oracle database 11g introduction to sql ppt

... and Remote Databases Database links allow an Oracle database to reference objects stored outside of the local database. The command create database link creates the path to a remote database, ... C++ and Ada. As of Oracle9 i, the SQL processing engine is shared between SQL and PL/ SQL, which means that all new features added to SQL are automatically available to PL /SQL. In the next few ... resides. FIGURE 1-3 Oracle physical storage structures 26 Oracle Database 11g DBA Handbook TIP The DBA often has to decide whether to allocate one datafile that can autoextend indefinitely or to allocate

Ngày tải lên: 19/01/2014, 22:20

... sessions. Chapter 1: Oracle PL /SQL Overview 19 Dynamic SQL Enhancements Dynamic SQL still has two varieties in the Oracle 11g Database. You have Native Dynamic SQL, also known as NDS, and the DBMS _SQL built-in ... LOOP ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ 18 Oracle Database 11g PL /SQL Programming dbms_output.put_line(add_function(8,3)); END LOOP; END; / The database automates inlining choices when you set the PLSQL_OPTIMIZE_LEVEL parameter to ... error management. Wrapping PL /SQL Stored Programs Beginning with Oracle 10g Release 2, the database now supports the ability to wrap, or obfuscate, your PL /SQL stored programs. This is done by

Ngày tải lên: 25/01/2014, 14:20

... from Database Control to Grid Control In Oracle Database 11g, you can simply use the new EMCP API to switch a database from Database Control to Grid Control Installing Oracle Database ... Expert Oracle 9i Database Administration Expert Oracle Database 10g Administration OCP Oracle Database 10g: New Features for Administrators Exam Guide RMAN Recipes for Oracle Database 11g: A ... upgrading to Oracle Database 11g from release 9.2 or release 10.1, the connect... Choosing the Oracle Base Location The Oracle base directory is the top-level directory for installing Oracle

Ngày tải lên: 22/12/2013, 23:16

... how to install the Oracle Database 11g software, create Oracle databases, and upgrade databases. Chapter 9, which covers Oracle software installation, shows how to install the Oracle Database 11g ... UNIX, SQL, PL /SQL, and data modeling that a DBA ought to know to perform his or her job well. As a DBA, you need to be able to use a number of UNIX tools and utilities to administer an Oracle database. ... ■ INTRODUCTION How to Become an Oracle DBA As you start out on your journey to become a proficient Oracle DBA, you have many sources of infor- mation on the Oracle database: ? ?Oracle Database 11g

Ngày tải lên: 22/12/2013, 23:16

... less error-prone. Oracle Database 11g makes it easy for you to configure your database to be highly available and reliable. In other words, you want to configure your database to minimize the amount ... oradata/11GR11/system01.dbf’, ‘/u01/app /oracle/ oradata/11GR11/sysaux01.dbf’, ‘/u01/app /oracle/ oradata/11GR11/undotbs01.dbf’, ‘/u01/app /oracle/ oradata/11GR11/users01.dbf’, ‘/u01/app /oracle/ ... Understand the Automatic Workload Repository. Describe the components of the AWR and how they are used to collect and store database performance statistics. Describe the role of Automatic Database Diagnostic

Ngày tải lên: 24/12/2013, 13:16

... keyboard. FIGURE 1-1 Oracle Database 11g SQL* Plus Running on Windows XP FIGURE 1-2 Oracle Database 10g SQL* Plus Running on Windows XP 6 Oracle Database 11g SQL Starting SQL* Plus from the Command ... directory\store_schema .sql where directory is the directory where your store_schema .sql script is located. For example, if the script is stored in E: \sql_ book \SQL, then you enter @ E: \sql_ book \SQL\ store_schema .sql If ... run the store_ schema .sql script. Running the SQL* Plus Script to Create the Store Schema You perform the following steps to create the store schema: 1. Start SQL* Plus. 2. Log into the database

Ngày tải lên: 25/01/2014, 14:20

... techniques to make your SQL statements really fly xxv xxvi Oracle Database 11g SQL ■ Write Java programs to access an Oracle database using JDBC ■ Explore the XML capabilities of the Oracle ... of the Oracle database ■ Explore PL /SQL (Procedural Language /SQL) , which is built on top of SQL and enables you to write programs that contain SQL statements ■ Use SQL* Plus to execute ... execute SQL statements, scripts, and reports; SQL* Plus is a tool that allows you to interact with the database ■ Execute... for Oracle Database 11g A flashback data archive stores changes

