user s guide and online help

... Privileges on Invoker 's Rights Subprograms 8-17 Using Roles with Invoker 's Rights Subprograms 8-18 Using Views and Database Triggers with Invoker 's Rights Subprograms 8-18 Using ... a file, reads the file contents, processes each line, then closes the file In the same way, a PL/SQL program issues a query and processes the rows from the result set: FOR someone IN (SELECT * FROM ... should be descriptive Avoid obscure names such as cpm Instead, use meaningful names such as cost_per_thousand Reserved Words Some identifiers, called reserved words, have a special syntactic meaning...

Ngày tải lên: 08/08/2014, 20:21

... code for the study and design of beam physics systems including accel- erators, spectrometers, beamlines, electron microscopes, and glass optical systems. At its core it is using differential algebraic ... 1, and possibly the address of the libraries has to be changed.On workstations, the graphics can be utilized under Xwindows and Tektronix. See [1, Supported Graphics Drivers]. The last versions ... coefficients, tables 1 through 5 list some sets of Enge coefficients taken from various magnets Cosy uses a set of Enge coefficients for typical magnets based on measured data from 34 3 COMPUTING SYSTEMS...

Ngày tải lên: 12/01/2014, 22:17

... Lexical Units An identifier consists of a letter optionally followed by more letters, numerals, dollar signs, underscores, and number signs Other characters such as hyphens, slashes, and spaces are ... the guess is made Bypassing a full key search, Oracle uses the guess to search the block directly However, as new rows are inserted, guesses can become stale and slow down access to rows To obtain ... raises the predefined exception SYS_INVALID_ROWID This also applies to implicit conversions Physical Rowids Physical rowids provide fast access to particular rows As long as the row exists, its physical...

Ngày tải lên: 07/08/2014, 11:22

... numbers are stored as approximate values So,... assigns the value of x to high 2- 50 PL/SQL User? ? ?s Guide and Reference Expressions and Comparisons Zero-Length Strings PL/SQL treats ... use of constants and variables. PL/SQL predefines several subtypes in package STANDARD. For example, PL/SQL predefines the subtypes CHARACTER and INTEGER as follows: SUBTYPE CHARACTER IS CHAR; SUBTYPE ... Get system time again. */ SELECT TO_CHAR(SYSDATE,’SSSSS’) INTO finish_time FROM sys.dual; /* Compute elapsed time in seconds. */ elapsed_time := finish_time - start_time; INSERT INTO results...

Ngày tải lên: 07/08/2014, 11:22

... name and a subscript enclosed in parentheses. The subscript determines which element is processed. To reference an element, you specify its subscript using the syntax collection_name(subscript) ... courses CourseList) 6 NESTED TABLE courses STORE AS courses_tab; Each item in column courses is a nested table that will store the courses offered by a given department. The NESTED TABLE clause ... elements to varray projects: IF (projects.COUNT + 15) < projects.LIMIT THEN Using FIRST and LAST FIRST and LAST return the first and last (smallest and largest) index numbers in... depts(i);...

Ngày tải lên: 07/08/2014, 11:22

... its fields outside the loop. Using Cursor FOR Loops 5-14 PL/SQL User? ? ?s Guide and Reference The sequence of statements inside the loop is executed once for each row that satisfies the query associated ... Oracle using the RELEASE parameter, as follows: EXEC SQL COMMIT WORK RELEASE; 5 -46 PL/SQL User? ? ?s Guide and Reference Processing Transactions Using SET TRANSACTION You use the SET TRANSACTION ... transaction The SAVEPOINT statement names and marks the current point in the processing of a transaction 5 -42 PL/SQL User? ? ?s Guide and Reference Processing... cursor variables Cursors...

