29 results about "Database application" patented technology

The invention provides a multi-database dialect fused language specification, a multi-database dialect fused language conversion method and a multi-database dialect fused language conversion system, and relates to the technical field of databases. A user inputs a unified SQL statement and selects the type of a target database, lexical analysis and grammatical analysis are performed on the unified SQL statement, an abstract syntax tree is constructed, semantic analysis is performed, dialect characteristics in the unified SQL statement are identified, the support condition of the dialect characteristics in the target database is verified, and a dialect conversion strategy is provided. And selecting a corresponding conversion rule in the unified SQL specification library, converting the grammar of the unified SQL statement into the dialect grammar of the target database, and generating the SQL statement. According to the method, one set of SQL and multi-database support is realized through unified SQL specification formulation, intelligent dialect adaptation and configuration driving, a complete technical solution is provided for cross-database application development, and technical challenges caused by database dialect differences are solved.

The application relates to a primary key generation method and an electronic device, and belongs to the technical field of databases. The method comprises the following steps: when storage processing is performed, a first identification sequence is generated based on current system timestamp information processing; a second identification sequence is generated based on creation date information processing of obtained to-be-stored data records; and splicing processing is performed based on the first identification sequence and the second identification sequence, and a third identification sequence obtained through the processing is taken as a primary key of the to-be-stored data records. According to the technical scheme, the generated primary key contains timestamp information and creation date information of the data records. The primary key generated in this way can guarantee the global uniqueness and global monotonicity of the primary key, and can extract sharding information for table sharding according to dates from the primary key, so that in a database application scenario of time storage and table sharding, the sharding table can be accurately positioned when the primary key is queried.

The application discloses a kind of API gateway application access authorization and management method across resource pool, the method includes the following steps: S1: when creating application, controller is configured to be stored to nationwide area database Application, as global configuration center;S2: authorization process;S3: cancel authorization process;S4: user calls API application scene;A kind of API gateway application access authorization and management system across resource pool, the system is applicable to any one of the above method, and system includes: one: the application configuration storage module based on database implementation across resource pool;Two: application configuration adaptation module;Three: authentication authorization management module based on plug-in;Four: API calling SDK.The application improves efficiency and performance, reduces resource overhead, flexibly controls consumer configuration using consumer-restriction plug-in, but does not affect the dependence of other APIs on consumers, is simple and easy to use, improves the security capability and application scene of gateway.

Methods, systems, and apparatus, including computer programs encoded on a computer storage medium, for generating trace log messages. A database server may include an agent or other feature to monitor and track performance of the database server to generate the trace log messages. The agent can use one or more identifiers associated with the database commands to generate the trace log messages. In particular, the agent can obtain such identifiers as part of the context data that is associated with a session established between a client application and the database server.

The application relates to the technical field of data processing and database application, and discloses a data import method and device for data verification combined with database rules, which comprises the following steps: establishing the connection of a to-be-imported data source and a target database, obtaining metadata information and a plurality of database constraint rules; performing format standardization and invalid data cleaning on the extracted to-be-imported data; carrying out multi-dimensional verification based on the database rules, distinguishing the passed and unpassed data and marking the rule violation types; batch importing the qualified data into the target database, generating a detailed verification report for the unqualified data to feed back to the user, and supporting the correction of the data for reprocessing. In the application, full-dimensional verification is realized through deep linkage of database native rules, the data integrity and import efficiency are guaranteed through standardized preprocessing, batch import and transaction mechanism, the maintenance cost is reduced through accurate feedback and closed-loop processing, the application is suitable for a plurality of databases and data sources, and the accuracy, reliability and convenience of data import are greatly improved.

A tree database includes nodes organized as one or more tree data structures. The nodes contain both function and data properties in the form of script files in an interpreter environment. The database is event-driven. Responsive to an event, a node can spawn a new child node in the tree, which contains a data item associated with the event, enabling the tree database to grow as events and data arrive. Query events, initialization, and purging are also supported. Example applications of a communication appliance, an educational quiz, and a music database are provided.

A method and system for restoring a digital backup of a database application hosted on a virtual machine are presented. The method includes generating a bootable volume on a new virtual machine, wherein the new virtual machine is different than the virtual machine hosting the database application; importing data from a plurality of files into the bootable volume, wherein the plurality of files are included in a data backup of the digital backup, and wherein each file of the plurality of files is in a column-oriented storage format; and restoring a virtualization backup included in the digital backup into the bootable volume.

