Skip to navigation Skip to content
Simon Technology Blog
  • Architecture
  • Cloud
  • Database
  • Develop
  • Hardware
  • Industry
  • Language
  • Mobile
  • Opensource
  • OS
  • Web
Main Navigation

Tag: index

Full-text search – use Lucene to use Symfony Index PDF files

I am a Symfony developer, and my web server is Linux. I have used the sfLucene plug-in.

Index the PDF file on the Linux PHP server to What is the easiest way to perform a search?

> XPDF

October 2, 2021By Simo Search Engines file, index, PDF, search, SymfonyLeave a Comment

Performance – Index Size on search speed (storage or not store)

Now, we use Solr as a full-text index, where all the fields of the document are indexed but not stored.
There are millions of documents, and the index size is 50 GB. The average query time is abou

October 2, 2021By Simo Performance index, influence, or No, performance, search, Size, speed, storageLeave a Comment

Select a specific index line in SQLite

I have an index, and I need to find the row in the table with that index in SQLite.
Example:

Index= 1

Table:

ID-Name
aa1 John
aa2 Mark <-- I need this row aa3 Lucy aa4 Jim Which

September 22, 2021By Simo Sqlite index, line, Moist, one, specific, SQLITELeave a Comment

Should I index DateTime in SQLITE?

Is it possible to find a date faster> an appointment? Generally yes, but please remember that SQLite uses only one index per table (except for the OR clause ). Always use EXPLAIN to understand h

September 22, 2021By Simo Sqlite DateTime, index, Should be, SQLITELeave a Comment

SQLite Full-text Search Index

I currently have a diagnostic table. I want to use FTS to search for code and description fields. As far as I know, the FTS table does not support indexing. I need to be able to find the diagnosis

September 22, 2021By Simo Sqlite full text, index, search, SQLITELeave a Comment

PostgreSQL – the best way to make a large number of updates to the index set

The context of this question is PostgreSQL 9.6.5 on AWS RDS.

The question is about a table containing 300 million rows of the following logical data model Best mode design and batch update st

September 21, 2021By Simo Postgresql bit, index, large quantity, method, optimal, pair, percent, PostgreSQL, set, UpdateLeave a Comment

PowerDesigner creates an index

http://www.qeefee.com/article/ws00000400

http://blog.csdn.net/imlmy/article/details/8082383

Export into sql statement:

First select the database to be converted into a physical mo

September 21, 2021By Simo Power Designer Created, index, PowerDesignerLeave a Comment

PostgreSQL big data query Adex sumcore and non-Caocau

1. Create a test table

CREATE TABLE big_data
(
id character varying(50) NOT NULL,
name character varying(50),
datetime timestamp with time zone,
CONSTRAINT big_data_pkey PRIMARY KEY (id)

September 21, 2021By Simo Postgresql data, index, large, plus, PostgreSQL, query, Summary, time consuming, unpredictableLeave a Comment

POSTGRESQL – Slow index of 300GB Postgis table

I load about 300GB of contour data into the postgis table. To speed up the process, I read that it is the fastest to load the data first, and then create an index. It only takes about 2 to load the

September 21, 2021By Simo Postgresql 300GB, GB, index, Postgis, PostgreSQL, slow, tableLeave a Comment

133 mysql view, transaction, index (very important)

Contents

# Data dependency: single table emp# Syntax# Create view mysql>: create view view name [( Aliases)] as select statement; eg>: create view v1 as select dep, max(salary) from emp group

August 22, 2021By Simo Mysql all, index, mysql, transaction, viewLeave a Comment

Posts navigation

Page 1 Page 2
Recent Posts
  • Sencha-Touch-2 – Sencha Touch 2, Nested XML Analysis NodeValue
  • Add a separation line and format XML content
  • Is there a norm of simplified XML subsets?
  • Look at it when you write React
  • ReactJS – Present React Redux React-Router App to add the server to the Firebase hosted by the Firebase
Categories
  • Android
  • Apache
  • Apache Kafka
  • Asp
  • Auto-Test
  • Automated Build
  • Aws
  • Bitcoin
  • Browser
  • C & C++
  • C#
  • Centos
  • Cgi
  • Character
  • Cloud Service
  • Cocos2dx
  • Cordova
  • CSS
  • Data Structure
  • Delphi
  • Design Pattern
  • Dojo
  • Dubbo
  • ELK
  • Flex
  • football
  • Game
  • Hadoop
  • Hibernate
  • HTML
  • Hybrid
  • Intel
  • IOS
  • Ipad
  • iPhone
  • Java
  • Javascript
  • Jetty
  • JQuery
  • Jsp
  • Linux
  • Load Balance
  • Lua
  • Macbook
  • Macos
  • Mathematics
  • Micro Services
  • Monitoring
  • Motherboard
  • Mysql
  • Network Hardware
  • Network Marketing
  • Nginx
  • NodeJs
  • Nosql
  • Oracle
  • Os Theory
  • Performance
  • PHP
  • Postgresql
  • Power Designer
  • React
  • Redis
  • Regexp
  • Rom
  • Rss
  • Ruby
  • Search Engines
  • Shell Script
  • Silicon Valley
  • Silverlight
  • Software Design
  • Spring
  • Sql
  • Sqlite
  • Sqlserver
  • Storage
  • Storm
  • Surface
  • SVN
  • Swift
  • System Architecture
  • Tablet
  • Uncategorized
  • Unix
  • Visual Basic
  • Visual Studio
  • Web Crawler
  • WebService
  • Windows
  • Wireless
  • XML
  • ZooKeeper
Archives
  • October 2021
  • September 2021
  • August 2021
  • May 2021
  • April 2021
  • September 2020
  • September 2019
  • August 2019
  • June 2019
  • May 2019
  • April 2019
  • March 2019
© Simon Technology Blog 2025 • ThemeCountry Powered by WordPress