Ngày tải lên: 07/08/2014, 11:22

... value is passed in) value is passed out) unless NOCOPY is specified 7-16 actual parameter must be a variable actual parameter is passed by value (a copy of the value is passed in and out) unless ... other user- defined exceptions must be raised explicitly by RAISE statements. Using the RAISE Statement PL/SQL blocks and subprograms should raise an exception only when an error makes it undesirable ... named specifically. Thus, a block or subprogram can have only one OTHERS handler. Handling Raised Exceptions 6-16 PL/SQL User? ? ?s Guide and Reference As the following example shows, use of the OTHERS...

Ngày tải lên: 07/08/2014, 11:22

... constants, exceptions, cursors, and subprograms available for use. The body fully defines cursors and subprograms, and so implements the spec. As Figure 8–1 shows, you can think of the spec as an operational ... What Is a Package? 8-2 PL/SQL User? ? ?s Guide and Reference What Is a Package? A package is a schema object that groups logically related PL/SQL types, items, and subprograms. Packages usually ... packages let you define global variables—usable by subprograms and database triggers—that persist throughout a session. Referencing Package Contents To reference the types, items, subprograms, and...

Ngày tải lên: 07/08/2014, 11:22

... Mainly, you use cursor variables to pass query result sets between PL/SQL stored subprograms and various clients Neither PL/SQL nor any of its clients owns a result set; they simply share a pointer ... PL/SQL User? ? ?s Guide and Reference Constants and Variables db_table_name.column_name This identifies a database table and column that must be accessible when the declaration is elaborated expression ... teams.print_table(team_name); END; 10-10 PL/SQL User? ? ?s Guide and Reference Tips and Traps Tips and Traps This section shows you how to take full advantage of dynamic SQL and how to avoid some...

Ngày tải lên: 07/08/2014, 11:22

... numeric, character, and string literals... Expressions, LOOP Statements 11-66 PL/SQL User? ? ?s Guide and Reference exits both loops Expressions Expressions An expression is an arbitrarily ... evaluates the parenthesized expression first, then uses the result in the larger expression When parenthesized expressions are nested, PL/SQL evaluates the innermost expression first and the... ... expression character expression date expression date expression numeric expression numeric expression Related Topics Assignment Statement, Constants and Variables, EXIT Statement, IF Statement,...

Ngày tải lên: 07/08/2014, 11:22

... LOOP Statements 11-102 PL/SQL User? ? ?s Guide and Reference LOOP Statements LOOP statements execute a sequence of statements multiple times. The loop encloses the sequence of statements that is to ... Topics Constants and Variables, Expressions LOCK TABLE Statement 11-100 PL/SQL User? ? ?s Guide and Reference LOCK TABLE Statement The LOCK TABLE statement lets you lock entire database tables in a specified ... INSERT Statement 11-96 PL/SQL User? ? ?s Guide and Reference Usage Notes Character and date literals in the VALUES list must be enclosed by single quotes (’). Numeric literals are not enclosed...

Ngày tải lên: 07/08/2014, 11:22

... inv.item_name); sql_expression This is any valid SQL expression. For more information, see Oracle8i SQL Reference. subquery This is a SELECT statement that provides a set of rows for processing. Its syntax ... directory, see the Oracle installation or user? ? ?s guide for your system. Here is a list of the files and their locations in this guide: You run some samples interactively from SQL*Plus, others from ... programs. The second script loads (or reloads) the database tables. To run the scripts, invoke SQL*Plus, then issue the following commands: SQL> START exampbld SQL> START examplod Sample...

Ngày tải lên: 07/08/2014, 11:22

... The Surfer® User s Guide is furnished under a single user license agreement Only a single user may use a single user s guide With the purchase of the Surfer User s Guide, the user is entitled ... Classed Post Map 475  Adding a Classed Post Map Layer to Other Maps 476  Editing an Existing Classed Post Map 476  Loading and Saving Classed Post Map Class CLS Files ... Limits and 3D Wireframes 622  Limits and Axis Scaling 623  Limits and Map Scale 623  Limits and Post Maps 623  Limits and Reversed Axes 623  Limits,...

