create a database in oracle xe
Displaying an Image from a Database in a Web Forms Control
... display an image from a database column in an ASP.NET control. Solution Fill an ASP.NET Image control from a database field by pointing the ImageUrl property of an Image control to a web page ... statement to retrieve the required image from the database and retrieve the image using a DataReader. A DataTable or DataSet filled using a DataAdapter can also be used. 3. Set the ContentType property ... following steps outline the required tasks: 1. Create a web page that outputs a binary stream containing the image from the database. 2. Create a SQL statement to retrieve the required image...
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Displaying an Image from a Database in a Windows Forms Control
... within the data source, such as a row in a DataTable. The BindingContext class is used to instantiate a BindingManagerBase object and either a CurrencyManager or PropertyManager object is ... ds; private SqlDataAdapter da; private BindingManagerBase bm; // . . . private void DisplayDatabaseImageForm_Load(object sender, System.EventArgs e) { // Create the DataSet. ds ... returned depending on the type of data source: • The CurrencyManager class inherits from the BindingManagerBase class and maintains a pointer for the current item in a data source that implements...
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Tài liệu Create a Database User Account pdf
... provide access to databases. A database user account provides access to one and only one database that SQL Server manages. Each user, therefore, will need an account with each 11.8 Create a Database ... Server. Each SQL Server database maintains an internal registry of user accounts that are permitted into the database. This information is stored in the table named sysusers within the database. ... the database user account. I have been authenticated and logged into SQL Server and now I need to access data that is stored within a SQL Server database. Without a specific database user account,...
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OCA /OCP Oracle Database 11g A ll-in-One Exam Guide- P1 pdf
... PL/SQLWHAT ORACLE PRODUCTS ARE IN USE AT YOUR SITE? (check all that apply) ORACLE DATABASE o 01 Oracle Database 11go 02 Oracle Database 10go 03 Oracle9 i Database o 04 Oracle Embedded Database ... subscribe at our Web site at oracle. com/oraclemagazine10®OCA /OCP Oracle Database 11g A ll -in- One Exam Guide(Exam 1Z0-051, 1Z0-052, and 1Z0-053)McGraw-Hill is an independent entity from Oracle ... (Oracle Lite, Times Ten, Berkeley DB) o 05 Other Oracle Database Release ORACLE FUSION MIDDLEWAREo 06 Oracle Application Server o 07 Oracle Portalo 08 Oracle Enterprise Managero 09 Oracle...
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OCA /OCP Oracle Database 11g A ll-in-One Exam Guide- P2 ppt
... for Administering an Oracle Database . . . . . 91Plan an Oracle Database Installation . . . . . . . . . . . . . . . . . . . . . 92Install the Oracle Software by Using the Oracle Universal Installer ... Architectural Overview of Oracle Database 11g . . . . . . . . . . . . . . 3 Chapter 2 Installing and Creating a Database . . . . . . . . . . . . . . . . . . . . . . . . . . 55 Chapter 3 Instance Management ... Configuration Assistant . . . 77The Instance, the Database, and the Data Dictionary . . . . . . . . . 78Using the DBCA to Create a Database . . . . . . . . . . . . . . . . . . . . . 79The Scripts and...
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OCA /OCP Oracle Database 11g A ll-in-One Exam Guide- P6 potx
... Control Oracle Enterprise Manager Database Control is a graphical tool for managing one database, which may be a Real Application Clusters (RAC) clustered database. RAC databases are covered in ... applications tier that generates the user interface and a client tier that displays it.OCA/OCP Oracle Database 11g All -in- One Exam Guide10 A thin Java client is not aware of the database against which ... is running: it works with a virtual database defined according to the Java standard, and it lets the container within which it is running map this virtual database onto the Oracle database. This...
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OCA /OCP Oracle Database 11g A ll-in-One Exam Guide- P7 ppt
... v$instance; This will return NO if it is a single-instance database. 3. Determine if the database is protected against data loss by a standby database: select protection_level from v $database; ... as a transaction processing database and a data warehouse.Keeping the databases synchronized will have to be completely automatic, and all changes made at either site will need to be propagated ... propagated in real or near-real time to the other site. Another reason could be maintenance of a data warehouse. Data sets maintained by an OLTP database will need to be propagated to the warehouse...