Ngày tải lên: 25/01/2014, 14:20

... with the Oracle 6 Database PL /SQL 2.x shipped with the Oracle 7.x Databases Beginning with Oracle 8, PL /SQL versions correspond to the database release numbers, like PL /SQL 11.1 ... the Oracle 11g Release 1 Database. .. an ERD of the model PART I PL /SQL Fundamentals This page intentionally left blank CHAPTER 1 Oracle PL /SQL Overview 3 4 Oracle Database 11g ... Oracle Database SQL Primer begins by covering Oracle s implementation of SQL, starting with Oracle SQL* Plus datatypes, and then covers the SQL language commands needed to build database

Ngày tải lên: 25/01/2014, 14:20

... Using Oracle Clusterware to Protect A Single Instance Oracle Database 11g Next we need to test the database scripts As oracle on node1 [oracle@ node1 [oracle@ node1 [oracle@ node1 [oracle@ node1 [oracle@ node1 ... Using Oracle Clusterware to Protect A Single Instance Oracle Database 11g An Oracle Technical White Paper February 2008 Using Oracle Clusterware to Protect A Single Instance Oracle Database 11g Introduction ... options Page 14 Using Oracle Clusterware to Protect A Single Instance Oracle Database 11g As oracle on node2 [oracle@ node2 [oracle@ node2 [oracle@ node2 [oracle@ node2 [oracle@ node1 [oracle@ node2 bin]$

Ngày tải lên: 30/03/2014, 13:20

... status='INVALID'; 188 Oracle Database Administration for Microsoft SQL Server DBAs Grants SQL Server has roles available to grant read-only or write permissions against a database for the users of that database. ... has improved with newer versions of SQL Server. Oracle can use clustered indexes, but it seems to be more common to use nonclustered indexes. Oracle has an Automatic Segment Space Management (ASSM) ... be easier to fully qualify the table. 190 Oracle Database Administration for Microsoft SQL Server DBAs As you’ve seen so far, object maintenance in Oracle has several pieces. After database changes

Ngày tải lên: 04/07/2014, 05:20

... > export ORACLE_ SID=dbstby01 SQLPLUS> startup nomount pfile= $ORACLE_ HOME/dbs/initdbstby01.ora ORACLE instance started. SQLPLUS> exit ## To primary database run RMAN to copy database RMAN> ... primary database SQLPLUS> alter database add standby logfile '/u01 /oracle/ db01/stby01.log' size 50M; Database altered. SQLPLUS> alter database add standby logfile '/u01 /oracle/ db01/stby02.log' ... Setting Up a Standby Database An existing database can be configured to have a standby database. The first step is to install the Oracle software on the standby server. The database already exists

Ngày tải lên: 04/07/2014, 05:21

... 310 database administrator (dba) group, Oracle installation on Linux, 50 database administrators roles of. See DBAs (database administrators), role of tools. See DBA (database administrator) tools ... Automatic Shared Memory Management. See ASMM (Automatic Shared Memory Management) Automatic Storage Management. See ASM (Automatic Storage Management) Automatic Storage Management administrator ... Again, you don’t need to know everything about everything, but you do need to know what issues are important to the databases. Also, you need to talk to other teams to be able to maintain a well-performing

Ngày tải lên: 04/07/2014, 05:21

... worse than stored PL /SQL. Developers should be encouraged to convert all anonymous PL /SQL into stored PL /SQL. The SQL Query and PL /SQL Function Result Cache The result cache is a release 11g new ... vectors applied to the block are written out to the redo log, from which they can be extracted and applied to datafile backups if it is ever necessary to restore a datafile. OCA/OCP Oracle Database ... Architectural Overview of Oracle Database 11g 23 PART I TIP If redo generation is the limiting factor in a database? ??s performance, the only option is to go to RAC. In a RAC database, each instance

Ngày tải lên: 06/07/2014, 13:20

... PUBLISHER 12345 Oracle 11g OCP SQL Fundamentals 1 Exam Guide McGraw-Hill 67890 Oracle 11g New Features Exam Guide McGraw-Hill Chapter 9: Retrieving, Restricting, and Sorting Data Using SQL 373 PART ... created to retrieve information from a database table. A database would serve little purpose if it could not be queried to answer all sorts of interesting questions. For example, you may have a database ... a means to restrict the rows returned. Perhaps you have been asked to identify only the employees who belong to department 30. With selection it is possible to limit the results set to those

