creating and manipulating data
Creating and Management Data Base
... trợ giải pháp máy chủ standby RDBMS and Data Management/ Session 7/18 of 25 Nhóm tập tin ghi vết giao dịch Thêm tập tin ghi vết vào sở liệu Cú pháp: ALTER DATABASE database_name { } [;] ::= ... tạo Cú pháp: CREATE DATABASE database_snapshot_name ON ( NAME = logical_file_name, FILENAME = ‘os_file_name’ ) [ , n ] AS SNAPSHOT OF source_database_name [;] RDBMS and Data Management/ Session ... COLLATE collation_name ] ] [;] RDBMS and Data Management/ Session 7/15 of 25 Nhóm tập tin ghi vết giao dịch Thêm nhóm tập tin vào CSDL có: Cú pháp ALTER DATABASE database_name { ...
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Module 6: Creating and Manipulating Sets
... cube metadata and functions that use a subquery to retrieve actual data form the cube, although the function returns only a set of members and no actual data Introduce the Order, TopCount, and Filter ... PURPOSES ONLY 26 Module 6: Creating and Manipulating Sets Head and Tail Functions Topic Objective To describe Head and Tail functions ! Head Function $ Lead-in The Head and Tail functions extract ... specific cube, and then saving the cube - or Repeating the preceding restore database procedure BETA MATERIALS FOR MICROSOFT CERTIFIED TRAINER PREPARATION PURPOSES ONLY Module 6: Creating and Manipulating...
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Tài liệu Module 5: Creating and Manipulating Trees Using DOM ppt
... XmlDocument() myxmlDoc.LoadXml(myXMLData) 10 Module 5: Creating and Manipulating Trees Using DOM How to Navigate the DOM Node Tree ! To navigate the tree to retrieve metadata and data Dim Dim Dim Dim Dim ... Module 5: Creating and Manipulating Trees Using DOM 19 ! Run your DOM application from the command line Click Start, and then click Run Type cmd, and then click OK to open a command prompt window ... navigating and manipulating Web documents, including XML and HTML data b It is a set of application programming interfaces developed by Microsoft for reading and writing XML and HTML data c It...
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Tài liệu Consuming and Manipulating Data docx
... data from, modify data in, and update data sources The DataSet Class The DataSet is a collection of DataTable objects that represent the underlying data of a data source A DataSet has zero or ... disconnected data (such as the DataSet class) System .Data. Common Contains utility classes and interfaces that the data providers inherit and implement System .Data. SqlClient Contains the SQL Server NET data ... Description DataColumnCollection DataColumn The DataColumn object contains data that describes the data in the column (metadata): the column name, the data type, whether the column can be NULL, and so...
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Tài liệu Creating and Using a DataRelation Object doc
... DataRelation(string dataRelationName, DataColumn[] parentDataColumns, DataColumn[] childDataColumns) DataRelation(string dataRelationName, DataColumn parentDataColumn, DataColumn childDataColumn, bool ... of your DataRelation parentDataColumn and parentDataColumnsare the DataColumn objects in the parent DataTable childDataColumn and childDataColumns are the DataColumn objects in the child DataTable ... program Creating the DataRelation The DataRelation constructor is overloaded as follows: DataRelation(string dataRelationName, DataColumn parentDataColumn, DataColumn childDataColumn) DataRelation(string...
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Tài liệu Creating and Using a DataView Object doc
... SqlDataAdapter mySqlDataAdapter = new SqlDataAdapter(); mySqlDataAdapter.SelectCommand = mySqlCommand; DataSet myDataSet = new DataSet(); mySqlConnection.Open(); mySqlDataAdapter.Fill(myDataSet, "Customers"); ... "server=localhost;database=Northwind;uid=sa;pwd=sa" ); SqlCommand mySqlCommand = mySqlConnection.CreateCommand(); mySqlCommand.CommandText = "SELECT CustomerID, CompanyName, Country " + "FROM Customers"; SqlDataAdapter ... sortExpression, and rowStateFilter to the DataView constructor: DataView customersDV = new DataView( customersDT, filterExpression, sortExpression, rowStateFilter ); You can also create a DataView and set...
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Tài liệu Creating and Using a DataViewManager Object pdf
... SqlDataAdapter mySqlDataAdapter = new SqlDataAdapter(); mySqlDataAdapter.SelectCommand = mySqlCommand; DataSet myDataSet = new DataSet(); mySqlConnection.Open(); mySqlDataAdapter.Fill(myDataSet, "Customers"); ... "server=localhost;database=Northwind;uid=sa;pwd=sa" ); SqlCommand mySqlCommand = mySqlConnection.CreateCommand(); mySqlCommand.CommandText = "SELECT CustomerID, CompanyName, Country " + "FROM Customers"; SqlDataAdapter ... mySqlConnection.Close(); DataTable customersDT = myDataSet.Tables["Customers"]; // create a DataViewManager object named myDVM DataViewManager myDVM = new DataViewManager(myDataSet); // set the Sort and RowFilter...
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QUERYING AND MANIPULATING TEMPORAL DATABASES pdf
... valid timestamps and the allocation of transaction timestamps, and (ii) the UPDATE command must carry out various “forms” of non-destructive updates and (iii) the DELETE command must allow the ... maintain and distinguish these two types of facts, and we can distinguish, in addition, the updates made with retroactive effect and these performed with postactive effects International Journal of Database ... as data introduced with retroactive effects, with postactive effects or erroneous data To simplify the search of these data, we propose to define bitemporal versions for each of the operators and...
