oracle multidimensional array

The following code has been tested to run directly Oracle analysis functions, multidimensional functions and model functions are briefly described, mainly for the BI report statistics, not necessarily very comprehensive, but a little explanation of

With Oracle 12c introducing the in memory component, the Oracle database has dual-mode data storage that enables support for mixed-type applications: traditional, row-saving data meets OLTP applications, and data stored in columns satisfies OLAP

I have not encountered an array of this type before, and recently encountered the need to solve the problem of arrays, find a bit about the use of arrays, now sorted down.Arrays in Oracle are divided into fixed arrays and mutable arrays.One, fixed

-One-dimensional array:--Nested table-There is no limit to size.--essentially disorderly.--varray--Dimensions must be fixed, all instances of the same size.--In a procedural language, it can be retrieved as an ordered array but viewed as a single,

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/** Use of arrays* 1, data: an orderly combination of the same type of data* 2, the length of the array is determined, once created will not be able to change* 3, each element in the array must be the same, cannot appear mixed type* 4, the data type

JavaScript Array can contain arbitrary data types, and each element is accessed through an index.To get Array the length, directly access the length properties:var arr = [1, 2, 3.14, ‘Hello‘, null, true];arr.length; // 6Please note that Array length

Oracle arrays can generally be divided into fixed arrays and variable arraysFixed array The code is as follows Copy Code DeclareType V_ar is Varray (a) of VARCHAR2 (30);My_ar V_ar:=v_ar (' G ', ' m ', ' d ', ' gong ', '

Introduction to Oracle Record typesRecord: User-defined data type, composed of single-row multi-column scalar composite data type, it is one or more scalar encapsulated into an object for operation records can not be compared to the overall

IndexOfSimilar to string, Array you can also indexOf() search for the position of a specified element by:vararr = [Ten, -,' -','XYZ'];arr.indexof (Ten);//the index of element 10 is 0Arr.indexof ( -);//the index of element 10 is 1Arr.indexof (