Ngày tải lên: 23/10/2014, 11:30

... characteristics of the system, as this is a main means for the current study After the discussion on the concept, the estimation for the mechanical loss of the system (due to the additional gears for ... head parts such as: camshafts, bearings, valve rockers,¡ The other is used for two main bearings, crankshaft, piston, cylinder liner¡ A sensor is installed at the outlet of the oil passage from ... and the status of H2 researches on backfire control and the enhancement of engine performance Also the purposes and objectives of research are shown The methods and contents and of research are...

Ngày tải lên: 13/11/2014, 06:34

... achieve true and lasting happiness I started reading books on philosophy and metaphysics Blessed with a strong and ambitious spirit, I read lots and lots of these books My inner world was coming ... Don’t confuse short term pleasures from external sources with happiness True and lasting happiness always comes from within External pleasures never last Your thoughts from outside stimuli have ... will feel weak and sheepish Stop reading and ask yourself the following questions Then pause and spend some time reflecting on your honest answers to these questions • Am I always truthful 100%...

Ngày tải lên: 27/01/2014, 02:20

... tremendous investments being made in network capacity As Congress has indicated, policy makers should avoid any action that slows, disrupts, or distorts that innovation This suggests Congress should ... has been a remarkably successful tool for consumers and business Congress should proceed carefully so it does not inadvertently disturb this accomplishment You should ask whether any proposed ... overthe-air system requires access to cable households The fundamental policies and basic facts that drove Congress to adopt mustcarry and retransmission consent are as sound today as they were...

Ngày tải lên: 18/02/2014, 00:20

... an investigation into the massive slave-labour trade across South Africa s borders Nkuna runs his business in human cargo from Mozambique and Swaziland, using safe houses in Boschfontein and Langeloop ... ailing Conversely, success in one country results in echoes elsewhere on the continent What s needed is for us South African journalists to see ourselves as African journalists This means waking ... your sources is expensive So too is spending hours on the phone, speaking to experts and witnesses Sometimes, when investigating stories on those ultra-powerful people we call the ‘untouchables’,...

Ngày tải lên: 06/03/2014, 04:20

... MCO -S Major Combat Operations–Surge MSS Maritime Security Surge NAVSEA Naval Sea Systems Command NAVSEA 08 Nuclear Propulsion Directorate of the Naval Sea Systems Command NNSY Norfolk Naval Shipyard ... this problem, the Assessments Division of the Deputy Chief of Naval Operations for Resources, Requirements, and Assessments (OPNAV N81) asked RAND to examine the feasibility and implications of ... OPNAV N81 Assessments Division of the Deputy Chief of Naval Operations for Resources, Requirements, and Assessments PERSTEMPO personnel tempo PIA planned incremental availability PSA post-shakedown...

Ngày tải lên: 15/03/2014, 21:20

... presenting RSS Or you can use one of the estimated 1,900 other desktop and web-based RSS readers All of them can handle RSS properly To use RSS, follow these simple steps: Pick an RSS reader to try online ... regular business for a few hours Then, returning to your email box, you start to see tens, sometimes hundreds, of messages Your heart starts to pound as you see your daily reader statistics shoot ... blogosphere: ■Caution This blogosphere contains lies, falsehoods, misstatements, and utter nonsense, along with great ideas, thoughtful commentary, life-changing conversations, and insights Use...

Ngày tải lên: 31/05/2014, 23:30

... discussion of specific change issues as they focus on the background, context, and suggestions for change management specialists who wish to consult effectively in business-to-business (B2B) and ... increased self-awareness and organizational knowledge and change The concept of corporate consciousness is introduced, and the authors discuss the power of consciousness and change, suggesting ... Technology Professionals Still Addressing the Same Change Management Issues?” Gigi G Kelly discusses the challenges the unpredictable business environment presents to people responsible for delivering...

Ngày tải lên: 28/06/2014, 17:20