与type 变量 is table of 类型 -- type 变量 is record( 字段1 类型1, 字段2 类型2 ); 区别是 用 create 后面用 as , 若直接用 type 后面用 is create 是创 object , 而 type 是创 record . 另type用在语句块中,而create 是的独立的. 一般定义object的语法: 用 create type 自定义表类型A as ...
create or replace type typ_calendar as object( 年varchar2(8), 月varchar2(8), 星期日 varchar2(8), 星期一 varchar2(8), 星期二 varchar2(8), 星期三 varchar2(8), 星期四 varchar2(8), 星期五 varchar2(8), 星期六 varchar2(8), 本月最后一日 varchar2(2), member function format( curd...
create or replace type table_typeastableofvarchar2(32676); 2) 创建一个Oracle 自定义 Function 代码语言:javascript 复制 --创建 自定义 split 函数 create or replacefunctionsplit(p_list clob,p_sep varchar2:=',')returntable_type pipelined is l_idx pls_integer;v_listvarchar2(32676):=p_list;beg...
与type 变量 is table of 类型 -- type 变量 is record( 字段1 类型1, 字段2 类型2 ); 区别是 用 create 后面用 as , 若直接用 type 后面用 is create 是创 object , 而 type 是创 record . 另type用在语句块中,而create 是的独立的. 一般定义object的语法: 用 create type 自定义表类型A as ...
create or replace type type_str is table of varchar2(100); 再创建split函数,代码如下: 测试 1.基本功能 SQL> select column_value from table(split('1001,1002,1003',',')); COLUMN_VALUE --- 1001 1002 1003 2.字符转数字+默认分隔符 SQL> select to_number(column_value) from table(split('10...
下面分别给出varchar2在oracle sql和plsql中最大长度的示例。 oracle sql中varchar2最大支持长度示例–最大长度为4000 1. drop table idb_varchar2; 2. create table idb_varchar2 3. (id number, 4. name varchar2(4000 char)); 5. insert into idb_varchar2 values(1,lpad('中',32767,'中')); ...
The value supplied in theoracleTypeparameter is an invalid back-end data type. Examples The following example creates anOracleParameterand sets some of its properties. C# publicvoidCreateOracleParameter(){ OracleParameter parameter =newOracleParameter("DName",OracleType.VarChar,14); parameter.Direction...
This software is developed for general use in a variety of information management applications. It is not developed or intended for use in any inherently dangerous applications, including applications which may create a risk of personal injury. If you use this software in dangerous applications, ...
create type rec_cjr is record ( cjrid varchar2(30) , tk integer ); cjr rec_cjr array; 小结: 1. postgresql使用array替代了PL/SQL的table定义。 2. 复合类型的数组,不能直接修改复合类型的element,需要先用标量修改好后赋值。 3.PL/SQL的type是局部变量,而PostgreSQL的type是全局的,这个也需要注意,如...
Because working with national character set data requires additional API calls in client applications, and because national character set data is not supported by some database components, such as Oracle Text, Oracle recommends that multilingual applications use VARCHAR2, CHAR, and CLOB data types ...