Getting PDO Excepetion error while migrating tables - laravel

I am getting following exception while migrating tables.
Uncommented pdo_mysql from php.ini file
Illuminate\Database\QueryException : could not find driver (SQL: select * from information_schema.tables where table_schema = blog and table_name = migrations)

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Database Connection Error in Plsek VPS Laravel

SQLSTATE[HY000] [1045] Access denied for user 'user_name'#'localhost' (using password: YES) (SQL: select * from `users` where `email` = admin#gmail.com limit 1)
I have added all the required attributes in .env file but I am getting this error.
How can I solve it?

Invalid Integer Value DB Port In Digital Ocean Apps Platform

I am currently have problem on my deployment side which is when I run the php artisan migrate:refresh it gives of
SQLSTATE[08006] [7] invalid integer value "${db.PORT}" for connection option "port" (SQL: select * from information_schema.tables where table_schema = public and table_name = migrations and table_type = 'BASE TABLE')
Hosting:
Digital Ocean
Platform:
Laravel Latest Version
Environment Variables Setup:

Why does Alter Table not work in Java with executeQuery()?

I am trying to alter a table using java with this query. It works in SQL Dev but does not work with executeQuery() in java
query = "ALTER TABLE SYSTEM.db_s3 ADD (newColumn CHAR(15));"
PreparedStatement preparedStatement = conn.prepareStatement(query);
preparedStatement.executeQuery(); --> Error Occured in this line
Caused by: Error : 1735, Position : 49, Sql = ALTER TABLE SYSTEM.db_s3 ADD (newColumn CHAR(15)); , OriginalSql = ALTER TABLE SYSTEM.db_s3 ADD (newColumn CHAR(15)); , Error Msg = ORA-01735: Invalid ALTER TABLE Option.

i have a problem with migrate on laravel 5.8

the error:
Illuminate\Database\QueryException : SQLSTATE[HY000] [2002] No such
file or directory (SQL: select * from information_schema.tables where
table_schema = eurofleet and table_name = migrations and table_type =
'BASE TABLE')
Does anyone have any idea?

datastage error - odbc function "SQLNumResultCols"

I am trying to select table from an oracle database using datastage.
In the ODBC Connector, If i do
select *
from Table_Name
I get this error -
'ODBC function "SQLNumResultCols" reportted: STATE=102:Native Error
Code = 0: Msg = [IBM(DataDirect OEM)][ODBC 20101 driver] 251'.
However if i use -
select cast(colA as varchar(50) as A,
cast(colB as varchar(50) as B
instead of
select *
from table_name
it works just fine. The data type of these columns is NVARCHAR2.
Is there a way to directly get it from
select *
from table_name
(there are about 20 columns in each of these tables)
Found a fix. Changed nvarchar parameter in odbc file

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