Sql statements

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  • Executing Multiple SQL Statements Typically, your C# program and the database will run on different computers and communicate over a network. Each time you execute a command in your program

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  • [ Team LiB ] Recipe 2.21 Using Parameterized SQL Statements Problem You want to create and execute a SQL statement having parameters that are set dynamically. Solution Add parameters to the Command object's Parameters collection.

    pdf3p luvpro 04-08-2010 42 7   Download

  • [ Team LiB ] Recipe 2.4 Processing a Batch SQL Statement Problem You have a batch SQL query that returns multiple result sets and you need to work with the result sets in ADO.NET. Solution Use the NextResult( )

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  • Learn to access Oracle databases through SQL statements and construct PL/SQL programs with guidance from Oracle expert, Jason Price. Published by Oracle Press, Oracle Database 11g SQL explains how to retrieve and modify database information, use SQL Plus and SQL Developer, work with database objects, write PL/SQL programs, and much more. Inside, you'll find in-depth coverage of the very latest SQL features and tools, performance optimization techniques, advanced queries, Java support, and XML. This book contains everything you need to master SQL....

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  • After completing this lesson, you should be able to do the following: Control optimizer options Use optimizer hints Employ plan stability Use stored outlines Use SQL Trace and TKPROF

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  • Introduction to Oracle9i: SQL consists of two modules, SQL1 and Extended Data Retrieval with SQL. SQL1 covers creating database structures and storing, retrieving, and manipulating data in a relational database. Extended Data Retrieval with SQL covers advanced SELECT statements, Oracle SQL, and iSQL*Plus Reporting. For people who have worked with other relational databases and have knowledge of SQL, another course, called Introduction to Oracle9i for Experienced SQL Users is offered. This course covers the SQL statements that are not part of ANSI SQL but are specific to Oracle.

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  • SQL*Plus is an environment in which you can  Execute SQL statements to retrieve, modify, add, and remove data from database tables.  Format, perform calculations on, store, and print query results in the form of reports.  Issue SQL statements to create, alter, and remove database tables.  Create anonymous blocks, subprograms, database triggers using procedural language extension, PL/SQL. SQL*Plus has a variety of commands you need to use to execute subprograms, pass values in and out of PL/SQL blocks, and debug your code.

    pdf50p duypha 12-08-2009 192 45   Download

  • Deliver dynamic, client/server PL/SQL applications with expert guidance from an Oracle programming professional. With full coverage of the latest features and tools, Oracle Database 11g PL/SQL Programming lays out each topic alongside detailed explanations, cut-and-paste syntax examples, and real-world case studies. Access and modify database information, construct powerful PL/SQL statements, execute effective queries, and deploy bulletproof security. You'll also learn how to implement C, C++, and Java procedures, Web-enable your database, cut development time, and optimize performance....

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  • Beginning T-SQL 2012 is the first step toward learning the T-SQL language that underlies Microsoft's SQL Server database engine. T-SQL is essential in writing SQL statements to get data into and out of a database. T-SQL is the foundation for business logic embedded in the database in the form of stored procedures and functions. Beginning T-SQL 2012 starts you on the path to mastering T-SQL, with an emphasis on best practices and sound coding techniques

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  • Store Procedure (SP) : “A precompiled collection of Transact-SQL statements stored under a name and processed as a unit. SQL Server supplies stored procedures for managing SQL Server and displaying information about databases and users”. Lý do sử dụng : Khi duyệt hay xử lý Dữ Liệu trong Cơ Sở Dữ Liệu SQL Server, ngôn ngữ SQL (Structured Query Language) là ngôn ngữ thực thi hiệu quả nhất.

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  • This quick reference contains a high-level description of the Structured Query Language (SQL) used to manage information in an Oracle database. Oracle SQL is a superset of the American National Standards Institute (ANSI) and the International Standards Organization (ISO) SQL:2003 standard.

    pdf170p daokim 03-08-2009 116 32   Download

  • [ Team LiB ] Recipe 8.5 Reading XML Data Directly from SQL Server Problem You need to read XML data directly from the SQL Server. Solution Use the FOR XML clause in the stored procedure or SQL statement. The C# code is shown in Example 8-8. Example 8-8. File

    pdf2p luvpro 04-08-2010 103 15   Download

  • In the 1970s, IBM developed a product called SEQUEL, or Structured English Query Language, which ultimately became SQL, the Structured Query Language. IBM, along with other relational database vendors, wanted a standardized method for accessing and manipulating data in a relational database. Over the decades, many competing languages have allowed programmers and developers to access and manipulate data. However, few have been as easy to learn and as universally accepted as SQL.

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  • Teach Yourself PL/SQL in 21 Days- P1: Welcome to Sams Teach Yourself PL/SQL in 21 Days, Second Edition. The fact that you purchased this book indicates that you have an interest in learning the PL/SQL language, which is Oracle’s relational database procedural programming language.

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  • PL / SQL is an extension to SQL . It is a language that allows you to combine SQL statements with procedural controls such as identifiers, conditional, and iterative constructs in a PL / SQL block.

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  • Ở bài trước mình đã giới thiệu về cách viết SQL statement và thực thi (execute) câu lệnh. Ở bài này mình sẽ tóm tắt về các sử dụng Data Readers. Data Readers được dùng để : • Thu nhận kết quả

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  • Using Transactions with a DataSet (SQL) In Chapter 3, "Introduction to Structured Query Language," you saw how you can group SQL statements together into transactions.

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  • SQL injection is a technique often used to attack data driven applications [1]. This is done by including portions of SQL statements in an entry field in an attempt to get the website to pass a newly formed rogue SQL command to the database (e.g., dump the database contents to the attacker). SQL injection is a code injection technique that exploits a security vulnerability in an application's software. The vulnerability happens

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  • This book is a quick-reference guide for tuning Oracle SQL. This is not a comprehensive Oracle tuning book. The purpose of this book is to give you some light reading material on my "real world" tuning experiences and those of my company, Mark Gurry & Associates. We tune many large Oracle sites. Many of those sites, such as banks, large financial institutions, stock exchanges, and electricity markets, are incredibly sensitive to poor performance. With more and more emphasis being placed on 24/7 operation, the pressure to make SQL perform in production becomes even more critical.

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  • SQL statements are not case sensitive. SQL statements can be on one or more lines. Keywords cannot be abbreviated or split across lines. Clauses are usually placed on separate lines. Indents are used to enhance readability.

    ppt40p trinh02 28-01-2013 23 3   Download

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