administrator apos s quick script reference

Ngày tải lên: 08/11/2012, 10:46

... class now supports the methods openProxySession(), to create a proxy session, and isProxySession(), which returns true if the current session is a proxy session, false otherwise Native XA support ... "Datasources and URLs"—Discusses connecting applications to databases using JDBC datasources, as well as the URLs that describe databases Chapter 4, "Basic Features"—Covers the basic steps in ... parameters, privileges, datatypes, RMAN keywords, SQL keywords, SQL*Plus or utility commands, packages and methods, as well as system-supplied column names, database objects and structures, usernames,...

Ngày tải lên: 21/12/2013, 04:16

... 5-6 MDSYS.CS_SRS Table 6-9 MDSYS.SDO_ANGLE_UNITS Table 6-12 MDSYS.SDO_DATUMS Table 6-13 MDSYS.SDO_ELLIPSOIDS Table 6-15 MDSYS.SDO_PROJECTIONS Table ... Oracle Spatial User s Guide and Reference Data Model Self-crossing polygons are not supported, although self-crossing line strings are supported If a line string crosses itself, it does not become ... still need to specify MDSYS for the Spatial index type (CREATE INDEX INDEXTYPE IS MDSYS.SPATIAL_INDEX) and for Spatial tables (such as the MDSYS.SDO_DIST_UNITS table) xxxvi DBA_SDO_xxx Views...

Ngày tải lên: 21/12/2013, 04:17

... procedure ESET (see index) 42 COMPUTING SYSTEMS WITH COSY 3.3.9 Glass Lenses and Mirrors COSY INFINITY also allows the computation of higher order effects of general glass optical systems At the present ... ; (Suppresses the types of the elements) , • LAX = ; (Suppresses the numbers describing the size of the system) These options can become important when graphic output of huge machines is desired ... following sections, and we think that it is possible to write most COSY inputs without explicitly consulting the language reference 15 Computing Systems with COSY This section describes some core...

Ngày tải lên: 12/01/2014, 22:17

... installation It must be running to enable web-based iSQL*Plus sessions See Starting the iSQL*Plus Application Server on page 4-11 Starting iSQL*Plus To start an iSQL*Plus session Enter the iSQL*Plus ... identifiers, as well as user-supplied database objects and structures, column names, packages and classes, usernames and roles, program units, and parameter values Enter sqlplus to open SQL*Plus UPPERCASE ... SQL*Plus commands and detailed descriptions of each SQL*Plus command in alphabetical order Chapter 14, "SQL*Plus Error Messages" Lists error messages generated by SQL*Plus It provides likely causes...

Ngày tải lên: 17/01/2014, 06:20

... process PL/SQL blocks and subprograms as well as single SQL statements The Oracle server passes the blocks and subprograms to its local PL/SQL engine Anonymous Blocks Anonymous PL/SQL blocks can ... PL/SQL programs Chapter 2, "Fundamentals" This chapter focuses on the small-scale aspects of PL/SQL It discusses lexical units, scalar datatypes, user-defined subtypes, data conversion, expressions, ... the discussion were left out lower case Lower case is used for names of constants, variables, cursors, exceptions, subprograms, and packages UPPER CASE Upper case is used for keywords, names of...

Ngày tải lên: 17/01/2014, 09:20

... "Fundamentals of the PL/SQL Language" Focuses on the small-scale aspects of PL/SQL: lexical units, scalar datatypes, user-defined subtypes, data conversion, expressions, assignments, block structure, ... the system Such elements include parameters, privileges, datatypes, RMAN keywords, SQL keywords, SQL*Plus or utility commands, packages and methods, as well as system-supplied column names, database ... indicates placeholders or variables for which you must supply particular values CONNECT SYSTEM/system_password Uppercase typeface indicates elements supplied by the system We show these terms in...

Ngày tải lên: 24/01/2014, 08:20

... and Reference introduces the SQL*Plus program and its uses It also provides a detailed description of each SQL*Plus command xi Audience This Guide addresses business and technical professionals ... section: s Introduction s Learning SQL*Plus Basics s Manipulating Commands s Formatting Query Results s Database Administration s Accessing SQL Databases Introduction This chapter introduces you to SQL*Plus, ... or slash (/) A semicolon (;) will not execute these SQL commands as it does other SQL commands SQL*Plus sends the complete PL/SQL subprogram to Oracle for processing (as it does SQL commands) See...

Ngày tải lên: 24/01/2014, 10:20

... database"); String user; String password; String database; user = readEntry("user: "); int slash_index = user.indexOf('/'); if (slash_index != -1) { password = user.substring(slash_index + 1); user = user.substring(0, ... and Password The following code sets the URL, user name, and password for a data source: OracleDataSource ods = new OracleDataSource(); ods.setURL(url); ods.setUser(user); ods.setPassword(password); ... runs on the database server and accesses the same session That is, the code runs and accesses data from a single Oracle session Figure 1–1 illustrates the architecture of the Oracle JDBC drivers...

