oracle 9i introduction to sql vol2

... Trang 2SQLTrang 3Introduction toI Structured Query Language I Usually “talk” to a database server I Used as front end to many databases (mysql,postgresql, oracle, sybase) I Three ... etc I SQLite - use SQL without a database server I PROC SQL in SAS Trang 29Introduction toI console command (mysql -u user -p dbname) I GUI interfaces are often available I Interfaces to many ... etc I SQLite - use SQL without a database server I PROC SQL in SAS Trang 30SQL Ways to Use SQLI console command (mysql -u user -p dbname) I GUI interfaces are often available I Interfaces to many

Ngày tải lên: 22/10/2014, 16:47

... respective owners. Trang 3Introduction Introduction to Oracle: SQL and PL/SQL is often the first course that many Oracle students attend You might be their first contact with any Oracle personnel At ... have ever attended, to excite them to learn, and to make them want to come back for more • To give you some tips and techniques to help you vary your lecture style, avoid monotony in classes, and ... the capabilities that SQL lacks and how PL/SQL serves as an extension to SQL The objective of this slide is to highlight that PL/SQL combines the data manipulating power of SQL with the data processing

Ngày tải lên: 24/01/2014, 10:20

... PublicationsOracle Publications Oracle9i Reference, Release 1 (9.0.1) A90190-02 Oracle9i SQL Reference, Release 1 (9.0.1) A90125-01 Oracle9i Concepts, Release 1 (9.0.0) A88856-02 Oracle9i Server ... component queries into one result QueriescontainingSEToperators are called compound queries. AllSEToperators have equal precedence If a SQL statement contains multipleSEToperators, theOracle server ... able to do the following: • Describe SET operators • Use a SET operator to combine multiple queries into a single query • Control the order of rows returned Trang 19The SET OperatorsTheSEToperators

Ngày tải lên: 18/04/2014, 10:24

... := 3; Chapter 27: An Introduction to PL/SQL 507 ORACLE Series TIGHT / Oracle9 i : The Complete Reference / Loney, Koch / 222521-1 / Chapter 27 Blind Folio 27:507 P:\010Comp\Oracle8\521-1\CD\Ventura\book.vp ... triggers to tell Oracle what to do instead of performing the actions that invoked the trigger. For example, you could use an INSTEAD OF trigger on a view to redirect inserts into a table or to update ... to audit changes to data in the BOOKSHELF table, then you may insert a record into a different table (say, BOOKSHELF_AUDIT) every time a record is changed in BOOKSHELF. To do this, you need to

Ngày tải lên: 07/08/2014, 14:20

... Trang 1Introduction to Oracle Access Manager Trang 2After completing this lesson, you should be able to: Management Suite Management products Trang 3Oracle Identity ManagementOracle + Sun ... through the Oracle Coherence-based session management engine. Trang 29Oracle Access Manager 11gComparison with Oracle Access Manager 10g tool Trang 30Oracle Access Manager 11gComparison with Oracle ... Trang 19Oracle Coherence in Session ManagementOracle Coherence: latencies including an optional database store (Enables failover and reconciliation) Coherence OAM Server Session Data Store Trang

Ngày tải lên: 25/11/2016, 21:13

... 1Migrating Oracle Databases to SQL Server 2000Updated: July 19, 2001 This chapter is for developers of Oracle applications who want to convert their applications to Microsoft® SQL Server™ 2000 The tools, ... Transact-SQL stored procedure can be used to replace an Oracle PL/SQL packaged function In this example, the Transact-SQL version is much simpler because of the ability of SQL Server to return ... by using SQL Server Enterprise Manager (set the recovery model to Simple), Transact-SQL (ALTER DATABASE), or SQL-DMO Networks Oracle SQL*Net supports networked connections between Oracle database

Ngày tải lên: 19/05/2014, 08:45

... software that helps identify other Bluetooth devices Bluetooth and Ultra Wide Band (continued) Bluetooth and Ultra Wide Band (continued) • Bluetooth – Distance: up to 33 feet (10 meters) – Bandwidth: ... (continued) Bluetooth and Ultra Wide Band • Radio frequency identification device (RFID) tags – Small chips containing radio transponders • Can be used to track inventory • Bluetooth and Ultra ... Used to transmit data over very long distance • Repeater – Located in the satellite itself – Simply “repeats” the same signal to another location – Used to transmit data from one earth station to

Ngày tải lên: 13/09/2012, 10:52

... Chapter 1 Slide 1An Introduction to Software Engineering ©Ian Sommerville 2004 Software Engineering, 7th edition Chapter 1 Slide 2 Objectives its importance software engineering to explain why they ... of concern to software engineers Topics covered Trang 2©Ian Sommerville 2004 Software Engineering, 7th edition Chapter 1 Slide 4Software engineering dependent on software methods and tools for ... all aspects of software production and organised approach to their work and use appropriate tools and techniques depending on the problem to be solved, the development constraints and the resources

