EXECUTE IMMEDIATE into的使用

Use "EXECUTE IMMEDIATE into" to analyze which tables being updated[@more@]

DECLARE

v_table_name varchar2(30);
v_count number;
v_rows number;
v_sql_statement VARCHAR2(300);

CURSOR c1 IS select table_name from dba_tab_columns where owner='Schema_owner' and column_name='CREATE_TIMESTAMP' order by 1;

BEGIN

OPEN c1; -- open the cursor before fetching
LOOP
FETCH c1 INTO v_table_name;
EXIT WHEN c1%NOTFOUND;

v_sql_statement := 'select count(*) from Schema_owner .' || v_table_name || ' where trunc(create_timestamp)=trunc(sysdate)' ;

EXECUTE IMMEDIATE v_sql_statement into v_rows;

IF v_rows > 0 THEN
DBMS_OUTPUT.PUT_LINE( 'Table' || ': ' || v_table_name );
end if;

END LOOP;
CLOSE c1;

END;
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