oracle sql tuning pdf free download

... running Oracle 7.3.3, the full path and filename for the script is: $ORACLE_HOME/sqlplus/admin/pupbld sql In some instances, the SQL*Plus directory will be named plusXX instead of sqlplus The ... is still around, at least in the initial release of Oracle8i, but Oracle's strategy is to make SQL*Plus the sole command-line interface to Oracle Look for Server Manager to be desupported in ... instead of sqlplus The XX in the name represents the Oracle version number, so with Oracle 7.1, the directory would be named plus71. PUPBLD.SQL should be executed while logged in as user SYSTEM

Ngày tải lên: 05/07/2014, 04:20

... in the SQL buffer: SQL> SHOW BUFFER buffer SQL SQL> SELECT * FROM employee 2 SQL> L 1* SELECT * FROM employee SQL> SELECT BUFFER project SQL> L No lines in PROJECT buffer SQL> ... c:\a\project.sql 1* SELECT * FROM project SQL> I 2 WHERE project_budget > 1000000 3 SQL> SAVE c:\a\project.sql REPLACE Wrote file c:\a\project.sql SQL> SET BUFFER SQL SQL> L ... line: SQL> SET CMDSEP ON SQL> SET CMDSEP ! SQL> SHOW CMDSEP! SHOW BUFFER! cmdsep ! (hex 21) buffer SQL SQL> SQLBLANKLINES The SQLBLANKLINES setting is a new feature in version 8.1 of SQL*Plus,

Ngày tải lên: 05/07/2014, 04:20

... Trang 1A SQL*Plus Command Reference SQLPLUS The SQLPLUS command is used from the operating system prompt to start SQL*Plus, and is discussed in Chapter 2, Interacting with SQL*Plus. SQLPLUS [[-SILENT] ... comment in a SQL*Plus script, and is described in Chapter 4 The double hyphen works the same way as REMARK, except that it may also be used in SQL statements and PL/SQL blocks When used in a SQL statement ... Tells SQL*Plus not to connect you to any database at all You will get a SQL> prompt, but you must issue a CONNECT command before you can do much else scriptfile Is the name of a SQL*Plus

Ngày tải lên: 05/07/2014, 04:20

... can use to return the results of a SQL query from PL/SQL to SQL*Plus Whenever The WHENEVER command controls the behavior of SQL*Plus when an operatingsystem or SQL error occurs, and is discussed ... tell SQL*Plus what to do in the event of an operating-system error WHENEVER SQLERROR Use this form of the command to tell SQL*Plus what to do in the event that an error is returned from a SQL ... Tells SQL*Plus to use the specified parameter file (initialization file) when starting the instance You may specify a path with the filename Trang 2 SQL*Plus reads the parameter file, not the Oracle

Ngày tải lên: 05/07/2014, 04:20

... structure for, 248-250 PL/SQL for, 252-254 scripting languages for, 254 simulating with REFCURSOR datatype, 245-248 simulating with WHERE clause, 244-245 SQL writing SQL, 250-252 CONNECT BY operation ... parameter (WHENEVER), 469 control file, SQL*Loader, 168-171 comma-delimited data, 169 fixed-width data, 170 control files, listing, 343 CONTROL= option (SQLLDR80 command), 172 Trang 3CONTROL_FILES ... 360-363 SQL*Plus-related (list), 363-367 startup scripts, 358-360 D data extracting, 155, 158-167 Trang 4formatting the data, 159-163formulating queries, 158 spooling extract to files, 163-165 SQL*Plus

Ngày tải lên: 05/07/2014, 04:20

... 277 optimizer goal hints, 302 OPTIONALLY ENCLOSED BY clause (SQL*Loader), 170 Oracle BIN directory, 63 Oracle databases (see databases) Oracle version, specifying, 407 ORDER BY clause BREAK command ... command, 413 SET SERVEROUTPUT command, 390 SET SHOWMODE command, 392 SET SQLBLANKLINES command, 398 SET SQLNUMBER command, 401 SET SQLTERMINATOR command, 402 SET TAB command, 381 SET TERMOUT command, ... command, 413 SET SERVEROUTPUT command, 390 SET SHOWMODE command, 392 SET SQLBLANKLINES command, 398 SET SQLNUMBER command, 401 SET SQLTERMINATOR command, 402 SET TAB command, 381 SET TERMOUT command,

Ngày tải lên: 05/07/2014, 04:20

... a home for your Oracle SQL statements These benefits include: Simplicity-Embedding SQL statements in native Java code is much easier than building additional pieces, like PL/SQL packages Debugging-Although ... you can't run a SQL statement any faster than running it inside the Oracle kernel But at what point is performance really an issue? Is a package faster when submitting a single SQL statement? ... surprising-the execution is actually faster in Java than in PL/SQL Oracle must be eliminating some overhead in the JDBC driver that isn't eliminated in PL/SQL Remote Results The following table shows the

