Reads a line of input and stores it in a given substitution variable. In iSQL*Plus, displays the Input Required screen for you to enter a value for the substitution variable. ACC[EPT] variable [NUM[BER] | CHAR | DATE | BINARY_FLOAT | BINARY_DOUBLE] [FOR[MAT] format] [DEF[AULT] de...
Action: Command-line SQL*Plus help is not installed in this Oracle instance. Use the sqlplus/admin/help/hlpbld.sql script to install HELP on this database: sqlplus system @hlpbld.sql helpus.sql SP2-0172 No HELP matching this topic was found. Cause: There is no help information availab...
SP2-0311 String expected but not found Cause: SQL*Plus was expecting a string at the end of the command, but could not find it. Action: Retry the command with a valid string. Check the syntax of the command you used for the correct options. SP2-0312 Missing terminating quote (quote_typ...
type table is table of elementType [not null] index by [binary_integer | pls_integer |varray2] 关键字index by表示创建一个主键索引,以便引用记录表变量中的特定行 --按一维数组使用记录表的示例 declare type city_table is table of varchar2(20) index by binary_integer; v_city_table city_table;...
SP2-0311 String expected but not found Cause: SQL*Plus was expecting a string at the end of the command, but could not find it. Action: Retry the command with a valid string. Check the syntax in the Chapter 8, "Command Reference" for the correct options for the command you used. SP...
现在,从 SQL Server 2005 或更高版本恢复已删除的数据非常容易。(注意:此脚本可以恢复以下数据类型并与 CS 排序规则兼容)。 代码语言:txt AI代码解释 让我用简单的例子来解释这个问题。 代码语言:txt AI代码解释 --Create Table Create Table [Test_Table] ( [Col_image] image, [Col_text] text, [Col_un...
exit 退出SQL*PLUS desc 表名 显示表的结构 show user 显示当前连接用户 show error 显示错误 show all 显示所有68个系统变量值 edit 打开默认编辑器,Windows系统中默认是notepad.exe,把缓冲区中最后一条SQL语句调入afiedt.buf文件中进行编辑 edit 文件名 把当前目录中指定的.sql文件调入编辑器进行编辑 ...
#在 SQL*PLUS中输入 > variable g_shopper number #注意末尾没有 ; 号 1. 2. /* 在PL/SQL中使用 */ BEGIN :g_shopper := 25; END; 1. 2. 3. 4. 变量的作用域和可见性 变量的作用域是可以访问该变量的程序部分 PL/SQL变量的作用域:从声明部分开始到块的结束 【当一个变量超出了作用域,PL/SQL...
When the employee is paid hourly (SalariedFlag = 0), VacationHours is set to the current number of hours plus the value specified in @NewHours; otherwise, VacationHours is set to the value specified in @NewHours. SQL Copy USE AdventureWorks2022; GO CREATE PROCEDURE HumanResources.Update_...
binary_integer 有符号整型 注意:布尔类型不能直接输出 代码演示样例: 注意:变量名称不能是SQLkeyword,最好不要和表中字段同名 变量命名: v_实际含义的单词 常量命名: c_实际含义 參数命名 p_实际含义 游标类型 名称_cursor 表类型 名称_table 记录类型 ...