Compare two clobs : Clob « Data Type « Oracle PL / SQL






  1. Oracle PL / SQL
  2. Data Type
  3. Clob

Compare two clobs

 
SQL> CREATE TABLE myTable (
  2    id          INTEGER PRIMARY KEY,
  3    clobData CLOB NOT NULL
  4  );

Table created.

SQL>
SQL> CREATE OR REPLACE PROCEDURE compare_example IS
  2    clobVariable1 CLOB;
  3    clobVariable2 CLOB;
  4    return_var INTEGER;
  5  BEGIN
  6    SELECT clobData INTO clobVariable1 FROM myTable WHERE id = 1;
  7    SELECT clobData INTO clobVariable2 FROM myTable WHERE id = 2;
  8
  9    return_var := DBMS_LOB.COMPARE(clobVariable1, clobVariable2);
 10    DBMS_OUTPUT.PUT_LINE('return_var = ' || return_var);
 11
 12    return_var := DBMS_LOB.COMPARE(clobVariable1, clobVariable1);
 13    DBMS_OUTPUT.PUT_LINE('return_var = ' || return_var);
 14  END compare_example;
 15  /

Procedure created.

SQL>
SQL> drop table myTable;

Table dropped.








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