Tài liệu creating tables docx

... command. All constraints can be viewed in the data dictionary. Creating Tables 9Ć9 Creating Tables continued Referencing Another User's Tables A schema is a collection of objects. Schema objects ... Builder9Ć38 Introduction to Oracle: SQL and PL/SQL Using Procedure Builder9Ć8 Creating Tables 9Ć25 Creating a Table from a Table Instance Chart Create your tables, based on t...

Ngày tải lên: 10/12/2013, 17:15

... independently of tables. Therefore, the same sequence can be used for multiple tables. Introduction to Oracle: SQL and PL/SQL Using Procedure Builder13Ć16 Creating Sequences 13Ć11 Creating a Sequence continued Confirming ... sequence. Creating Sequences 13Ć23 Practice Overview In this practice, you will create a sequence to be used when populating your DEPARTMENT and WORKER tables....

Ngày tải lên: 10/12/2013, 16:16

... NONUNIQUE S_EMP_USERID_UK USERID 1 UNIQUE Creating Indexes 15Ć23 Practice Overview In this practice you will create an index on the WORKER table. Practice Contents D Creating non-unique indexes D Displaying ... stored in uppercase in the data dictionary. Creating Indexes 15Ć3 Objectives If you want to improve the performance of some queries, you should consider creating an index. You...

Ngày tải lên: 21/12/2013, 06:17

... Builder9Ć38 Introduction to Oracle: SQL and PL/SQL Using Procedure Builder9Ć14 Creating Tables 9Ć7 Creating Tables Create tables to store data by executing the SQL CREATE TABLE command. This command ... constraints. D Create a table by populating it with rows from another table. Creating Tables 9Ć9 Creating Tables continued Referencing Another User's Tables A schema i...

Ngày tải lên: 21/12/2013, 06:17

... var syntax when you're creating an array on an object unless you're building your own custom class of objects. This concept is discussed in Lesson 7 , " ;Creating Custom Classes."

Ngày tải lên: 21/01/2014, 13:20

... double-clicking the function command. Syntax 2 This code represents the second syntax for creating functions: myFunction = function (parameter1:DataType,parameter2:DataType,etc.) ... or to define your own custom method of an object (which we'll discuss in Lesson 7 , " ;Creating Custom Classes"). The only difference between this syntax and Syntax 1 is in the .....

Ngày tải lên: 26/01/2014, 11:20

... 1 - 2 IT Essentials II v2.0 - Lab 8.4.1 Copyright  2002, Cisco Systems, Inc. Lab 8.4.1: Creating Files and Directories Using Windows 2000 Estimated Time: 15 Minutes Objective In ... second step of the lab, the student will create a file and save it inside the directory. Step 1: Creating a Directory 1. Log in using the Administrator account. 2. Right-click on the My Computer...

Ngày tải lên: 11/12/2013, 15:15

... example, that information is erased when the style attribute is manipulated in this way. 5.3.4. Creating Elements Dynamically Using the createElement method in XUL lets you accomplish things

Ngày tải lên: 14/12/2013, 12:15

... manipulate local files. Using these interfaces can make life a lot easier by letting you focus on creating your Mozilla application without having to implement XPCOM nsIFile objects manually from ... interfaces, the XPCOM technology, and how you can create your own XPCOM components. 5.4.1.1. Creating XPCOM objects in script Example 5-10 demonstrates the creation and use of an XPCOM...

Ngày tải lên: 14/12/2013, 12:15

... the main one. See the section Section 6.2.4 for more information about this process. 6.2.3. Creating a Package The xFly sample package is a relatively straightforward arrangement of content, ... chrome/xfly/content. The next line points to the skin resources at chrome/xfly/skin, and so on. Note that creating a single entry for the xFly skin and locating its resources underneath the...

Ngày tải lên: 14/12/2013, 12:15