXTENTS unlimited
+        )
+        INDEX xml_documents_lob_idx
+    )
+LOB (log)
+    STORE AS xml_log_lob (
+        TABLESPACE lob_data
+        STORAGE (
+            INITIAL 1m NEXT 1m PCTINCREASE 0 MAXEXTENTS unlimited
+        )
+        INDEX xml_log_lob_idx
+    )
+TABLESPACE users
+STORAGE (
+    INITIAL      256k
+    NEXT         256k
+    MINEXTENTS   1
+    MAXEXTENTS   121
+    PCTINCREASE  0
+)
+/