A database manager is disclosed that retrieves database records having binary encoded data from a database and instantiating objects in an in-memory database. Binary encoding compresses data, allowing many subrecords to be stored a single blob field of a database record. Retrieving chunks from storage reduces transfer time by reducing the size of data and the number of operations needed to retrieve all the subrecords.The database manager receives database access requests from a database application. Changes made to the database objects and committed by the application are written back to the persistent database as versioned delta records. In a subsequent session, loading the database from storage includes first loading the most recent snapshot record, then applying changes to the data stored in delta records. The changes stored in the delta records are applied to the data in the snapshot record in the order in which they were made.

Techniques for enabling cursor-based navigation of query results for any set of database records are described herein. One or more embodiments provide a generic find function for database applications, particularly, to facilitate cursor-based pagination of any query results. The generic find function returns, to the application, both a cursor object that points to a set of query results and a token for tracking the cursor's position while the application user navigates the query results. Specifically, the generic find function is part of an application framework that accepts, as input, a search parameter from an application user and identifies an appropriate pre-defined filter and a set of database-agnostic query parameters that map to the search parameter. The appropriate pre-defined filter may include a matching filter field value. The database application then calls the generic find function to build a query using the pre-defined filter and the set of query parameters.

A system and method for the device may include accessing a database application hosted on a virtual machine, the virtual machine deployed in a computing environment. In addition, the device may include exporting data stored in the database application to a plurality of files, each file utilizing a column-oriented storage format; generating a virtualization backup only of the virtual machine; and generating a data backup of the database application based on the plurality of files.

The application discloses a database application log level modification method and device, electronic equipment and a storage medium. The method comprises the following steps: determining a first instruction; calling a first program according to the first instruction; and modifying a first log level according to the first program. The method can modify the log level of the first log through the first program, acquire detailed log information without affecting the running of the application program, and thus confirm the running of the application program.

The application discloses a data query method and device, the method is executed by a database application server, wherein the method comprises the following steps: receiving a data query request through a preset interface, the data query request matches an external query semantic predefined in the preset interface; analyzing the data query request by using a preset analysis strategy to obtain a data query syntax tree; generating an internal query statement according to the data query syntax tree; and performing data query according to the internal query statement to obtain a data query result. The data query method of the application uses the preset interface with the defined external query semantic to uniformly receive the external query request, avoids exposing the internal implementation of the data query to the outside, is more flexible, improves the query capability of the database query interface, and meets the requirements of different business scenarios.

A method system for generating a digital backup of database applications to allow join operations. The method includes accessing a plurality of database applications hosted on a plurality of virtual machines; exporting data stored in the database applications to a plurality of files, each file utilizing a column-oriented storage format; generating a joinable backup by at least computing searchable values for each table in the plurality of database applications; searching for joinable database tables in the joinable backup; and generating a digital backup of the database application based on the plurality of files and the joinable backup, wherein the digital backup includes at least a list of joinable database tables.

A business analytics conversational tool comprising: a device comprising a communication channel, a natural language processor (NLP), a fulfillment application program interface (F-API), a database application program interface (D-API), and a business management database; wherein: the NLP receives a user-input from a user through the communication channel; the NLP deduces an intent of the user-input; the NLP communicates the intent to the F-API; the F-API communicates a request for data associated with the intent to the database via the D-API; the D-API communicates the data associated with the intent to the F-API; the F-API converts the data associated with the intent to conversational form and sends the conversational form for voice output through the communication channel.

This application discloses a data processing method, system, and related equipment for database queries, relating to the field of data processing technology for database queries. It employs a two-layer protection mechanism to limit the amount of data returned at the database driver level and to control the number of rows in the result set during the database application layer result set processing stage. This prevents issues with some drivers, such as the Statement.setMaxRows driver, from failing to take effect. By controlling the number of rows in the result set during the database application layer result set processing stage through this two-layer protection mechanism to obtain the first row of data in the result set, network transmission is reduced, performance is improved, and cross-database compatibility is ensured. This enhances the stability and compatibility of the system during SQL queries using JdbcClient.

In an aspect of the disclosure, a method, a computer-readable medium, and an apparatus are provided. The apparatus may be a UE. A modem of the UE transmits a satellite coverage request to a satellite database application of the UE, the satellite coverage request being based on a current location of the UE. The modem receives a satellite coverage response from the satellite database application. The satellite coverage response may include satellite coverage information generated by the satellite database application based on the current location of the UE and a local database stored on the UE. The modem performs a satellite coverage assisted operation based on the satellite coverage information.

