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Data reading method and device for database

A data reading and database technology, applied in the field of data processing, can solve problems such as inability to accurately obtain data, and achieve the effect of accurate acquisition

Inactive Publication Date: 2015-01-07
BEIJING GRIDSUM TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The main purpose of the present invention is to provide a data reading method and device for the database, to solve the problem in the related art that the data inserted in any batch cannot be accurately obtained from the database

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Embodiment Construction

[0026] It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and examples.

[0027] In order to enable those skilled in the art to better understand the solutions of the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only It is an embodiment of a part of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present invention.

[0028] It should be noted that the terms "first" ...

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Abstract

The invention discloses a data reading method and device for a database. The data reading method of the database includes: receiving a reading instruction, wherein the reading instruction is used for instructing data reading from the database, data inserted into the database at multiple batches are stored in the database and correspond to different identification information, and the reading instruction comprises the identification information corresponding to the data needed to be read from the database; seeking data corresponding to the identification information in the reading instruction from the database; reading the found data from the database. The data reading method and device solve the problem of the relative techniques of incapability of accurately reading the data inserted at any batch from the database, and further achieves the effect of reading the data inserted at any batch from the database.

Description

technical field [0001] The invention relates to the field of data processing, in particular to a data reading method and device for a database. Background technique [0002] In the process of data processing, data processing is usually carried out in batches. For example, a data processing process includes step A and step B, wherein step A is to read one or several log files and extract data from the log files. Insert all the extracted data into the database as the same batch. Step B is to obtain and process the data inserted into the database in this batch. In step B, it is difficult to determine whether the acquired data is the latest batch of data inserted in step A. In addition, when the execution efficiency of step B is high, it is necessary to set and execute step A multiple times, insert multiple batches of data into the database (the number of times is uncertain), and execute step B again. Therefore, what needs to be obtained in step B is not only the data of the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F17/30
CPCG06F16/1815
Inventor 戴培林
Owner BEIJING GRIDSUM TECH CO LTD