Ngày tải lên: 20/02/2014, 05:21

... control? STRESS AND ENERGY BALANCE It s not stress itself that is the issue Indeed, stress can increase your metabolic rate, cause increased nervous fidgeting and result in other stress-related ... Strain in this case has its effect on the psychological ‘structure’ of the individual, the ‘stressee’ If the capacity of the stressee is greater than the severity of the stressor, stress or strain ... for the Study of Obesity (IASSO) Professor Wendy Brown BSc (Hons), MSc, Dip Phys Ed, PhD Professor of Physical Activity and Health, University of Queensland Professor Ian Caterson MBBS, BSc (Med),...

Ngày tải lên: 15/03/2014, 04:20

... alternative to passing by reference, arguments may also be passed by address using pointers This passing technique serves the same purpose as passing by reference, but uses pointer syntax instead   void ... calls Triangle 's version  Base class scoping It is still possible to access a redefined method from a derived class by typing the class name followed by the scope resolution operator This is called ... members regardless of their access level are accessible in the class in which they are declared, the enclosing class This is the only place where private members can be accessed   class MyClass {...

Ngày tải lên: 19/03/2014, 14:11

... other classes, so called nested classes Such a class can have any one of the four access levels If a class is inaccessible, it cannot be instantiated or inherited   public class MyClass {  // ... packages as well   // Accessible only from containing package class PackagePrivateClass {}   // Accessible from any package public class PublicClass {}  Nested class access Java allows classes to ... accessible members in Fruit, except for its constructors   // Superclass (parent class) class Fruit {  public String flavor; }    // Subclass (child class) class Apple extends Fruit {  public String...

Ngày tải lên: 29/03/2014, 23:55

... as function names, keywords and built-in constructs such as echo This means that a class named “MyClass” can also be referenced as “myclass” or “MYCLASS”   class MyClass {} $o1 = new myclass(); ... features of classes, such as destructors, will not work in earlier versions of the language Case sensitivity Whereas variable names are case-sensitive, class names in PHP are case-insensitive – just ... 35 www.it-ebooks.info CHAPTER ■ Class Instantiating an object To use a class s members from outside the enclosing class, an object of the class must first be created This is done using the new...

Ngày tải lên: 29/03/2014, 23:56

... as lexical units, scalar datatypes, user-defined subtypes, data conversion, expressions, assignments, block structure, declarations, and scope Chapter 3, "PL/SQL Datatypes" Discusses PL/SQL 's ... program, such as SQL*Plus, to read and display the data passed to DBMS_OUTPUT SQL*Plus does not display DBMS_OUTPUT data unless you first issue the SQL*Plus command SET SERVEROUTPUT ON as follows: SET ... identifiers, user-supplied database objects and structures, column names, packages and classes, usernames and roles, program units, and parameter values Enter sqlplus to start SQL*Plus UPPERCASE monospace...

Ngày tải lên: 30/03/2014, 22:20

Ngày tải lên: 03/04/2014, 12:40

Ngày tải lên: 03/04/2014, 13:24

... programs Chapter 2, "Fundamentals" This chapter focuses on the small-scale aspects of PL/SQL It discusses lexical units, scalar datatypes, user-defined subtypes, data conversion, expressions, assignments, ... process PL/SQL blocks and subprograms as well as single SQL statements The Oracle server passes the blocks and subprograms to its local PL/SQL engine Anonymous Blocks Anonymous PL/SQL blocks can ... which can span multiple lines An ellipsis shows that statements or clauses irrelevant to the discussion were left out lower case Lower case is used for names of constants, variables, cursors, exceptions,...

Ngày tải lên: 07/08/2014, 11:22

... Get system time as seconds past midnight */ SELECT TO_CHAR(SYSDATE,’SSSSS’) INTO start_time FROM sys.dual; something /* Get system time again */ SELECT TO_CHAR(SYSDATE,’SSSSS’) INTO finish_time ... Subtypes Each PL/SQL base type specifies a set of values and a set of operations applicable to items of that type Subtypes specify the same set of operations as their base type but only a subset ... create synonyms for items declared within subprograms or packages That includes constants, variables, cursors, cursor variables, exceptions, and packaged subprograms Scoping Within the same scope,...

Ngày tải lên: 07/08/2014, 11:22

... parentheses The subscript determines which element is processed To reference an element, you specify its subscript using the syntax collection_name(subscript) where subscript is an expression that ... acid_test (figs FiguresRec) RETURN REAL IS BEGIN SELECT cash, notes, INTO sub1_figs FROM assets, liabilities WHERE assets.sub = AND liabilities.sub = 1; SELECT cash, notes, INTO sub2_figs FROM assets, ... PL/SQL executes the assignment statement only if element i exists: IF courses.EXISTS(i) THEN courses(i) := new_course; END IF; When passed an out-of-range subscript, EXISTS returns FALSE instead...

Ngày tải lên: 07/08/2014, 11:22

... and dynamic_string is a string expression that represents a multi-row query Note: This section discusses the static SQL case, in which select_statement is used For the dynamic SQL case, in which ... ends previous transaction SET TRANSACTION READ ONLY; SELECT SUM(amt) INTO daily_sales FROM sales WHERE dte = SYSDATE; SELECT SUM(amt) INTO weekly_sales FROM sales WHERE dte > SYSDATE - 7; SELECT ... changes if necessary How Transactions Guard Your Database A transaction is a series of SQL data manipulation statements that does a logical unit of work Oracle treats the series of SQL statements...

Ngày tải lên: 07/08/2014, 11:22