SQL PROGRAMMING STYLE- P44 docx

... programmers. My goals in this book are to improve SQL programming style and proficiency. To be more exact: 1. To help an individual programmer write Standard SQL without an accent or a dialect . ... other SQLs, cannot be easily understood by an end user, and cannot be expanded. In the second case, what some newbies, who are still thinking in terms of second- and third-generati...

Ngày tải lên: 10/04/2014, 09:40

... [NOCOPY] sql_ data_type | plsql_data_type , parameter2 [IN][OUT] [NOCOPY] sql_ data_type | plsql_data_type , parameter(n+1) [IN][OUT] [NOCOPY] sql_ data_type | plsql_data_type )] RETURN [ sql_ data_type ... operating system–independent programming environment. SQL statements are natively integrated in the PL /SQL language. You can also call PL /SQL directly from the command-line...

Ngày tải lên: 25/01/2014, 14:20

Ngày tải lên: 03/07/2014, 22:20

Ngày tải lên: 04/07/2014, 23:20

... to explode. NOTE For additional examples of SQL injection and SQL coding tips to help prevent SQL injec- tion attacks, see Chapter 43, “Transact -SQL Programming Guidelines, Tips, and Tricks.” Summary As ... box when performing a backup using SQL Server Management Studio (SSMS). In SQL Server 2005, the Copy Only Backup had to be performed via the Transact- SQL (T -SQL) BACKUP...

Ngày tải lên: 05/07/2014, 02:20

... Microsoft SQL Server 2005 Developer’s Guide A DOMD.NET is a .NET data provider that enables the development of database applications that communicate with multidimensional data sources, such as SQL ... from a console application that has a reference added for the Microsoft.SqlServer.Dts.Runtime assembly: Imports Microsoft.SqlServer.Dts.Runtime Module Module1 Sub Main() Dim sPath As St...

Ngày tải lên: 05/07/2014, 05:20

... turmoil, the ANSI/ISO Standard SQL- 92 is still the common subset that will port across various SQL products to do useful work. In fact, the U.S. Government described the SQL- 99 standard as “a standard ... and required SQL- 92 conformance for federal contracts. The reason for the loyalty to SQL- 92 is simple. The FIPS-127 conformance test suite was in place during the development...

Ngày tải lên: 06/07/2014, 09:20

... ROLLBACK; ELSE COMMIT; END IF; But being a fanatic, I want a pure SQL solution that is declarative within the limits of most current SQL products. Let’s create two tables. This first table is a ... new_ssn CHAR(9), IN new_start_date DATE, IN new_end_date DATE, IN new_job_type INTEGER) LANGUAGE SQL IF new_job_typ <> 99 THEN INSERT INTO Job_not99_Assignments VALUES (store_nbr,...

Ngày tải lên: 06/07/2014, 09:20

... Martinis of Croatia in our Letters column (Miljenko 1992). He then translated it from QUEL into SQL with two views, thus: CREATE VIEW Classrooms all possible legal pairs AS SELECT * FROM Classes, ... derived table expression when it is invoked in a query. 18.1 VIEWs in Queries The Standard SQL syntax for the VIEW definition is CREATE VIEW <table name> [(<view col...

Ngày tải lên: 06/07/2014, 09:20

... CHAPTER 19: PARTITIONING DATA IN QUERIES programming languages. You must know the cost in execution time for your product before doing this. One version of SQL uses a threaded- code approach to ... results on each row—the execution time is horrible. Some versions of SQL can compile and link another language’s library into the SQL. Although this is a generalization, the safest tec...

Ngày tải lên: 06/07/2014, 09:20