I read that oversizing a varchar2 column in a table doesn't affect storage space, but does effect query performance. http://hrivera99.blogspot.com/2008/05/why-is-varchar2-oversizing-bad.html Varchar2(4000 byte) set serveroutput on; declare v_test varchar2(9) ; v_test2 varchar2(3 ch...
Another way to use %ROWTYPE in PostgreSQL variables is using RECORD as the data type of a variable. Below is the same example as above, but displaying “emp” table data using RECORD type. postgres=# CREATE PROCEDURE example4 () AS $$ postgres$# DECLARE postgres$# eid_var emp.eid%TYPE...
Method 2: Manual ETL Process to Set up Oracle to Snowflake Integration In this method, you can convert your Oracle data to a CSV file using SQL plus and then transform it according to the compatibility. You then can stage the files in S3 and ultimately load them into Snowflake using the...
The start time is later in the day than the end time, so the time between the dates is part of a day.If you only add complete days, you can end up one day short. Using these values to create the rows, even after adding one to the extracted days, you'll only get 8th-13...
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declare file_name varchar2(32767); begin apex_debug.message('DEBUGMSG: process executed'); file_name := apex_application.g_x01; INSERT INTO DOCUMENTS (FILENAME) VALUES (file_name); apex_debug.message('DEBUGMSG: filename is: %s', file_name); end; A table named DOCUMENTS is created ...
WARNING:This will DESTROY ALL DATA IN THE TABLE AND REMOVE ANY PERMISSIONS GRANTED ON THE TABLE TO A ROLE OR USER. Only use this if you’re sure you want to destroy the table and everything in it. declare v_table_definition varchar2(32767); ...
Use PL/SQL and the internal package DBMS_SQL_TUNE to create a tuning task. Type this: DECLARE l_sql VARCHAR2(500); l_sql_tune_task_id VARCHAR2(100); BEGIN l_sql := 'SELECT first_name, last_name, department_name ' || 'FROM emp JOIN departments USING (department_id) ' || ...
This enables you to use a bind variable for theinlist: Copy code snippet Copied to Clipboard Error: Could not Copy Copied to Clipboard Error: Could not Copy declare emp_cur sys_refcursor; search_str varchar2(100) := 'King,Kochhar,De Haan'; ...
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