Article Introduction：How to connect sqlplus to the database: 1. Open a terminal or command line window and enter the "sqlplus" command to start SQL*Plus; 2. If the Oracle database is not on the local host, you also need to specify the connection information of the database; 3. Press the Enter key After executing the command, SQL*Plus will prompt for a password. Enter the correct password and press Enter; 4. If the username and password are verified successfully, SQLPlus will successfully connect to the database and display the SQLPlus command prompt.

2023-11-15 comment 0  4168

Article Introduction：Use SQLPlus to execute SQL files to automate database tasks. The steps are as follows: Use the sqlplus command to connect to the database. Use the @ or START command to execute the SQL file. Use the -v option to specify runtime parameters such as bind variables. Use the -l option to redirect output to a log file.

2024-04-18 comment 0  635

Article Introduction：SQLPlus garbled characters are caused by character set mismatch. Solution: 1. Set the NLS_LANG environment variable; 2. Use client tools that support character sets; 3. Modify the SQLPlus startup script; 4. Modify the database configuration; 5. Use JDBC connection to explicitly set the character set; ensure that the character set is set in Be consistent across databases, client tools, and code.

2024-04-18 comment 0  1137

Article Introduction：Summary: SQLPlus is an Oracle database interactive tool used to connect to the database and execute SQL statements. It can be started from the command line, and the command structure includes SQL statements, semicolons, and newlines. Basic command: CONNECT: connect to the database. DISCONNECT: Disconnect. SELECT: Query data. UPDATE: Update data. INSERT: Insert data. DELETE: delete data.

2024-05-07 comment 0  948

Article Introduction：The solution to Linux sqlplus garbled characters: first query the database character set; then set "automatic loading on boot and restart" and put it in "/home/oracle/.bash_profile"; finally re-query to recognize Chinese normally.

2020-05-30 comment 0  3762