binaryintegerindextabletypenumbers Oracle中indexbybinary_integer的作用 2011-01-1115:56 如语句:typenumbersistableofnumberindexbybinary_integer;其作 用是,加了”indexbybinary_integer”后,numbers类型的下标就是自增长, numbers类型在插入元素时,不需要初始化,不需要每次extend增加一个空间。 而如果没有这句话“ind...
@ 理解一: table 相当于是数组,这里定义了一个数组类型t_string; INDEX BY BINARY_INTEGER这里是定义数组下标是整数,因为ORACLE中下标可以是字符串. VARCHAR2(32767)这是定义数组里面只能放字符串 @ 理解二: t_string是哈希表,定义了两个字段[key,value] key是唯一的主键,key的类型的二进制类型,并且是自动增长...
CREATE TABLE my_emp(empno number(4),ename varchar2(15)) / DECLARE TYPE empno_table_type IS TABLE OF my_emp.empno%TYPE INDEX BY BINARY_INTEGER; TYPE ename_table_type IS TABLE OF my_emp.ename%TYPE INDEX BY BINARY_INTEGER; v_empno_table empno_table_type; v_ename_table ename_table_type...
TYPE TPISTABLEOFNUMBERINDEXBYBINARY_INTEGER; TYPE VSISTABLEOFVARCHAR2(100)INDEXBYBINARY_INTEGER; TYPE VDISTABLEOFAPPS.SYS_USER.CREATE_DATE%TYPE; VN TP; VS_NAME VS; VD_DATE VD; CURSORP_CURSORIS SELECTUSER_ID, USER_NAME, CREATE_DATEFROMAPPS.SYS_USER; BEGIN OPENP_CURSOR; FETCHP_CURSOR BULK...
TYPE empno_table_type IS TABLE OF number(4) INDEX BY BINARY_INTEGER; TYPE ename_table_type IS TABLE OF varchar2(20) INDEX BY BINARY_INTEGER; v_empno_table empno_table_type; v_ename_table ename_table_type; BEGIN FOR i IN 1..1000 LOOP ...
1 oracle变量表类型declaretype my_emp is table of scott.emp%rowtypeindex by binary_integernew_emp my_empv_num number:=0cursor cur_emp is select empno,ename,job,sal from scott.emp;--1.cursor 是个什么东东?beginfor v_emp in cur_emp loop --2.v_emp是个什么东东?怎么和正常for语句不一样...
Remember that Aerospike keys can be Strings, integer types and binary types only.To use a field as the key, simply mark the field with the AerospikeKey annotation:@AerospikeKey private int personId;If a function is to be used as a key, the function must be declared as to have no ...
Numbered ACL: This is the traditional naming method. After an ACL is created, a unique number is specified for the ACL. Named ACL: An ACL is identified by a name. You can specify a number for a created ACL. Different types of ACLs have different number ranges, as described inTable 1-...
4 Enter a number: 100 Enter a number: 42 Enter a number: 400 Enter a number: 300 The average is 210 This program was supplied by the Nand to Tetris software suite. Pong The game of Pong, showing off the language's object-oriented model. Use the arrow keys to move the paddle left ...
doesn'thave a well-defined schema since property"code"is a string and the first document has"code"as a number. In this case, the analytical store registers the data type of"code"asintegerfor lifetime of the container. The second document will still be included in analytical store, but ...