Oracle Wallet Setup

 select * from v$encryption_wallet

mkdir -p /home/oracle/wallet

export TNS_ADMIN=/u01/app/oracle/product/19.0.0/dbhome_1/network/admin

Add the following entries into the client "/u01/app/oracle/product/19.0.0/dbhome_1/network/admin" file, with your preferred wallet location.

WALLET_LOCATION =
   (SOURCE =
     (METHOD = FILE)
     (METHOD_DATA =
       (DIRECTORY = /home/oracle/wallet)
     )
   )
SQLNET.WALLET_OVERRIDE = TRUE
SSL_CLIENT_AUTHENTICATION = FALSE
SSL_VERSION = 0

orapki wallet create -wallet "/home/oracle/wallet" -pwd "password" -auto_login_local

or 

mkstore -wrl "/home/oracle/wallet" -create

mkstore -wrl "/home/oracle/wallet" -createCredential orcl test test

mkstore -wrl "/home/oracle/wallet" -createCredential orcl2 test2 test2

mkstore -wrl "/home/oracle/wallet" -listCredential

mkstore -wrl <wallet_location> -modifyCredential <dbase_alias> <username> <password>

mkstore -wrl <wallet_location> -deleteCredential <db_alias>

Connection syntax "/@db_alias"

sqlplus /@orcl

sqlplus /@orcl2

QR CODE IN ORACLE REPORT BUILDER

 https://drive.google.com/drive/folders/1Kv901xiIp7dbzcK71CVgHzOylrGmAw-b?usp=sharing

create directory qr_dir as 'D:\QR';
grant read,write on directory qr_dir to test;

@01-ZT_QR_PACKAGE.plb

@02-ZT_QR_BODY.plb

@03-bmp2jpg java

@04-f_bmp2jpg

create or replace procedure qr_code(p_text varchar2) as
lbQR blob;
begin
  lbQR := f_bmp2jpg( 
ZT_QR.F_QR_AS_BMP(
p_data => p_text,
p_error_correction => 'M')
);
    ZT_QR.p_save_file(lbQR, p_text||'.jpg' ,'QR_DIR');
END;

function CF_QRFormula return Char is
begin
  RETURN 'D:\QR\'||:P_QR||'.jpg';
end;