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OCA /OCP Oracle Database 11g A ll-in-One Exam Guide- P8 pptx
... self-tuning capabilities of the database. The database instance gathers a vast number of statistics about activity and performance. These statistics are accumulated in the SGA, and their current values ... eight days).Every time MMON gathers a set of statistics (known as a snapshot), it also launches the Automatic Database Diagnostic Monitor, the ADDM. The ADDM is a tool that analyses database activity ... (Enterprise JavaBean) application, an object such as a stateless session bean may be instantiated and used, and then remain in memory in case it is needed again: such an object can be reused immediately....
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OCA /OCP Oracle Database 11g A ll-in-One Exam Guide- P9 pptx
... phase), and OCA/OCP Oracle Database 11g All -in- One Exam Guide42Damage to any controlfile copy will cause the database instance to terminate immediately. There is no way to avoid this: Oracle ... describe any structure that contains data. A typical segment is a table, containing rows of data, but there are more than a dozen possible segment types in an Oracle database. Of particular interest ... OCA/OCP Oracle Database 11g All -in- One Exam Guide44Within a block, there is a header section and a data area, and possibly some free space. The header section contains information such as...
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OCA /OCP Oracle Database 11g A ll-in-One Exam Guide- P10 pps
... for Administering an Oracle Database • 052.2.2 Plan an Oracle Database Installation• 052.2.3 Install the Oracle Software by Using Oracle Universal Installer (OUI)• 052.3.1 Create a Database ... the database creation process, along with a large number of PL/SQL packages that are provided by Oracle to assist database administrators in managing the database and programmers in developing ... (c1 varchar2(10));OCA/OCP Oracle Database 11g All -in- One Exam Guide50• Logical data storage (segments) is abstracted from physical data storage (datafiles) by tablespaces.• A tablespace can...
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OCA /OCP Oracle Database 11g A ll-in-One Exam Guide- P11 pot
... script. Database Creation and Upgrade ToolsThe Database Configuration Assistant (DBCA) is a graphical tool used for creating and modifying a database. Creating a database is not a big deal using ... to install any Oracle software. Second is the Database Configuration Assistant (DBCA), the tool for creating a database. A related tool used during upgrades is the Database Upgrade Assistance ... planning a database installation. Once the plan is made, installing the Oracle software is described and the chapter culminates with you creating your very own database. Identify the Tools for Administering...
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OCA /OCP Oracle Database 11g A ll-in-One Exam Guide- P12 ppsx
... Enterprise Manager relevant to the OCP examination is Database Control. This is a tool for managing one database (which can be a RAC database) , whereas Grid Control can manage many databases (and more). ... location for the database itself is ORACLE_ BASE/q/d, where q is the string oradata and d is the name of the database. A Linux example for a database called orcl is/u01/app /oracle/ oradata/orclWithin ... applications. In general, Oracle Corporation supports all the mainstream platforms, including• Linux on Intel and AMDChapter 2: Installing and Creating a Database 67PART IOther Administration...
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OCA /OCP Oracle Database 11g A ll-in-One Exam Guide- P13 doc
... and the datafiles) that make up the rest of the database. Having mounted the database, the instance can open the database by locating and opening these other files. An open database is a database ... understand:• The instance, the database, and the data dictionary• Using the DBCA to create a database • The instance parameter file• The CREATE DATABASE command• Post-creation scripts• The DBCA’s ... running on, the easiest way to create a database is through the DBCA. You may well have run this as part of the installation: OUI can Chapter 2: Installing and Creating a Database 85PART I############################################...
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OCA /OCP Oracle Database 11g A ll-in-One Exam Guide- P14 potx
... Chapter 2: Installing and Creating a Database 93PART I 2. Which tools can be used to create a database? (Choose three correct answers.) A. Database Configuration Assistant B. Database Upgrade ... Assistant• Data load and unload utilities: Data Pump, SQL*Loader• Management: Oracle Enterprise Manager, Database Control, and Grid ControlChapter 2: Installing and Creating a Database 87PART ... databases that are very similar.Finally, the Configure Automatic Storage Management option launches a wizard that will create an ASM instance. An ASM instance does not open a database; it manages...
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