CN106202254A - A kind of querying method and data query system - Google Patents
A kind of querying method and data query system Download PDFInfo
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- CN106202254A CN106202254A CN201610498465.3A CN201610498465A CN106202254A CN 106202254 A CN106202254 A CN 106202254A CN 201610498465 A CN201610498465 A CN 201610498465A CN 106202254 A CN106202254 A CN 106202254A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
- G06F16/24—Querying
- G06F16/245—Query processing
- G06F16/2458—Special types of queries, e.g. statistical queries, fuzzy queries or distributed queries
- G06F16/2468—Fuzzy queries
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Abstract
The invention discloses a kind of querying method and data query system, the method includes: set up a middle key, described middle key at least including, the Query Result ID that a keyword is corresponding with described keyword, described Query Result ID are the ID that Query Result that this keyword is exported by fuzzy query in former data base is corresponding；Receive the keyword of user's input；Described keyword is accurately searched in described middle key；If the success of described keyword match, then according to the Query Result ID that keyword described in described middle key is corresponding, described former data base obtains described Query Information corresponding for Query Result ID；If described keyword match is unsuccessful, then described keyword is carried out fuzzy query in described former data base, and export Query Information, in order to reduce the time of fuzzy query, improve the efficiency of fuzzy query.
Description
Technical field
The present invention relates to data query field, particularly relate to a kind of querying method and data query system.
Background technology
Fuzzy query is most a kind of research tool of computer searching information, can be found by it and to want
Information.Fuzzy query refers to the mode utilizing partial parameters to find related data, generally uses keyword fuzzy search.So-called
Keyword is exactly the character included in register information, such as name lookup, only specifies certain part of name, such as surname or name
Certain in word or combinations thereof, can find associated data.
In the prior art, the Optimization of Fuzzy inquiry in mega project exploitation typically all can need third party software real
Existing, third party software installs the most cumbersome, and maintenance cost is high.But the Optimization of Fuzzy for middle-size and small-size project
Inquiry, if using third party software, causes project cost high, and if do not use third party software, the time of inquiry will
The slowest.
Therefore, in middle-size and small-size project, how need not third party software and can also inquire about by Optimization of Fuzzy simultaneously, reduce fuzzy
Query time, is those skilled in the art's question of common concern.
Summary of the invention
In consideration of it, it is an object of the invention to provide a kind of querying method and data query system, in order to reduce fuzzy looking into
The time ask, improve the efficiency of fuzzy query.
According to foregoing invention purpose, the present invention provides a kind of querying method, and described method includes:
Step S1, sets up a middle key, at least includes look into corresponding with described keyword of a keyword in described middle key
Asking result ID, described Query Result ID is that the Query Result that this keyword is exported by fuzzy query in former data base is corresponding
ID；
Step S2, receives the keyword of user's input；
Step S3, accurately searches described keyword in described middle key；
Step S4, if the success of described keyword match, then according to the inquiry knot that keyword described in described middle key is corresponding
Really ID, obtains described Query Information corresponding for Query Result ID in described former data base；
Step S5, if described keyword match is unsuccessful, then obscures described keyword in described former data base
Inquiry, and export Query Information.
Preferably, after described step S5, also include:
Query Result ID corresponding for the Query Information of unsuccessful for described coupling keyword and output thereof is write middle key
In.
Preferably, the list item in described former data base at least includes the Query Result ID that keyword, described keyword are corresponding
And described data message corresponding for Query Result ID.
Preferably, described method also includes:
In described middle key, each keyword is also correspondingly provided with the renewal time, and the described renewal time is described keyword
The last time being blurred inquiry in former data base.
Preferably, described method also includes:
One effective time is set in middle key；
The difference of the renewal time that the current time of key word of the inquiry is corresponding with keyword described in middle key is less than effectively
Time, perform step S3-S4；Otherwise, step S5 is performed.
According to foregoing invention purpose, the present invention also provides for a kind of data query system, including former data base and enquiry module,
Described system also includes middle key module, has look into corresponding with described keyword of at least one keyword in described middle key module
Asking result ID, described Query Result ID is that the Query Result that this keyword is exported by fuzzy query in former data base is corresponding
ID, described enquiry module receives the keyword of user's input, uses this keyword to arrive first in described middle key module and carry out essence
Really inquiry, if the success of described keyword match, then according to the Query Result ID that this keyword is corresponding, obtains in described former data base
Take described Query Information corresponding for Query Result ID, if described keyword match is unsuccessful, then by described keyword at described number
According to storehouse carries out fuzzy query, and export Query Information.