Ngày tải lên: 08/08/2014, 20:21

... WellerBart Weller Pro SQL Server2008 Relational Database Design and Implementation Beginning SQL Server Modeling Beginning Database Design SQL Server 2008 Query Performance Tuning Expert SQL Server 2008 ... 1-2 Setting the SQL native client protocols Trang 20Downloading and Installing Once the software pre-requisites previously listed are in place, you’re ready to download the SQL Server Modeling ... Trang 1Beginning SQL Server ModelingBOOKS FOR PROFESSIONALS BY PROFESSIONALS® Beginning SQL Server Modeling: Model-Driven Application Development in SQL Server 2008 Dear Reader,

Ngày tải lên: 19/01/2018, 08:55

... https://www.sqlshack.com/link-sql-server-oracle-database/ https://vdosoft.vn/tin-tuc/su-khac-nhau-giua-microsoft-sql-server-va-oracle.html https://indaacademy.vn/sql/su-khac-biet-giua-oracle-va-sql-server/ ... Liên thông giữa Oracle và SQL Server cho phép truy cập bảng dữ liệu, chức năng, thủ tục lưu trữ và cấu trúc dữ liệu từ cả hai hệ thống Việc triển khai liên thông giữa Oracle và SQL Server giúp ... bảng trong SQL Server Sử dụng công nghệ Oracle Heterogeneous Services: Heterogenous Services là một tính năng của Oracle cho phép kết nối với các cơ sở dữ liệu khác nhau, bao gồm cả SQL Server

Ngày tải lên: 25/11/2024, 17:11

... records of only the employees that are working for departments 10 or 20. Oracle SQL Exam No.1 - 2005 Page 1 of 14 Trang 2Which SQL statement would you use to create the view EMP_VU?A CREATE VIEW ... ORD_ID ORD_DATE CUST_ID ORD_TOTAÖ CUSTOMERS CUST_ID CUST_NAME CITY Oracle SQL Exam No.1 - 2005 Page 2 of 14 Trang 3Evaluate the SQL statement:SELECT * FROM orders WHERE cust_id = (SELECT cust_id ... Trang 1Oracle SQL Exam No 1Question 1: Examine the description of the EMPLOYEES table: LAST_NAME VARCHAR2(30)

Ngày tải lên: 02/11/2012, 13:21

... in a SQL or PL/SQL statement Using an OraParameter object allows for better Oracle integration with SQL and PL/SQL, and for better code reuse Without the OraParameter object, all SQL and PL/SQL ... directly with Oracle, and could access Oracle-specific features Oracle-Specific Features The JET SQL engine understands its own SQL variant and is not necessarily compatible with the Oracle SQL engine ... with its own syntax? Oracle Objects for OLE does not perform local query joins and can access practically all SQL and PL/SQL (Oracle Procedural Language SQL) features Because Oracle7 can potentially

Ngày tải lên: 15/12/2013, 05:15

... Integer Global Const SQL_NTS = 3 Global Const SQL_DRIVER_NOPROMPT = 0 Global Const SQL_COMMIT = 0 Global Const SQL_ROLLBACK = 1 Global Const SQL_MAX_MESSAGE_LENGTH = 512 Global Const SQL_AUTOCOMMIT ... Integer Declare Function SQLExecDirect Lib "odbc.dll" ( ByVal hStmt As Long, ByVal SQLString As String, ByVal SQLStringLen As Long) As Integer Declare Function SQLFreeConnect Lib "odbc.dll" ... so any SQL that can be evaluated by Oracle can be supplied, including the ODBC syntax for calling Oracle procedures Listing C.3 demonstrates the use of the ExecuteSQL method to call an Oracle

Ngày tải lên: 15/12/2013, 05:15

... important for an Oracle SQL tuning book but not an Oracle SQL book.2 Trang 25xxiv PrefaceChapter 2 New Features of Oracle SQL This chapter covers new Oracle SQL and PL/SQL features for both OracleDatabase ... Exam-ples applicable to Oracle Database 9i are tested in an Oracle9i database aswell as an Oracle10g database Because of the nature of Oracle SQL resid-ing and executing from within an Oracle database, ... respect to Oracle SQL This book is also written to include Oracle SQL contained in both cle Database 10g and Oracle Database 9i Whenever you see that Trang 23Ora-xxii Prefaceindicates an Oracle Database

