在Debian系统下，sqlplus是Oracle数据库的命令行工具，用于管理和操作Oracle数据库。以下是sqlplus命令的使用方法：
连接到数据库连接到本地数据库sqlplus / as sysdbasqlplus username/password@//hostname:port/service_name例如：
sqlplus scott/tiger@//remotehost:1521/orclsqlplus username/password@service_name例如：
sqlplus scott/tiger@orclSELECT USER FROM DUAL;SELECT * FROM V$VERSION;SELECT * FROM DBA_TABLESPACES;SELECT * FROM DBA_SYS_PRIVS WHERE GRANTEE = 'YOUR_USERNAME';CREATE TABLE employees (employee_id NUMBER PRIMARY KEY,first_name VARCHAR2(50),last_name VARCHAR2(50),email VARCHAR2(100));INSERT INTO employees (employee_id, first_name, last_name, email) VALUES (1, 'John', 'Doe', 'john.doe@example.com');SELECT * FROM employees;UPDATE employees SET email = 'john.newemail@example.com' WHERE employee_id = 1;DELETE FROM employees WHERE employee_id = 1;DROP TABLE employees;CREATE VIEW employee_names AS SELECT first_name, last_name FROM employees;CREATE INDEX idx_employee_last_name ON employees(last_name);CREATE OR REPLACE PROCEDURE add_employee(p_first_name IN VARCHAR2, p_last_name IN VARCHAR2) AS BEGIN INSERT INTO employees (first_name, last_name) VALUES (p_first_name, p_last_name); END; /BEGIN add_employee('Jane', 'Smith'); END; /HELPSET PAGESIZE 14SET LINESIZE 80SELECT * FROM V$SQL;SELECT * FROM V$LOCK;上一篇：如何提升Linux服务器并发量
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