Preferably, described middle key module the most also includes:
Dispensing unit, for when keyword is first after former Fuzzy Retrievals of Database, by corresponding for the Query Information of output
Query Result ID write middle key module in.
Preferably, described middle key module the most also includes:
Matching unit, for accurately mating according to keyword, obtains the inquiry knot that in dispensing unit, keyword is corresponding
Really ID.
Preferably, described middle key module the most also includes:
Set of time unit, is also correspondingly provided with the renewal time for each keyword in described middle key module, with
And an effective time is set in systems；
Time comparing unit is corresponding with keyword described in middle key module for the current time of comparison query keyword
The renewal time.
Preferably, described former data base the most also includes:
Retrieval unit, carries out fuzzy query for keyword, obtains Query Result ID and corresponding Query Information.
Compared with prior art, one Optimization of Fuzzy querying method of the present invention and system, have the advantages that centering
For undersize item, it is not necessary to third party software, it is also possible to simply realize Optimization of Fuzzy inquiry, decrease project cost；Logical
Cross and set up an intermediate data table, according to keyword in table and the corresponding relation of Query Result ID, can be directly at former tables of data root
Obtain the data message of user's inquiry according to Query Result ID, thus decrease the time of fuzzy query, improve fuzzy query
Efficiency.
Accompanying drawing explanation
Fig. 1 is the flow chart of a kind of querying method of the embodiment of the present invention；
Fig. 2 is the structure chart of a kind of data query system of the embodiment of the present invention；
Detailed description of the invention
Mentioning as in background technology, for centering undersize item, how need not third party software simultaneously can also
Optimization of Fuzzy is inquired about, and reduces the fuzzy query time, is question of common concern.
Therefore, the present invention, by setting up a middle key, at least includes in this middle key that a keyword is corresponding with keyword
Query Result ID, this Query Result ID are that the Query Result that this keyword is exported by fuzzy query in former data base is corresponding
ID；Keyword according to user's input carries out keyword match in middle key, then corresponding according to this keyword in middle key
Query Result ID, obtains corresponding data message according to this Query Result ID in former data base, thus decreases inquiry data
The time of table.
Below by way of specific instantiation accompanying drawings embodiments of the present invention, those skilled in the art can
Further advantage and effect of the present invention is understood easily by content disclosed in the present specification.The present invention also can be different by other
Instantiation implemented or applied, the every details in this specification also can based on different viewpoints and application, without departing substantially from
Various modification and change is carried out under the spirit of the present invention.
Fig. 1 is the flow chart of a kind of querying method of one embodiment of the invention.As it is shown in figure 1, the method includes:
S1: set up a middle key, at least includes the Query Result ID that a keyword is corresponding with this keyword in this middle key,
This Query Result ID is the ID that Query Result that this keyword is exported by fuzzy query in former data base is corresponding；
S2: receive the keyword of user's input；
S3: this keyword is accurately searched in middle key；
S4: if keyword match success, then according to the Query Result ID that this keyword in middle key is corresponding, former data base
The Query Information that middle acquisition this Query Result ID is corresponding；
S5: if keyword match is unsuccessful, then carry out this keyword fuzzy query in former data base, and export inquiry
Information.
Preferably, after step S5, also include:
By in Query Result ID write middle key corresponding for the Query Information mating unsuccessful keyword and output thereof.
In the present embodiment, in former data base, storage has many data information records, and the list item in former data base is at least
The data message that the Query Result ID corresponding including keyword, keyword and Query Result ID is corresponding.
In the present embodiment, can be obscured former data base carries out keyword by certain algorithm or program
Inquiry is set up and updates middle key, such as, utilizes the free time of server, such as, arrange some conventional key words, logical
Cross operation one procedure script former data base is carried out keyword fuzzy query and obtains Query Result, such that it is able to set up or
Person's regular update middle key, these are for those skilled in the art, are also knowable；Key can also be inquired about by user
Word, after the method using the present invention, updates and increases the list item of middle key.