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Creating your MySQL Database: Practical Design Tips and Techniques pdf
... isolated data islands created by users or departments so that the data can benefit the whole enterprise It may also happen that fewer islands exist and redundant data is eliminated Data Modeling Data ... But this is my Data! When building data designs, we have to meet users and understand the enterprise's data flow In an ideal world, every department, including the IT department, and every user ... Merge and Split Unregistered Version - http://www.simpopdf.com Creating your MySQL Database: Practical Design Tips and Techniques A short guide for everyone on how to structure their data and set...
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creating your mysql database practical design tips and techniques phần 1 pps
... Merge and Split Unregistered Version - http://www.simpopdf.com Creating your MySQL Database: Practical Design Tips and Techniques A short guide for everyone on how to structure their data and set ... up their MySQL database tables efficiently and easily Marc Delisle BIRMINGHAM - MUMBAI Simpo PDF Merge and Split Unregistered Version - http://www.simpopdf.com Creating your MySQL Database: Practical ... Introducing MySQL Design MySQL's Popularity and Impact The Need for MySQL Design "What I Next?" Data Design Steps Data as a Resource But this is my Data! Data Modeling Overview of the Relational...
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creating your mysql database practical design tips and techniques phần 3 ppsx
... http://www.simpopdf.com Data Collecting In order to structure data, one must first gather data elements and establish the domain to which this data applies This chapter deals with raw data information ... visualize and less familiar with concepts However, there are distinctions between the user interface (UI) and the underlying data UI design considers ergonomic and aesthetic issues, whereas data structuring ... or other sources, and the techniques that can help us to build a comprehensive data collection This collection will become our input for all further activities like data naming and grouping To...
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creating your mysql database practical design tips and techniques phần 4 pdf
... change in the data structure • A change in the code (UI and reports) To stay flexible and avoid the wide-table syndrome, we need two tables: car_event and event [ 30 ] Simpo PDF Merge and Split Unregistered ... date (and time), a single column can handle it all, although at the UI level, separate entry fields should be displayed for year, month, and day This is to avoid any possibility of mix-up and also ... rest into data elements of their own Moreover, people often enter formatting characters like (418) 111-2222 and expect those to be output back So, a standard output format must be chosen, and then...
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creating your mysql database practical design tips and techniques phần 5 docx
... clear and understandable data structure, proper data elements naming is important We examined many techniques to apply in order to build consistent table and column names [ 37 ] Simpo PDF Merge and ... http://www.simpopdf.com Simpo PDF Merge and Split Unregistered Version - http://www.simpopdf.com Data Grouping In the previous chapters, we built a data collection, and started to clean it by proper ... We now have to examine our work and verify that we have respected the principles We have a primary key, but what about redundancy and dependency? Data Redundancy and Dependency Whenever possible,...
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creating your mysql database practical design tips and techniques phần 6 ppt
... *internal_number 412 quantity_cleaning_product 12 Avoiding ENUM and SET MySQL and SQL in general offer what looks like convenient data types: ENUM and SET types Both types permit us to specify a list of ... ENUM or SET and we are using phpMyAdmin's insertion or data edit panels, a dropdown list of the values is displayed so it might be tempting to use those data types [ 46 ] Simpo PDF Merge and Split ... structure handle them? We can assess the risk factor associated with those exceptions, versus the cost of handling them and the possible loss in performance for the queries [ 48 ] Simpo PDF Merge and...
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creating your mysql database practical design tips and techniques phần 9 pdf
... plane_brand_ model column name sample value *brand_id *id description APM-300 Here, the brand_id and a unique id form the primary keys for the plane model We want to know to which brand this ... and the database schema, let's see our tables in action! We will enter sample values into the tables, and then build some SQL queries in order to pull the needed data [ 87 ] Simpo PDF Merge and ... name For example, a data element identified as pilot_last_name will become the column last_name in the� pilot table Sample values and more detailed information about each data element appear...
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creating your mysql database practical design tips and techniques phần 10 ppsx
... BLOB datatype 62 CHAR datatype 61 datatypes 61 datatypes and storage methods 61 InnoDB 55 query optimizer 60 storage engines 54 TEXT datatype 62 VARCHAR datatype 61 [ 92 ] Simpo PDF Merge and ... dealer 11 data elements 22 general manager, data elements 23 sales contract, data elements 23 salesperson, data elements 23 store assistant, data elements 24 data model, building 11 example of data ... 42 D data access policies 51 application level, security 53 as column name 30-32 as results 29, 30 as table name 30-32 data cleaning 27, 28 data design, with case study 11 data structure 10 data...
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Saving and Restoring Data
... XML for the data content of an existing DataSet instance, call its WriteXml method, passing an output file name C# DataSet infoSet = new DataSet(); // - Add tables, relations, and data, then ... format Reading XML Both the DataSet and DataTable classes include ReadXml and ReadXmlSchema counterparts to the XML-writing methods To use them, create a new DataSet or DataTable instance; then ... XmlReadMode.ReadSchema Reconstructs the DataTable members of the DataSet without loading in the data Chapter 7 Saving and Restoring Data 111 ■■ XmlReadMode.IgnoreSchema Loads in the data, ignoring any schema...
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Creating and Editing Files
... window and choose a command from the Refactor submenu You can use the Undo command to roll back all the changes in all the files that were affected by the refactoring 26 Chapter Creating and Editing ... command removes the bookmark F2 30 Description of Command Next Bookmark Go to the next bookmark Chapter Creating and Editing Files Using NetBeansTM 5.0 IDE Keyboard Shortcut Description of Command ... the new class and then click Open in Editor You can now modify the class in the Source Editor and save it The new class is now available in the New File wizard 22 Chapter Creating and Editing Files...
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