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Full Discussion: Syntax problem Oracle
Special Forums UNIX and Linux Applications Syntax problem Oracle Post 303000819 by gandolf989 on Thursday 20th of July 2017 09:58:13 AM
Old 07-20-2017
Here is the updated code with the implicit cursor. You can take out the filter "WHERE rownum < 8". Let me know what your grade is. I should get some credit.

Code:
sys@test> CREATE OR REPLACE PROCEDURE TAB_ROW_COUNT
  2  AS
  3   tab_var  VARCHAR2(4000);
  4   ct_var   NUMBER;
  5   CURSOR c1 IS
  6      SELECT table_name
  7        FROM user_tables
  8       WHERE rownum < 8;
  9  BEGIN
 10     FOR tab_var IN c1
 11     LOOP
 12        EXECUTE IMMEDIATE 'SELECT COUNT(*) cnt FROM '||tab_var.table_name INTO ct_var;
 13        DBMS_OUTPUT.PUT_LINE('There are ' || TO_CHAR(ct_var, '999,999') || ' rows in ' || tab_var.table_name || ' table');
 14     END LOOP;
 15  END;
 16  /

Procedure created.

Elapsed: 00:00:00.02
sys@test>
sys@test> EXEC TAB_ROW_COUNT;
There are    4,119 rows in TAB$ table
There are       10 rows in CLU$ table
There are        0 rows in FET$ table
There are        0 rows in UET$ table
There are   12,042 rows in SEG$ table
There are       29 rows in UNDO$ table
There are       13 rows in TS$ table

PL/SQL procedure successfully completed.

Elapsed: 00:00:00.01

 

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DB2_NUM_ROWS(3) 							 1							   DB2_NUM_ROWS(3)

db2_num_rows - Returns the number of rows affected by an SQL statement

SYNOPSIS
int db2_num_rows (resource $stmt) DESCRIPTION
Returns the number of rows deleted, inserted, or updated by an SQL statement. To determine the number of rows that will be returned by a SELECT statement, issue SELECT COUNT(*) with the same predicates as your intended SELECT statement and retrieve the value. If your application logic checks the number of rows returned by a SELECT statement and branches if the number of rows is 0, consider modi- fying your application to attempt to return the first row with one of db2_fetch_assoc(3), db2_fetch_both(3), db2_fetch_array(3), or db2_fetch_row(3), and branch if the fetch function returns FALSE. Note If you issue a SELECT statement using a scrollable cursor, db2_num_rows(3) returns the number of rows returned by the SELECT state- ment. However, the overhead associated with scrollable cursors significantly degrades the performance of your application, so if this is the only reason you are considering using scrollable cursors, you should use a forward-only cursor and either call SELECT COUNT(*) or rely on the boolean return value of the fetch functions to achieve the equivalent functionality with much better perfor- mance. PARAMETERS
o $stmt - A valid stmt resource containing a result set. RETURN VALUES
Returns the number of rows affected by the last SQL statement issued by the specified statement handle. PHP Documentation Group DB2_NUM_ROWS(3)
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