Below the present invention is illustrated with regard to a specific embodiment.User wants to search " Wang little Ming " this people, but only remembers have
" bright " this word, the several words in name all forget.User inputs " bright " this word at mobile terminal.Such as, during table 1 is
Between the list item of key.
Such as, the list item during table 2 is former data base.
Obtain user input keyword " bright ", keyword " bright " is mated in middle key, if the match is successful, in
Between key finds the Query Result ID that this keyword " bright " is corresponding, as shown in table 1, the Query Result ID that keyword " bright " is corresponding
For ID1, ID2, ID3, ID4, then will mate in former data base according to Query Result ID1, ID2, ID3, ID4, obtain former
Data message corresponding for Query Result ID in data base, as shown in table 2, returns to user by data message, and user obtains these
Data message；If keyword " bright " mates unsuccessful in middle key, then in former data base, carry out keyword " bright " obscure
Inquiry, obtains Query Result ID, Query Result ID1, ID2, ID3, ID4 as shown in table 2 that keyword " bright " is corresponding, and obtains
The data message that Query Result ID is corresponding, returns to user by data message, simultaneously by keyword " bright " and Query Result ID1,
ID2, ID3, ID4 recorded in middle key, and corresponding in table, as shown in table 1, have user to carry out key word of the inquiry the most again
" bright ", it is possible to inquire about in middle key, in former data base, directly obtain data message according to the Query Result ID in table, subtract
Lack query time.
The another embodiment of the present invention, this embodiment also includes:
In middle key, each keyword is also correspondingly provided with the renewal time, and this renewal time is that this keyword is in former data
The last time being blurred inquiry in storehouse；
One effective time is set in middle key；
The difference of the renewal time that the current time of key word of the inquiry is corresponding with keyword described in middle key is less than effectively
Time, perform step S3-S4；Otherwise, step S5 is performed.
In the present embodiment, if difference is more than effective time, then keyword is carried out in former data base fuzzy query, will
Current time is set to the renewal time, then by Query Result ID corresponding in former data base, this keyword and renewal time record
In the list item that intermediate data table is corresponding, and obtain data message corresponding for Query Result ID in former data base.
In the present embodiment, arranging an effective time in systems, this effective time is used to indicate that list item in middle key
Effective time.Effective time can be several different numerical value, such as, and the effective time that the key word that timeliness is short is arranged
Short, long to the effective time of the key word setting of timeliness length, such as, keyword is " weather forecast " class, stronger because having
Ageing, shorter effective time can be set.
To sum up, the present invention, by setting up a middle key, at least includes in this middle key that a keyword is corresponding with keyword
Query Result ID, this Query Result ID are that the Query Result that this keyword is exported by fuzzy query in former data base is corresponding
ID；Keyword according to user's input carries out keyword match in middle key, then corresponding according to this keyword in middle key
Query Result ID, obtains corresponding data message according to this Query Result ID, it is also possible to simply realize excellent in former data base
Change fuzzy query, it is not necessary to third party software, thus decrease project cost；Decrease the time of fuzzy query simultaneously, improve
The efficiency of inquiry.
Fig. 2 is the structure chart of a kind of data query system of embodiments of the invention.As in figure 2 it is shown, this system includes
Including former DBM 20 and enquiry module 21, this system also includes middle key module 22, has at least in middle key module 22
The Query Result ID that one keyword is corresponding with this keyword, this Query Result ID are that this keyword passes through mould in former data base 20
Sticking with paste the ID that the Query Result of inquiry output is corresponding, enquiry module 1 receives the keyword of user's input, uses this keyword to arrive first
Middle key module 22 is accurately inquired about, if keyword match success, then according to the Query Result ID that this keyword is corresponding,
Former data base 20 obtains Query Information corresponding to Query Result ID, if keyword match is unsuccessful, then by keyword at former number
According to storehouse 20 carries out fuzzy query, and export Query Information.
This middle key module 22 specifically also includes:
Dispensing unit 220, for when keyword is first after former Fuzzy Retrievals of Database, by the Query Information pair of output
In the Query Result ID write middle key module answered.
