Configure Oracle Instant Client 21.12 to connect to Oracle Database 21c Express in Windows

Configure Oracle Instant Client 21.12 on Windows 10 to connect to Oracle Database 21c Express in Windows 8.1

01:04 Download Oracle Database Client for Windows
01:54 Configure Oracle instant client step by step.
03:21 Set environment variable
06:53 Test the connection to the database

TNSNAMES.ORA connection string format

service name will be used by oracle client =
(DESCRIPTION=
(ADDRESS = (PROTOCOL = TCP)(HOST = ipaddress or hostname)(PORT = 1521)
)
(CONNECT_DATA =
(SERVICE_NAME=database service name)
)
)

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Oracle Database Express Edition for Windows -