A system and method for the device may include accessing a database application hosted on a virtual machine, the virtual machine deployed in a computing environment. In addition, the device may include exporting data stored in the database application to a plurality of files, each file utilizing a column-oriented storage format; generating a virtualization backup only of the virtual machine; and generating a data backup of the database application based on the plurality of files.

The invention belongs to the field of digital twinning and physical field prediction, and discloses a physical field prediction software architecture and prediction method based on modal decomposition, and the physical field prediction software architecture comprises a preprocessing module and a prediction module; the preprocessing module is used for reading original data according to a preset data reading method and integrating the read data into a snapshot matrix; performing modal decomposition on the snapshot matrix according to a predetermined modal decomposition algorithm to obtain an expert evaluation database; the prediction module is used for obtaining a primary function coefficient according to a defined primary function coefficient calculation method; obtaining a physical field prediction result according to the primary function coefficient and the expert evaluation database; the method does not need to depend on grids of specific structures or complex self-programming codes, can adapt to physical field data of different types and different sources, and improves the universality of the modal decomposition technology in actual engineering application; through accurate primary function coefficient calculation and reasonable expert evaluation database application, the calculation precision of physical field prediction can be effectively improved.

The invention relates to the field of database management, and provides a CEPH database high-utility system, method, device and medium, the system comprises a PGSQL database configured to send an SQL request stream; the storage pool database decoupling module is configured to be used for initializing a PGSQL database on the CEPH storage cluster and monitoring the node state of the PGSQL database; the security gateway module is configured to receive the node state of the PGSQL database through the storage pool database decoupling module; the intelligent shunt module is configured to perform load evaluation on the node state and the SQL request stream of the PGSQL database, perform shunt according to an evaluation result, and reestablish a session state for the shunted SQL request stream; and the virtual IP certificate authentication protocol module is configured to be used for generating and distributing certificates for the nodes of the PGSQL database and carrying out virtual IP switching.

The invention discloses a vehicle data display method and system, electronic equipment and a storage medium, and relates to the field of vehicle-machine interaction, and the method comprises the steps: collecting vehicle basic data and fault information; preprocessing the vehicle basic data and the fault information to obtain preprocessed vehicle data; transmitting the pre-processed vehicle data to an application program; the application program receives the preprocessed vehicle data, classifies and integrates the preprocessed vehicle data through a preset algorithm, and generates vehicle operation data; the vehicle operation data comprises stroke data, energy consumption data, state data and fault data; recording and storing the instantaneous data in real time to generate a historical database; the application program displays the vehicle operation data and calls a historical database in multiple dimensions; the target user performs touch interaction through the application program, the limitation of the physical space of the instrument on the data volume is broken through by utilizing the larger display size of the central control screen, the simultaneous display of multiple types of data is realized, and the frequent operation of the user for obtaining key information is avoided.

1. The name of the design product: server with display screen. 2. The use of the design product: server for various office business systems, database applications, file storage, Internet WEB access and server virtualization, etc., with a display screen providing power-on self-test, error reporting and other information. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view 1.

1.The name of the design product: the graphical user interface of the database medical image display of electronic equipment. 2.The use of the design product: an electronic device. 3.The design points of the design product: the graphical user interface. 4.The picture or photo that best shows the design points: interface change state diagram 2. 5.Other views are conventional designs, and other views are omitted. 6.The use of the graphical user interface: the interface of the design product is the graphical user interface for displaying the basic information of the database for calculating intraocular lenses and astigmatism lenses. 7.The human-computer interaction mode of the graphical user interface: the main view is the home page interface after user login; in the main view, double-click any position of the patient scan data area of the interface right side information column "eye state", the interface jumps to the structure display interface, enters interface change state diagram 1; in interface change state diagram 1, click the "IOL lens calculation" button in the menu bar on the left side of the interface, the interface jumps to the IOL database application interface, enters interface change state diagram 2; in interface change state diagram 2, click the "IOL database" button above the interface, enter interface change state diagram 3; in interface change state diagram 3, click the "Toric SN6AT (2-9)" button in the lens type list of the interface, enter interface change state diagram 4; in interface change state diagram 4, click the "add" button on the right side of the "spherical parameter" editing column in the interface, enter interface change state diagram 5; the ×××× in the interface represents text and / or numbers and / or letters and / or symbols; the color block area in the interface is variable content, which is not the design points of the design product.