Matching unit 221, for accurately mating according to keyword, obtains the inquiry that in dispensing unit, keyword is corresponding
Result ID；
Set of time unit 222, is also correspondingly provided with the renewal time for each keyword in described middle key module,
And an effective time is set in systems；
Time comparing unit 223, for keyword described in the current time of comparison query keyword and middle key module
The corresponding renewal time.
Former DBM 20 specifically also includes:
Retrieval unit 201, carries out fuzzy query for keyword, obtains Query Result ID and corresponding Query Information.
In sum, one querying method of the present invention and data query system, for centering undersize item, it is not necessary to the 3rd
Side's software, it is also possible to simply realize Optimization of Fuzzy inquiry, decrease project cost；Decrease the time of fuzzy query simultaneously,
Improve the efficiency of fuzzy query.
Above-described embodiment all can be repaiied by any those skilled in the art under the spirit and the scope of the present invention
Decorations and change.Therefore, the scope of the present invention, should be as listed by claims.
Claims (10)
1. a querying method, it is characterised in that described method includes:
Step S1, sets up a middle key, at least includes the inquiry knot that a keyword is corresponding with described keyword in described middle key
Really ID, described Query Result ID are the ID that Query Result that this keyword is exported by fuzzy query in former data base is corresponding；
Step S2, receives the keyword of user's input；
Step S3, accurately searches described keyword in described middle key；
Step S4, if the success of described keyword match, then according to the Query Result ID that keyword described in described middle key is corresponding,
Described Query Information corresponding for Query Result ID is obtained in described former data base；
Step S5, if described keyword match is unsuccessful, then carries out fuzzy query by described keyword in described former data base,
And export Query Information.
2. a kind of querying method as claimed in claim 1, it is characterised in that after described step S5, also include:
By in Query Result ID write middle key corresponding for the Query Information of unsuccessful for described coupling keyword and output thereof.
3. a kind of querying method as claimed in claim 1, it is characterised in that the list item in described former data base at least includes closing
Query Result ID that key word, described keyword are corresponding and described data message corresponding for Query Result ID.
4. a kind of querying method as claimed in claim 1, it is characterised in that described method also includes:
In described middle key, each keyword is also correspondingly provided with the renewal time, and the described renewal time is that described keyword is former
The last time being blurred inquiry in data base.
5. a kind of querying method as claimed in claim 4, it is characterised in that described method also includes:
One effective time is set in middle key；
The difference of the renewal time that the current time of key word of the inquiry is corresponding with keyword described in middle key is less than effective time,
Perform step S3-S4；Otherwise, step S5 is performed.
6. a data query system, including former DBM and enquiry module, it is characterised in that also include middle key mould
Block, has the Query Result ID that at least one keyword is corresponding with described keyword, described Query Result in described middle key module
ID is the ID that Query Result that this keyword is exported by fuzzy query in former data base is corresponding, and described enquiry module receives one
The keyword of user's input, uses this keyword to arrive first in described middle key module and accurately inquires about, if described keyword
It is made into merit, then according to the Query Result ID that this keyword is corresponding, described former data base obtains described Query Result ID corresponding
Query Information, if described keyword match is unsuccessful, then described keyword is carried out in the database fuzzy query, and
Output Query Information.
7. a kind of data query system as claimed in claim 6, it is characterised in that described middle key module the most also includes:
Dispensing unit, for when keyword is first after former Fuzzy Retrievals of Database, looks into corresponding for the Query Information of output
Ask in result ID write middle key module.
8. a kind of data query system as claimed in claim 6, it is characterised in that described middle key module the most also includes:
Matching unit, for accurately mating according to keyword, obtains the Query Result ID that in dispensing unit, keyword is corresponding.
9. a kind of data query system as claimed in claim 6, it is characterised in that described middle key module the most also includes:
Set of time unit, is also correspondingly provided with a renewal time, Yi Ji for each keyword in described middle key module
System arranges an effective time；
Time comparing unit is corresponding more with keyword described in middle key module for the current time of comparison query keyword
The new time.
10. require a kind of data query system as described in 6 such as claim, it is characterised in that described former DBM is concrete
Also include:
Retrieval unit, carries out fuzzy query for keyword, obtains Query Result ID and corresponding Query Information.
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| CN110377647A (en) * | 2019-07-30 | 2019-10-25 | 江门职业技术学院 | One kind being based on distributed data base demand information querying method and system |
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Application publication date: 20161207 |