Warning: oci_pconnect(): ORA-12162: TNS:net service name is incorrectly specified in /var/www/html/webrealh/_lib/prod/third/adodb/drivers/adodb-oci8.inc.php on line 233

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(oci8): delete from emp where ename='John'  

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Fatal error: Uncaught TypeError: oci_parse(): Argument #1 ($connection) must be of type resource, bool given in /var/www/html/webrealh/_lib/prod/third/adodb/drivers/adodb-oci8.inc.php:919 Stack trace: #0 /var/www/html/webrealh/_lib/prod/third/adodb/drivers/adodb-oci8.inc.php(919): oci_parse() #1 /var/www/html/webrealh/_lib/prod/third/adodb/adodb-lib.inc.php(1048): ADODB_oci8->_query() #2 /var/www/html/webrealh/_lib/prod/third/adodb/adodb.inc.php(1186): _adodb_debug_execute() #3 /var/www/html/webrealh/_lib/prod/third/adodb/drivers/adodb-oci8.inc.php(693): ADOConnection->_Execute() #4 /var/www/html/webrealh/_lib/prod/third/adodb/tests/testoci8.php(49): ADODB_oci8->Execute() #5 {main} thrown in /var/www/html/webrealh/_lib/prod/third/adodb/drivers/adodb-oci8.inc.php on line 919