oracle database 11g introduction to sql student guide

Ngày tải lên: 11/10/2013, 08:15

... Administrators Oracle Database 11  g: Program with PL /SQL Oracle Database 11  g: Develop PL /SQL Program Units Oracle Database 11  g: Implement Streams Oracle Database 11  g: SQL Tuning ... 392 Relational Databases 393 Oracle Database 11g Objects 394 Interacting with Oracle 11g 395 Oracle 11g Architecture 398 User Processes 400 The Oracle Instance 402 Oracle Storage Structures 415 95127ftoc.indd ... Performance Tuning Oracle Database 11  g: Administration Workshop I Oracle Database 11  g: Administration Workshop II Oracle Database 11  g: Introduction to SQL Oracle Database 11  g:...

Ngày tải lên: 15/12/2013, 05:15

... chapter. SQL* Plus is Oracle s native tool to interact with the database. You got a quick introduction to the Oracle datatypes, operators, and literals. You learned to write simple queries using the ... produce interactive SQL statements and formatted reports. SQL* Plus is the command-line interface to the database widely used by DBAs. SQL* Plus has its own buffer where SQL statements are buffered. ... variables, Oracle uses these values to execute the script. Summary This chapter started off with reviewing the fundamentals of SQL. You also saw an overview of SQL* Plus in this chapter. SQL* Plus is Oracle s...

Ngày tải lên: 15/12/2013, 05:15

... Description ROWIDTOCHAR Casts a ROWID to a character SCN _TO_ TIMESTAMP Converts an SCN to corresponding timestamp of the change TIMESTAMP _TO_ SCN Converts timestamp to an SCN TO_ BINARY_DOUBLE Converts input into ... number TO_ BINARY_FLOAT Converts input into a BINARY_FLOAT number TO_ CHAR Converts and formats a date into a string TO_ CLOB Converts character input or NCLOB input to CLOB TO_ DATE Converts a string to ... character set to another DECOMPOSE Decomposes a Unicode string HEXTORAW Casts a hexadecimal to a raw NUMTODSINTERVAL Converts a number value to an interval day to second literal NUMTOYMINTERVAL Converts...

Ngày tải lên: 15/12/2013, 05:15

... available in SQL, the rules for how to use them, and what to expect on the exam about aggregating data and group functions. You will also explore nesting function calls together. SQL allows you to nest ... 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...

Ngày tải lên: 15/12/2013, 05:15

... AM Please purchase PDF Split-Merge on www.verypdf.com to remove this watermark. Chapter 4 Using Joins and Subqueries ORACLE DATABASE 11g: SQL FUNDAMENTALS I EXAM OBJECTIVES COVERED IN THIS ... single-row and multiple-row subqueries  Using the Set operators Describe set operators  Use a set operator to combine multiple queries into a  single query Control the order of rows returned  95127c04.indd ... alias. To execute a join of three or more tables, Oracle takes these steps: 1. Oracle joins two of the tables based on the join conditions, comparing their columns. 2. Oracle joins the result to...

Ngày tải lên: 15/12/2013, 05:15

... rows selected. SQL& gt; The task before you is to merge the rows in ORDERS2 to ORDERS1 . If ORDER_ID and CUSTOMER_ ID match between the two tables, you need to update the ORDER_TOTAL value ... Oracle. The INSERT statement is used to add new rows to the table. The VALUES clause in the INSERT statement is used to add a single row at a time. Subqueries can be used to add rows to ... 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: 15/12/2013, 05:15

... customer are stored in the same physical storage area (block). Database storage and blocks are discussed in Chapter 8, “Introducing Oracle 11g Components and Architecture.” Database links A database ... important to know how to create tables and constraints on tables. Database Objects Overview Data in the Oracle Database is stored in tables. A table is the main database object. Many other database ... you to access an object from a different database. SQL queries can reference tables and views belonging to the remote database by appending @db_link_name to the table or view. For example, to...

Ngày tải lên: 15/12/2013, 05:15

... are widely used in Oracle Databases to ease data access so that the user does not have to know which schema or which database the data is coming from. Indexes are used to get to the table row ... reference it in their SQL (or PL /SQL) as EMP , without needing to specify the owner. When the statement is parsed, Oracle will resolve the name EMP via the synonym to SCOTT.EMP . Creating ... WITH LOCAL TIME ZONE (TSLTZ), INTERVAL YEAR TO MONTH (IY2M), and INTERVAL DAY TO SECOND (ID2S). Which operations are not allowed by Oracle Database 11g? (Choose all that apply.) A. DATE+DATE B....