Ngày tải lên: 24/12/2013, 12:17

... Features of Oracle SQL In this chapter:
What are the new features of Oracle SQL in Oracle Database 10g?
What were the new features of Oracle SQL in Oracle Database 9i?
What PL/SQL improvements ... getstarted with Oracle Database 10g Oracle Database 10g contains the following SQL and PL/SQL features 2.1.1 Oracle SQL Improvements in Oracle Database 10g
Oracle documentation states that case ... What’s new in Oracle SQL utilities? This chapter takes a bird’s-eye view of Oracle SQL changes in both cle Database 10g and Oracle Database 9i Without further ado, let’s getstarted with Oracle Database

Ngày tải lên: 24/12/2013, 12:17

... logical and physical ture of Oracle Database plus new features available in both Oracle Database struc-10g and Oracle Database 9i Now it’s time to begin looking into Oracle SQL itself The next chapter ... Clustering was previously called Oracle Parallel Server and is now calledOracle Real Application Clusters (RAC) Oracle RAC allows for sharing of Figure 3.12 Oracle Standby/ Fail-over Database ... where name like ('%c%');
Oracle Database 10g ignores line breaks and spacing in SQL mands For example, the following two SELECT statements are iden-tical when submitted in SQL*Plus, even though

Ngày tải lên: 24/12/2013, 12:17

... session and can only be used with SQL*Plustools (i.e., SQL*Plus, SQL*Plus Worksheet, and iSQL*Plus) Look at the entire list by running the following statement in SQL*PlusWorksheet: Chap8.fm Page ... default of 2,000 characters
SQLP[ROMPT] This option changes the SQL prompt Use thecommand SET SQLPROMPT ' ' to remove the prompt altogether Use SET SQLPPROMPT 'SQL> ' to return to the default ... environmental settings, ables, and special SQL*Plus commands to generate acceptable output andreports Examples in this book use both SQL*Plus Worksheet andSQL*Plus SQL*Plus Worksheet is more of an end-user

Ngày tải lên: 24/12/2013, 12:17

... Web browser and the server 8.4.2 iSQL*Plus versus SQL*Plus The main features of iSQL*Plus are similar to the features of SQL*Plus orSQL*Plus Worksheet:
Enter SQL commands in a box and click the ... as appropriate.
The file called ORACLE_APACHE.CONF in the $ORACLE_HOME/Apache/Apache/conf directory must includethe file ISQLPLUS.CONF in the ORACLE_HOME/sqlplus/admindirectory The include ... previous SQL commands by clicking the Historybutton, much like SQL*Plus Worksheet Trang 3172 8.4 Using iSQL*Plus
The port number should also be in the SETUPINFO.TXT file in thedirectory $ORACLE_HOME/Apache/Apache

Ngày tải lên: 24/12/2013, 12:17

... aggregatefunctions with the GROUP BY clause 1 Oracle Performance Tuning for 9i and 10g (ISBN: 1-55558-305-9) Please purchase PDF Split-Merge on www.verypdf.com to remove this watermark. Trang 15This ... a little bit more of statistics than Oracle SQLfor this book Chap11.fm Page 239 Thursday, July 29, 2004 10:09 PM Please purchase PDF Split-Merge on www.verypdf.com to remove this watermark. Trang ... 2004 10:09 PM Please purchase PDF Split-Merge on www.verypdf.com to remove this watermark. Trang 17236 11.1 GROUP BY Clause Syntaxclause Rows can be grouped using Oracle built-in functions or

Ngày tải lên: 24/12/2013, 12:17

... ISOLATIONLEVEL READ COMMITTED, where SQL will wait until any locks ondata it wants to modify are released Using the SET TRANSACTION ISO-LATION LEVEL SERIALIZABLE command, SQL commands handlelocking differently ... Data (INSERT)When you omit columns, Oracle Database 10g sets missing columns to null values except when a default value is defined for a column In thatcase, Oracle fills the column with the default ... final section in this chapter discusses the MERGE command, a new feature of Oracle Database 9i and much improved in Oracle Database 10g. Figure 15.15 Three Rows Were Deleted by Two DELETE Commands.

Ngày tải lên: 24/12/2013, 12:17

... to SQLTXPLAIN Welcome to the world of fast Oracle SQL tuning with SQLTXPLAIN, or SQLT as it is typically called. Never heard of SQLT? You’re not alone. I’d never heard of it before I joined ORACLE, ... following SQL (this is going to be the statement we will tune): SQL > select count(*) from dba_objects; 3. Then get the SQL_ ID value from the following SQL SQL > select sql_ id from v$sqlarea ... genius of SQLT, now spends much of his time improving SQLT code and adapting the SQLT code to new versions of the RDBMS. He also assists Oracle Tuning Performance engineers with SQL tuning through...

Ngày tải lên: 17/03/2014, 19:20