关于SQL*PLUS的叙述正确的是()
A、SQL*PLUS是ORACLE数据库的专用访问工具
B、SQL*PLUS是标准的SQL访问工具,可以访问各类关系型数据库
C、SQL*PLUS是所有ORACLE应用程序的底层API
D、SQL*PLUS是访问ORACLE数据库的唯一对外接口
E、以上所述都不正确
A、SQL*PLUS是ORACLE数据库的专用访问工具
B、SQL*PLUS是标准的SQL访问工具,可以访问各类关系型数据库
C、SQL*PLUS是所有ORACLE应用程序的底层API
D、SQL*PLUS是访问ORACLE数据库的唯一对外接口
E、以上所述都不正确
A、PL/SQL是应用于各种数据库上的通用语言 B、PL/SQL是过程化的SQL语言 C、PL/SQL是只能在SQL*PLUS中运行 D、在PL/SQL可以直接执行所有的SQL操作
A、执行部分是必须的,因此声明部分也可以放到执行部分中来 B、PL/SQL块在执行时,是统一传输给数据库服务器进行执行的 C、在PL/SQL中SELECT的语句的用法与在SQL*PLUS中完全一致 D、匿名PL/SQL块的执行效率要高于命名PL/SQL块
A、/SQL*Plus commands cannot be abbreviated. B、/SQL*Plus commands are accesses from a browser. C、/SQL*Plus commands are used to manipulate data in tables. D、/SQL*Plus commands manipulate table definitions in the database. E、/SQL*Plus is the Oracle proprietary interface for executing SQL statements.
A、/SQL*Plus commands cannot be abbreviated. B、/SQL*Plus commands are accessed from a browser. C、/SQL*Plus commands are used to manipulate data in tables. D、/SQL*Plus commands manipulate table definitions in the database. E、/SQL*Plus is the Oracle proprietary interface for executing SQL statements.
A、Both SQL and /SQL*plus allow manipulation of values in the database. B、/SQL* Plus recognizes SQL satement and sends them to the server; SQL is the Oracle proprietary interface for executing SQL statements. C、/SQL* Plus language for communicating with the Oracle server to access data; SQL recognizes SQL statements and sends them to the server. D、/SQL manipulates data and table definition in the database; /SQL* Plus does not allow manipulation of values in the database.
A、A. Both SQL and /SQL*plus allow manipulation of values in the database. B、B. /SQL* Plus recognizes SQL satement and sends them to the server; SQL is the Oracle proprietary interface for executing SQL statements. C、C. /SQL* Plus language for communicating with the Oracle server to access data; SQL recognizes SQL statements and sends them to the server. D、D. /SQL manipulates data and table definition in the database; /SQL* Plus does not allow manipulation of values in the database.