[20180608]Wrong Results with IOT, Added Column and Secondary Index.txt --//链接:http://db-oriented.com/2018/06/05/wrong-results-with-iot-added-column-and-secondary-index/--//我记得ITPUB上也有一位网友遇到类似的问题. 1.环境:SCOTT@test01p> @ ver1PORT_STRING          VERSION…

Question:  I have a SQL with multiple columns in my where clause.  I know that Oracle can only choose one index, and I know about multi-column composite indexes, but I do not know how to determine the optimal column order for a composite index with m…

LAST UPDATE:     1 Dec 15, 2016 APPLIES TO:     1 2 3 4 Oracle Database - Enterprise Edition - Version 7.0.16.0 and later Oracle Database - Standard Edition - Version 7.0.16.0 and later Oracle Database - Personal Edition - Version 7.1.4.0 and later I…

Index Organized table by itself is a B-tree index. Index key is the primary key and the rest of columns are index values. The rows are stored in the primary key order. IOT provides fast access to a specific row by primary ke or the prefix of primary…

转:http://blog.itpub.net/17203031/viewspace-744477 对关系型数据库产品(RDBMS)而言,一个重要特性就是:数据信息都被组织为二维数据表,信息的表达可以通过一系列的关联(Join)来完成.具体数据库产品在实现这个标准的时候,又有千差万别的特点.就是一个特定的数据库RDBMS产品,往往也提供不同的实现方法. 1.从堆表(Heap Table)到索引组织表(Index Organization Table) Oracle作为一款成熟的数据库软件产品,就…

原题链接在这里:https://leetcode.com/problems/most-stones-removed-with-same-row-or-column/ 题目: On a 2D plane, we place stones at some integer coordinate points.  Each coordinate point may have at most one stone. Now, a move consists of removing a stone that…

THIS IS A COPY FROM BLOG Ways of incorporating Bar Codes into your Netsuite Saved Searches.    Code 39: Step 1: Load web font file into the file cabinet and set to available without login. You can use the font file provided or a custom bar code font.…

Mysql 5.7.17发布了,主要修复: Changes in MySQL 5.7.17 (2016-12-12, General Availability) Compilation Notes MySQL Enterprise Notes Packaging Notes Security Notes Test Suite Notes Functionality Added or Changed Bugs Fixed Compilation Notes For GCC versions hig…

13.1.17 CREATE TABLE Syntax 13.1.17.1 CREATE TABLE ... LIKE Syntax 13.1.17.2 CREATE TABLE ... SELECT Syntax 13.1.17.3 Using FOREIGN KEY Constraints 13.1.17.4 Silent Column Specification Changes CREATE [TEMPORARY] TABLE [IF NOT EXISTS] tbl_name (creat…

Content Providers In this document Content provider basics Querying a content provider Modifying data in a provider Creating a content provider Content URI summary Key classes ContentProvider ContentResolver Cursor Content providers store and retriev…