1 CREATE OR REPLACE PROCEDURE TEST_COUNT01 2 IS 3 v_total int; 4 v_date varchar(20); 5 BEGIN 6 select count(*) into v_total from EMP_TEST WHERE ENAME ='燕小六'; --into是赋值的关键字 7 select to_char(sysdate,'yyyy-mm-dd')into v_date FROM EMP_TEST WHERE ENAME ='郭芙蓉'; ...
A stored function cannot return a LONG value. You can declare a variable or argument of a PL/SQL program unit using the LONG datatype. However, you cannot then call the program unit from SQL. Within a single SQL statement, all LONG columns, updated tables, and locked tables must be loca...
create_date Date Not Null,--create_date:创建时间 create_byVarChar2(50)Not Null,--create_by:创建者标识 update_date Date,--update_date:更新时间 update_byVarChar2(50),--update_by:更新者标识 remarksVarChar2(250),--remarks:备注信息 del_flagNumber(4)--del_flag:删除标记);alter tableXF_FILE...
ACCEPT variable[datatype[NUMBER|CHAR|DATE]][FORMAT format][PROMPT text][HIDE]/*variable:指定接收值的变量。该名称的变量不存在,那么SQL重建该变量;datatype:变量数据类型,默认为CHAR*/ 1. SQL> accept num prompt'请输入课程号:' 2. 请输入课程号:101 3. SQL> set verify on 4. SQL> 5. 1 select...
create table student( recordid number(38), sid int not null , sname varchar2(50), sdate date, sage number(3) ); */ --删除表 --drop table student; --插入数据 /**//* set serveroutput on --允许服务器输出 declare maxrecords constant int:=100; ...
Connected to: Oracle Database 11g Enterprise Edition Release 11.2.0.4.0 - 64bit Production With the Partitioning, Real Application Clusters, Automatic Storage Management, OLAP, Data Mining and Real Application Testing options SYS@DGPRI1> create user lhr identified by lhr; User created. SYS@DGPRI...
(res); --输出:4 END; -- 命令行窗口中调用 SQL> VARIABLE res NUMBER; SQL> EXEC SP_SUM_PROC(1, 3, :res); PL/SQL procedure successfully completed res --- 4 --创建带输入输出参数的存储过程 CREATE OR REPLACE PROCEDURE SP_SUM_PROC(number1 IN NUMBER, number2 IN OUT NUMBER) is BEGIN ...
DATE、COMP-3(Pro*COBOLのみ)、NUMBER、RAW、LONG RAW、VARRAW、ROWIDおよびVARCHARデータ型 ランタイム・オプションを指定するためのORACLE OPTION文 ユーザー・イグジットでのEXEC IAF文およびEXEC TOOLS文 CONNECT文 TYPEおよびVARデータ型の同値化文 db_name句 DECLARE...DATABASE文、...
If you did not set the ORACLE_BASE environment variable before starting OUI, then the Oracle base directory is created in an app/username/directory on the first existing and writable directory from /u01 through /u09 for UNIX and Linux systems, or on the disk drive with the most available ...
The NCHAR and NVARCHAR2 datatypes store fixed-length or variable-length character data, respectively, using a different character set from the one used by the rest of the database. When you create a database, you specify the character set that will be used for encoding the various characters...