Ngày tải lên: 06/07/2014, 13:20

... databases with people used to working with Microsoft products. SQL is a language and SQL Server is a database, but in the Microsoft world, the term SQL is often used to refer to either. Data Normalization The ... Watson 11g SQL Fundamentals Exam Guide, 10g DBA Exam Guide Roopesh Ramklass 11g SQL Fundamentals Exam Guide Damir Bersinic 10g DBA Exam Guide This many -to- many relationship needs to be resolved into ... developed into DB2) was not ported to non-IBM platforms for many years. Microsoft’s SQL Server is another relational database that has been limited by the platforms on which it runs. Oracle databases,...

Ngày tải lên: 19/10/2013, 19:15

... against an Oracle database and invoke SQL commands. Many organizations will not want to use a 3GL to develop database applications. Oracle Corporation provides rapid application development tools ... Administrators connect to Database Control from a browser, and Database Control then connects to the database server. Database Control has facilities for real-time management and monitoring, running ... can connect to any database for which there are Java-compliant drivers; it is not necessary to use an Oracle database. Applications developed with the Oracle Application Server toolkits can...

Ngày tải lên: 19/10/2013, 19:15

... 12/04/00). To avoid problems with implicit conversions, Oracle provides explicit date/character-conversion functions: TO_ DATE , TO_ CHAR , TO_ TIMESTAMP , TO_ TIMESTAMP_TZ , TO_ DSINTERVAL , and TO_ YMINTERVAL . ... & in the SQL. You run the SQL multiple times to input different values. Negative numbers cannot be converted to Julian dates. SQL& gt; SET VERIFY OFF SQL& gt; SELECT TO_ CHAR (TO_ DATE(&NUM, ... on www.verypdf.com to remove this watermark. 120 Chapter 2 N Using Single-Row Functions SQL& gt; / Enter value for num: -456 SELECT TO_ CHAR (TO_ DATE(-456, ‘J’), ‘jsp’) num _to_ spell * ERROR...

Ngày tải lên: 14/12/2013, 15:15

... AM Please purchase PDF Split-Merge on www.verypdf.com to remove this watermark. Chapter 3 Using Group Functions ORACLE DATABASE 11g: SQL FUNDAMENTALS I EXAM OBJECTIVES COVERED IN THIS CHAPTER: Reporting ... clauses to calculate multiple levels of subtotals. It also provides a grand total. The ROLLUP extension adds only minimal overhead to the overall query performance. ROLLUP creates subtotals ... detailed level to a grand total based on the grouping list provided with the ROLLUP modifier. It creates subtotals moving left to right using the columns provided in ROLLUP . The grand total is...

Ngày tải lên: 14/12/2013, 15:15

... 257 The keyword ALL tells Oracle to evaluate each and every WHEN clause, whether or not any evaluate to TRUE . In contrast, the FIRST keyword tells Oracle to stop evaluating WHEN clauses ... positions in SQL code. The ROLLBACK TO SAVEPOINT statement is used to undo changes chronologically back to the last savepoint or to the named savepoint. Savepoints are not labels for goto statements, ... data is restored. All locks on the affected rows are released. Oracle uses read consistency to make sure you do not see the changes made to data after your query is started. Also, Oracle uses...

Ngày tải lên: 14/12/2013, 15:15

... INDEX_NAME INVENTORY_PK INVENTORY_IX SQL& gt; Let’s run a few SQL statements against the OE.INVENTORIES table and learn when indexes are used: SQL& gt; SET AUTOTRACE TRACEONLY SQL& gt; SELECT ... Oracle used the INVENTORY_IX index to get the result. You can see here that Oracle did not read the table to get the result; only the index is read. Let’s look at another SQL statement: SQL& gt; ... BY index_name, column_position SQL& gt; / INDEX_NAME COLUMN_NAME COLUMN_POSITION INVENTORY_IX WAREHOUSE_ID 1 INVENTORY_IX PRODUCT_ID 2 INV_PRODUCT_IX PRODUCT_ID 1 SQL& gt; 95127c07.indd 374 2/17/09...

Ngày tải lên: 14/12/2013, 15:15