An example computer system and method for masking personally identifiable information in a non-production environment is presented. The computer system includes one or more processors and non-transitory computer-readable storage media. The encoded instructions, when executed by the one or more processors, cause the computer system to: identify columns within a database application that contain PII; register these columns in a configuration table; generate database view definitions that include instructions to replace the PII within the columns with either null values or anonymized data, thus creating compliant views; and generate these compliant views within the production environment. The method also involves extracting test data from the compliant views and loading this data into a user acceptance testing object, facilitating secure testing and development while adhering to data protection standards.

This invention relates to the field of molecular biology and discloses a fish DNA barcode database and its construction method and application based on the mitochondrial genome whole sequence. The method includes: determining the fish list, fish collection and classification identification, DNA extraction, mitochondrial whole genome sequencing and analysis, DNA barcode library construction, and database application. Based on research foundations and historical data of fish in the target water area, this invention determines the fish list for the target water area and constructs a fish DNA barcode database using mitochondrial whole genome sequencing technology, providing precise database support for fish surveys and monitoring using environmental DNA technology. It solves problems such as insufficient completeness of existing public fish databases, diverse and inconsistent data sources and quality, insufficient regional specificity, potential loss of small population species in comparisons, erroneous comparison results, and the inability to effectively exclude false positive results such as species from non-target areas, as well as the difficulty in accurately identifying closely related species with high genetic similarity.

The invention provides an unstructured data management system and method, and relates to the technical field of data processing. The system comprises an external storage, a database management system, a database application module, a file management module, a synchronization module and a query interface, an index file is established in a directory structure of the external storage, and an index table is established in the database management system; and the synchronization module is used for synchronizing the change generated by the record information in the index table and / or the change generated by the unstructured data file into the index file and the index table. According to the method, the unstructured data is managed by adopting a black box and white box parallel mode, so that the storage efficiency of the unstructured data is improved, and the content consistency and the data integrity between an internal model of the black box mode and an external model of the white box mode are compatible.

This invention provides an intelligent index recommendation method and apparatus for airborne database management. By using airborne database index design data from different scenarios as samples, this invention employs a Naive Bayes model to mine the correlation between airborne database scenario features and index selection. Based on this correlation, it recommends the optimal indexing method for different airborne database application scenario characteristics, establishes database indexes, improves airborne database query efficiency, and enhances the mission support capabilities of the aircraft flight management system. This invention lowers the technical threshold for database management designers, reduces software design and analysis costs, and significantly improves the efficiency of database solution design.

Techniques for enabling cursor-based navigation of query results for any set of database records are described herein. One or more embodiments provide a generic find function for database applications, particularly, to facilitate cursor-based pagination of any query results. The generic find function returns, to the application, both a cursor object that points to a set of query results and a token for tracking the cursor's position while the application user navigates the query results. Specifically, the generic find function is part of an application framework that accepts, as input, a search parameter from an application user and identifies an appropriate pre-defined filter and a set of database-agnostic query parameters that map to the search parameter. The appropriate pre-defined filter may include a matching filter field value. The database application then calls the generic find function to build a query using the pre-defined filter and the set of query parameters.

The application provides a table capacity adjustment method and device, a storage medium and an electronic device, and the method comprises the following steps: obtaining target capacity data of a database application table collected in a preset period; the target capacity data comprises a data volume peak value and a table space size; calculating a space usage rate peak value of the database application table in the period according to the data volume peak value and the table space size; predicting a space usage rate peak value of a future period according to the space usage rate peak value of the period; in the case that the space usage rate peak value of the future period meets an adjustment condition, outputting a capacity adjustment prompt information of the database application table, the capacity adjustment prompt information is used for prompting a user to perform capacity adjustment on the database application table; receiving a capacity adjustment instruction triggered by the user in response to the capacity adjustment prompt information; and performing capacity adjustment on the database application table based on a capacity adjustment parameter in the capacity adjustment instruction. The capacity of the database application table can be dynamically adjusted.

An in-database application package and application instance for a data platform. The data platform creates an application instance of an application package having a versioned schema, creates one or more system roles for the application instance, creates a user role and an administrator role for the application instance, creates one or more objects of the application instance based on a versioned schema, and grants one or more use privileges to the one or more roles. Application instances of the application package are upgraded or patched on the data platform based on application package versions. To ensure a proper upgrade or patch, the data platform tracks versions of executing objects of application instances in a call context.