Ngày tải lên: 15/12/2013, 05:15

... the Oracle 11g database. SQL* Plus SQL* Plus is the primary tool for an Oracle DBA to administer the database using SQL commands. Before you can run SQL statements, you must connect to the Oracle ... is the language used to interact with the Oracle 11g database. Many tools are available for the DBA to administer an Oracle 11g database. The common tools are as follows: SQL* Plus, which is a ... constructs. Java Stored Java procedures can be created in Oracle to define business processes. Database link Database links are used to communicate between databases to share data. You use SQL to create database...

Ngày tải lên: 15/12/2013, 05:15

... to take the OCP certification exam, refer to OCP: Oracle Database 11g Administrator Certified Professional Study Guide (Sybex, 2009). Choose Create a Database, and click Next to open the Database ... www.verypdf.com to remove this watermark. 460 Chapter 9  Creating an Oracle 11g Database ASM Storage Automatic Storage Management (ASM) is a newer type of storage mechanism available since Oracle ... www.verypdf.com to remove this watermark. Chapter 9 Creating an Oracle 11g Database ORACLE DATABASE 11g: ADMINISTRATION I EXAM OBJECTIVES COVERED IN THIS CHAPTER: Creating an Oracle Database  Create...

Ngày tải lên: 24/12/2013, 13:16

... each database- shutdown option is and when you might use the option. Be able to shut down an Oracle Database. Understand how to use the database tools to shut down an Oracle Database. Know how to ... www.verypdf.com to remove this watermark. 512 Chapter 9 N Creating an Oracle 11g Database EXERCISE 9.2 Creating an Oracle 11g database You have learned to use the DBCA to create a database, learned to ... delete a database using the command-line tool SQL* Plus. To do so, first connect to SQL* Plus as an administrator who has the ability to start up the database; that is, an administrator with either...

Ngày tải lên: 24/12/2013, 13:16

... defines the directory where Oracle can create data files. Oracle must have read-write permission on this directory. The directory must exist on the server where the database is located. Oracle will ... READ WRITE; Oracle normally checks the availability of all data files belonging to the database when starting up the database. If you are storing your read-only tablespace on offline storage media ... the database by using the ALTER DATABASE RENAME FILE command. 5. Open the database by using ALTER DATABASE OPEN . Moving Read-Only Tablespaces If you need to move read-only tablespaces to...

Ngày tải lên: 24/12/2013, 13:16

... architecture Application Server Database Server Client Internet HTTP Request App Server Oracle Net RDBMS Oracle Net TCP/IP An Overview of Oracle Net Features Oracle Net is the glue that bonds the Oracle network together. ... CUSTOMER_ADDRESSES PK_CUSTOMER_MASTER CK_ADD_TYPE2 C CUSTOMER_ADDRESSES CK_ADD_TYPE C CUSTOMER_MASTER PK_CUSTOMER_MASTER P CUSTOMER_MASTER UQ_CUST_EMAIL U CUSTOMER_MASTER PK_CUST_REFS P CUSTOMER_REFERENCES SYS_C002804 ... now discuss the options available in Oracle 11g to access data that resides in a non -Oracle database and to execute programs that are not SQL or PL /SQL. Heterogeneous Services The Heterogeneous...

Ngày tải lên: 24/12/2013, 13:16

... connections to the Oracle server. The client must also be able to resolve the net service name. Let’s look at the checks to perform on the client to verify connectivity to the Oracle server and to detect ... users. The first step to doing this is to make sure that each user who connects to the Oracle Database 11g has an account. An account shared between many users is difficult to trouble- shoot and ... addition, be able to define Oracle Advanced Security and know when to use it. Be able to define the main responsibilities of the Oracle listener. To fully understand the function of the Oracle listener,...

Ngày tải lên: 24/12/2013, 13:16

Ngày tải lên: 24/12/2013, 13:16

Ngày tải lên: 24/12/2013, 13:16

Ngày tải lên: 24/12/2013, 13:16

Ngày tải lên: 24/12/2013, 13:16