JPS61170840A - 結合処理における中間データ生成方法 - Google Patents

結合処理における中間データ生成方法

Info

Publication number
JPS61170840A
JPS61170840A JP60012159A JP1215985A JPS61170840A JP S61170840 A JPS61170840 A JP S61170840A JP 60012159 A JP60012159 A JP 60012159A JP 1215985 A JP1215985 A JP 1215985A JP S61170840 A JPS61170840 A JP S61170840A
Authority
JP
Japan
Prior art keywords
join
data
column
columns
index
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP60012159A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0512739B2 (OSRAM
Inventor
Takuji Ishii
石井 卓二
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fujitsu Ltd
Original Assignee
Fujitsu Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to JP60012159A priority Critical patent/JPS61170840A/ja
Publication of JPS61170840A publication Critical patent/JPS61170840A/ja
Publication of JPH0512739B2 publication Critical patent/JPH0512739B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Information Retrieval, Db Structures And Fs Structures Therefor (AREA)
JP60012159A 1985-01-25 1985-01-25 結合処理における中間データ生成方法 Granted JPS61170840A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP60012159A JPS61170840A (ja) 1985-01-25 1985-01-25 結合処理における中間データ生成方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP60012159A JPS61170840A (ja) 1985-01-25 1985-01-25 結合処理における中間データ生成方法

Publications (2)

Publication Number Publication Date
JPS61170840A true JPS61170840A (ja) 1986-08-01
JPH0512739B2 JPH0512739B2 (OSRAM) 1993-02-18

Family

ID=11797671

Family Applications (1)

Application Number Title Priority Date Filing Date
JP60012159A Granted JPS61170840A (ja) 1985-01-25 1985-01-25 結合処理における中間データ生成方法

Country Status (1)

Country Link
JP (1) JPS61170840A (OSRAM)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0293766A (ja) * 1988-09-30 1990-04-04 Hitachi Ltd リレーショナルデータベースのテーブル結合方式
JPH04213765A (ja) * 1990-02-13 1992-08-04 Internatl Business Mach Corp <Ibm> 関係データベースシステムの表を結合する方法

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0293766A (ja) * 1988-09-30 1990-04-04 Hitachi Ltd リレーショナルデータベースのテーブル結合方式
JPH04213765A (ja) * 1990-02-13 1992-08-04 Internatl Business Mach Corp <Ibm> 関係データベースシステムの表を結合する方法

Also Published As

Publication number Publication date
JPH0512739B2 (OSRAM) 1993-02-18

Similar Documents

Publication Publication Date Title
US8332389B2 (en) Join order for a database query
JP2510004B2 (ja) リレ―シヨナル・デ―タベ―ス・システムの問合せ文処理方法
US7945561B1 (en) Methods and apparatus for processing a query joining tables stored at different data sources
US8290936B2 (en) Executing a query plan with display of intermediate results
US6122644A (en) System for halloween protection in a database system
US5465352A (en) Table-and-cache-based database assist method
US8442971B2 (en) Execution plans with different driver sources in multiple threads
US20120096054A1 (en) Reading rows from memory prior to reading rows from secondary storage
EP4430483A1 (en) Late materialization of queried data in database cache
Petersohn et al. Flexible rule-based decomposition and metadata independence in modin: a parallel dataframe system
US6353819B1 (en) Method and system for using dynamically generated code to perform record management layer functions in a relational database manager
US5732258A (en) Method and apparatus for efficiently evaluating exists and not exists equivalent subqueries
US7089249B2 (en) Method and system for managing database having a capability of passing data, and medium relevant thereto
Theodoratos et al. Heuristic optimization of OLAP queries in multidimensionally hierarchically clustered databases
WO2005043409A1 (ja) 表形式データの結合方法、結合装置およびプログラム
JPS61170840A (ja) 結合処理における中間データ生成方法
WO2025081420A1 (zh) 一种基于多表连接的查询处理方法及其装置
JP2780996B2 (ja) 問い合わせ最適化処理方法
JP3066836B2 (ja) 知識ベースシステムにおける高速アクセス方式
JPH0760406B2 (ja) データ処理装置
JPH04215185A (ja) 条件検索処理方式
US20220100730A1 (en) Function-based indexes in database systems
Palvia Heuristic Optimization of Physical Data Bases: Using a Generic and Abstract Design Model
JPH04174071A (ja) ハッシュ処理装置
JPH0259861A (ja) 索引付文書作成・保管・検索装置

Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees