retrieving data through structured query language sql

... http://www.simpopdf.com Teach Yourself Database Programming with Visual C++ in 21 days Day Retrieving Data Through Structured Query Language (SQL) q Structured Query Language q The SQL SELECT Statement r The ... "SELECT * FROM Orders" ,SQL_ NTS)); while (::SQLFetch(hstmt) != SQL_ NO _DATA_ FOUND) { ::SQLGetData(hstmt, 1, SQL_ C_LONG, &lResult, 0, &cbResult); } AFX _SQL_ SYNC(::SQLFreeStmt(hstmt ,SQL_ CLOSE)); mfcdb.Close(); ... 11) [9/22/1999 1:43:09 AM] Teach Yourself Database Programming with Visual C++ in 21 days Day 3 -Retrieving Data Through Structured Query Language (SQL) database was first created Simpo PDF Merge...

Ngày tải lên: 13/08/2014, 08:20

... Day 3 -Retrieving Data Through Structured Query Language (SQL) You can see that Visual C++ uses scrollable, updatable cursors when you open a query window You can move back and forth through ... the Right Database Technology," you learned that relational databases have their own language interpreters and type systems On Day 3, "Retrieving Data Through Structured Query Language (SQL) ," you ... is the same query you saw in Day 3, "Retrieving Data Through Structured Query Language (SQL) ," that returns the customer who placed the most recent order Because it's now stored as a Query in the...

Ngày tải lên: 13/08/2014, 08:20

... C++ in 21 days Day Database Design q Database Normalization r Rules of Thumb for Relational Database Design r Normal Forms of the Relational Database Model q SQL Data Definition Language q Using ... a database to ensure ready access to the data q SQL Data Definition Language (DDL) for creating and altering the structure of databases q How to use constraints and indexes in a relational database ... your database designs The optimum database design is often slightly denormalized (but only slightly) SQL Data Definition Language Open your ADOMFC1 project, select the Data View, and open a Query...

Ngày tải lên: 13/08/2014, 08:20

... in Day 4, "Retrieving SQL Data Through a C++ API," Day 5, "Adding, Modifying, and Deleting Data, " and Day 6, "Harnessing the Power of Relational Database Servers." An Overview of Database Client ... with data sources through ODBC Rather, OLE DB providers directly communicate with the data source There is one OLE DB provider, MSDASQL, that can communicate with data sources through ODBC MSDASQL ... you are using DAO to talk to a database server such as Oracle or SQL Server, all the calls into the database and all the data coming out of the database must pass through the Access/Jet engine...

Ngày tải lên: 13/08/2014, 08:20

... http://www.simpopdf.com access to the data in the database is done through SQL Each relational database vendor implements SQL for its own database system Each relational database system contains a SQL engine that ... issues a query to the DataFactory object The DataFactory object on the middle-tier machine uses OLE DB or ODBC to query the database on the data- tier machine The database processes the query and ... as a data member of the other object (As you will recall from Day 2, "Tools for Database Development in Visual C++ Developer Studio," and Day 3, "Retrieving Data Through Structured Query Language...

Ngày tải lên: 13/08/2014, 08:21

... in the application q SQLFetch-Gets the data q SQLGetData-Gets any long data First the application calls SQLNumResultCols to find out how many columns are in each record SQLDescribeCol tells the ... column data in the database with the data in the database? How is the API attached to the MFC Document/View architecture? What routine would have to be modified to change the database SQL Query? ... type of data is stored in each column The application has to bind the data to variables in its address space in order to receive the data Then the application calls SQLFetch or SQLGetData to...

Ngày tải lên: 13/08/2014, 08:21

... CreateDataSource method creates a new data source, -and the DataSource object is initialized to access the new data source The DestroyDataSource method deletes the current data source When a data ... ICommandWithParameters Interface q A SQL Compendium q SQL Queries -Data Manipulation Language r r Clauses r INSERT INTO r UPDATE r q SELECT DELETE SQL -Data Definition Language http://www.pbs.mcp.com/ebooks/0672313502/ch18/ch18.htm ... supported by the data provider q Work with interfaces supported by the Command object q Discover the SQL query/ command language q Understand the differences between SQL data manipulation and data definition...

Ngày tải lên: 13/08/2014, 08:21

... definition Data manipulation language enables you to select and modify database data Data definition language enables you to change the database schema (tables, fields, and indexes) SQL Queries -Data ... Customers.StateOrProvince = 'CA' SQL -Data Definition Language In addition to retrieving, adding, and modifying records in database tables, SQL has three commands that can modify the schema of the database: q CREATE ... a data source: with methods such as CreateTable and CreateIndex or with SQL commands? If your data source provider supports SQL language commands, you should definitely use the SQL command language...

Ngày tải lên: 13/08/2014, 08:21

... Groups OLE DB Object Group GUID Constant Column DataSource DBPROPSET_COLUMN DBPROPSET_DATASOURCE DataSource (information) DBPROPSET_DATASOURCEINFO DataSource (initialization) DBPROPSET_DBINIT Index ... compendium of the SQL command language, I discussed the use of the GetProperties method of the IDBProperties interface to determine whether the data provider supported the SQL command language The ... The property ID to check for SQL support is DPROP_SQLSUPPORT This property is represented as a long integer, which determines the level of SQL support provided by the data provider Listing 20.1...

Ngày tải lên: 13/08/2014, 08:21

... Does the database validate the data type you tried to enter? (You can press Esc to abort the edit.) Day 3, "Retrieving Data Through Structured Query Language (SQL) Quiz What is SQL? SQL is an ... SQL is an acronym for Structured Query Language SQL is a data manipulation and definition language designed specifically for relational databases What is an SQL join? An SQL join is a SELECT statement ... Right Database Technology" r r q Quiz Exercises Day 2, "Tools for Database Development in Visual C++ Developer Studio" r r q Quiz Exercises Day 3, "Retrieving Data Through Structured Query Language...

Ngày tải lên: 13/08/2014, 08:21

... programming language has been popular as both a teaching language and a language used for real world programs C++ is also a widely used programming language It is still the principle language used ... programming language can be used to write object-oriented programs (and it has been done with C), but a true file:///C|/oobook/Chapter1.html (1 of 7) [13/03/2003 02:55:04 }Ç Chapter OO programming language ... inherently easier to design and maintain over time Object-Oriented Languages There are several object-oriented programming languages available to choose from, including Smalltalk, Eiffel, C++,...

Ngày tải lên: 22/08/2013, 14:52

... programming language has been popular as both a teaching language and a language used for real world programs C++ is also a widely used programming language It is still the principle language used ... programming language can be used to write object-oriented programs (and it has been done with C), but a true file:///C|/oobook/Chapter1.html (1 of 7) [13/03/2003 02:55:04 }Ç Chapter OO programming language ... inherently easier to design and maintain over time Object-Oriented Languages There are several object-oriented programming languages available to choose from, including Smalltalk, Eiffel, C++,...

Ngày tải lên: 20/12/2013, 21:16

... Object Pivot Table Data editing Data Edit Buttons Data Validation Offline Switch Simple Edit Buttons Data navigation Data Navigation Buttons Data Navigation Object GoTo Dialog Box GoTo Dialog ... Find Object Locate Button Lookup Combobox QBF (query- by-form) Sort Dialog Box Sort Dialog Box Button Sort Object Sort Selector SQL Pass Through Data utilities Array Handler String Library Date ... Application Data Session Manager Error Object Object State System Toolbar Trace Aware Timer Window Handler Automation Cross Tab Graph by Record Graph Object Mail Merge Object Pivot Table Data editing Data...

Ngày tải lên: 21/12/2013, 20:15

... Intrinsic Data 165 Overview 165 Using Intrinsic Data 166 Cloning an Intrinsic Data ... Chapter OO Programming Concepts Objects An object is a combination of data and the procedures to operate on that data The data is known as the object’s attributes, and the procedures are known ... identifier, allocated to it at creation and fixed for its lifetime Objects hold data, but they not replace files and databases The data in an object exists only during the lifetime of the object Objects...

Ngày tải lên: 12/02/2014, 23:20

... USING DATABASES What Is a Database? The Structure of a Database Database Tables, Fields, and Records Designing Fields for a Database Table Data Normalization Creating Your Own Databases Using SQL ... Management Studio Using SQL The SELECT Statement The WHERE Predicate The ORDER BY Clause Aggregates A DBMS System Displaying Database Data Without Data Binding Performing the Query Edit a Record ... 43 53 54 PART II: UNDERSTANDING C# SYNTAX CHAPTER 3: UNDERSTANDING DATA TYPES Computer Data Integer Data Types Range of Integer Data Types Understanding Binary Numbers Signed Integer Values Which...

Ngày tải lên: 15/02/2014, 07:20

... Primitive Data Types and Arithmetic W e start our exploration of the Java language by examining the different characteristics of data such as type and size, and introduce you to the data types ... Tools 14 Copying and Editing Programs from the CD 15 Summary 17 Primitive Data Types and Arithmetic 1.1 1.2 Data 20 Data Storage 21 Number Systems 1.3 1.4 1.5 19 23 Identifiers 27 Syntax 29 Variables ... Java language can be used to develop standalone application programs that not involve the use of web pages Java is an object-oriented language, unlike Pascal and C, which are procedural languages...

Ngày tải lên: 05/03/2014, 13:20

... Populating a DataTable from a SQL Server Database 215 Populating a DataSet from a SQL Server Database 216 Establishing Relationships Between Tables in a DataSet ... 206 Using the DataReader Object to Retrieve Data 207 Using the DataAdapter to Retrieve Data 208 Working with DataTables and DataSets ... and Data Types 331 Understanding Elementary Data Types 332 Integral Data Types 332 Nonintegral Data...

Ngày tải lên: 14/03/2014, 23:20

... in modification of data s Data plays a crucial role in traditional programming techniques s Adding new data items means modifying all the tasks or functions that access the data • As program size ... private: data_ type members; implementation operations; public: data_ type members; implementation operations; }; Object Oriented Classes and Structures s A structure contains one or more data items ... prevent data from unrestricted access, the data members of a class are normally declared in the private section s The public part constitutes the interface to objects of the class s The data members...

Ngày tải lên: 16/03/2014, 01:20

... mem_function1() data data mem_function2() Object data data Object Oriented Static Data Members Useful when all objects of the same class must share a common item of information If a data item in ... specifier Data is therefore placed in memory when each object is defined, so there is a set for each object Object Oriented Objects, data members and member functions in memory Object Object data data ... memory space for an object of a class The general syntax of the new operator is: data_ type pointer_variable = new data_ type; For example, int *p; //pointer to integer type float *f; //pointer to...

Ngày tải lên: 16/03/2014, 01:20

... filtering mysql_connect("dbhost","dbuser","dbpassword"); //database mysql_select_db("dbname"); $sql = "some query" ; $result = mysql _query( $sql) ; while ( $data = mysql_fetch_assoc()) { process ( $data) ; ... inputs $db = new dal("mysql"); / /data access layer $db->connect($dbconfig);//we wre using mysql $result = $db->execute( $sql) ; ReportGenerator::makereport($result); //process data $model = new Postmodel($filter->get_filtered_content()); ... SPLFileObject SPLFileInfo SPLObjectStorage Summary Introduction to MySQLi Connecting to MySQL in an OO Way Selecting Data in an OO Way Updating Data in an OO Way [ iii ] 137 138 143 145 149 150 150 152...

Ngày tải lên: 22/03/2014, 23:20