Tài liệu Altering tables and constraints pptx

... Introduction to Oracle: SQL and PL/SQL Using Procedure Builder12Ć10 Altering Tables and Constraints 12Ć11 Adding and Dropping a Constraint You can add or drop constraints for existing tables by using the ... Oracle: SQL and PL/SQL Using Procedure Builder12Ć24 Altering Tables and Constraints 12Ć25 Practice Overview In this practice, you will create, modify, and drop...

Ngày tải lên: 24/01/2014, 10:20

... Altering Tables and Constraints 12 Introduction to Oracle: SQL and PL/SQL Using Procedure Builder12Ć10 Altering Tables and Constraints 12Ć11 Adding and Dropping a Constraint You ... Oracle: SQL and PL/SQL Using Procedure Builder12Ć24 Altering Tables and Constraints 12Ć25 Practice Overview In this practice, you will create, modify, and drop tables related to t...

Ngày tải lên: 10/12/2013, 16:16

... use defaults and constraints to their full potential and how to create them in Visual Studio .NET. You have started down the path of handling your business rules by creating tables and setting ... of the columns in the tables. You have even set up relationships between tables. Now you want to make life easier for your users and suggest what values they could use, and more...

Ngày tải lên: 14/12/2013, 20:16

... dash. emphasis, brevity and, 33 colon and, 43, 46, 47 comma and, 43, 51 dash and, 43, 57, 58 dash vs. semicolon, 58 italics for, 41, 63 lists, 42 on action, 28, 30 parallelism and, 41 parentheses and, 57 positions ... examples are highly technical and therefore harder to understand, but technical editors and other technical publishing professionals must understand grammar, punctuat...

Ngày tải lên: 10/12/2013, 12:15

... data services by using Transact-SQL, manage and maintain databases, configure and manage security, monitor and optimize databases, and install and configure SQL Server. Introduction 9 ... situations where you can use XML and related technologies to design entire solutions. Module 7: Formatting and Transforming: XSL and XSLT Module 8: Using XQuery to Link and Query...

Ngày tải lên: 10/12/2013, 16:15

... computer as an IP address and a port number. The IPEndPoint has two constructors - one that takes an IP Address and Port number and one that takes a long address and port number. Since we have ... application to read the data at that time. Well, Windows is an event driven system and the notification system seems an obvious and best choice here. So, the two applications that ne...

Ngày tải lên: 11/12/2013, 18:15

... disk space, and copy the wonderworks-v2.0 package to it. Managing NFS and NIS 179 If necessary, export the directory via a new entry in /etc/dfs/dfstab and the shareall command. 3. Change ... developers, and no doubt other non-Microsoft implementors, have often resorted to using packet sniffers between existing Windows and NT clients and servers to deduce the protocol for...

Ngày tải lên: 12/12/2013, 11:16

... statement to populate a DataSet object named myDataSet: SqlCommand mySqlCommand = mySqlConnection.CreateCommand(); mySqlCommand.CommandText = "SELECT CustomerID AS MyCustomer, CompanyName, ... "server=localhost;database=Northwind;uid=sa;pwd=sa" ); SqlCommand mySqlCommand = mySqlConnection.CreateCommand(); mySqlCommand.CommandText = "SELECT CustomerID AS MyCust...

Ngày tải lên: 14/12/2013, 18:15

... common way to solve this problem is to make the fields private and add an accessor method and a modifier method to respectively read and write the value of each private field. The modifier methods ... it does not keep its data private. Public data is a bad idea because its use cannot be checked and controlled. For example, the ScreenPosition constructor range checks its parameters,...

Ngày tải lên: 15/12/2013, 00:15

... physical, electronic, and electromechanical devices that are thought of and recognized as "“computers"” The second part is software – the programs that control and coordinate the activities ... to those parts of the hardware in which calculations and other data manipulations are performed, and to the internal memory in which data and instructions are stored during th...

Ngày tải lên: 21/12/2013, 20:15