Ngày tải lên: 14/09/2012, 11:26

... Silver’s) Trang 5An Introduction To Franchising 1Chapter 1: An Introduction To Franchising What is a franchise? What are common franchise terms? What are the alternatives to franchising? What ... are similar to fran-chises, and vice versa A franchisee with a great deal of leeway in how to run the business may look like an independent distributor A distributor may be subject to many controls ... make enough money to make it worthwhile? ? Avenue Trang 15An Introduction To Franchising 11What Business Should You Start? “Find something you love to do and you’ll never have to work a day in

Ngày tải lên: 19/10/2012, 15:42

... only too well known There are so many scientific terms named after Newton (Newton's rings and Newton's law of motion/ viscosity/resistance) that he can be regarded as the greatest contributor to ... are divided into liquids and gases A liquid is hard to compress and as in the ancient saying ‘Water takes the shape of the vessel containing it’, it changes its shape according to the shape of ... lo6) (m2/s x106) Stokes’ equation, to be stated in Section 9.3.3, is utilised for measuring the viscosity, it is named after him), while its 1 / 100th part is 1 cSt (centistokes) Thus I s t

Ngày tải lên: 22/10/2012, 10:59

... changes according to its height, it is necessary to take its depth into account Furthermore, even in the case of relative rest (e.g the case where the fluid is stable relative to its vessel even ... to water pressure, such as the bank of a dam, the sluice gate of a dam or the wall of a water tank? How large must the torque be to open the sluice gate of a dam? What is the force required to ... closed at one end which is free to move, but the other end is rigidly fixed to the frame When the pressure enters from the fixed end, the cross-section tends to become circular so the free end

Ngày tải lên: 22/10/2012, 10:59

... we had to trust mainly to Rankine's text books Occasionally in the higher classes he would forget all about having to lecture and after waiting for ten minutes or so, we sent the janitor to tell ... formula or other and say it was wrong He then went up to the blackboard to prove this He wrote on the board with his back to us, talking to himself, and every now and then rubbed it all out and ... liquid makes a rotary ’In general, vector with the following components x, y, z for vector V (components x, y, z are u, v, w) is called the rotation or curl of vector V, which can be written as rot

Ngày tải lên: 22/10/2012, 10:59

... the top of the steep slope, and it increases towards the bottom This is because the potential energy increases and kinetic energy decreases at the top, and the opposite occurs at the bottom However, ... simply be caught with a glove A moving automobile, however, is difficult to stop in a short time (Fig 5.16) Therefore, the velocity is not sufficient to study the effects of bodily motion, but ... right angles to the jet is F,, = F cos = pQv sin cos (5.37) Then the flow rate along the flat plate separates into Q1 and Q2 Let us obtain the change in the ratio of Q, to Q2 according to the inclined

Ngày tải lên: 22/10/2012, 10:59

... is found that the shearing stress due to the turbulent flow is proportional to pu’u’ Reynolds, by substituting u = ti + u’, u = 8 + u’ into the Navier-Stokes equation, performed an averaging ... neighbouring molecules in addition to the force studied by Euler to find the equation of motion of fluid Thereafter, through research by Cauchy, Poisson and Saint- Venant, Stokes derived the present equations, ... diffusion of vorticity becomes larger, too In the Navier-Stokes equations, the convective acceleration in the inertial term is non-linear2 Hence it is difficult to obtain an analytical solution for

Ngày tải lên: 22/10/2012, 10:59

... direction is also produced The total head loss hb is expressed by the following equation: V2 Here, c b is the total loss factor, and [ is the loss factor due to the bend effect The values of ... British texts use 4f in this equation Since friction factor f = 1/4, it is essential to check the definition to which a value of friction factor refers The symbol used is not a reliable guide ... 16Table 7.1 Loss factor [ for bends (smooth wall Re = 225 000, coarse wall face Re = 146 000) bend In a bend, in addition to the head loss due to pipe friction, a loss due to the change in flow

Ngày tải lên: 22/10/2012, 10:59

... part of the disc to f and the resistance acting on it to F, Ff =r- 2zr0b P(row)2 Torque T2 due to this surface friction is as follows: T2 = z f p o r : b Assumingf = (9.27) ,the torque T needed ... subject to a force from the surrounding fluid When a flat plate is placed in the flow direction, it is only subject to a force in the downstream direction A wing, however, is subject to the force ... R inclined to the flow as shown in Fig 9.2 In general, the force R acting on a body is resolved into a component D in the flow direction U and the component L in a direction normal to U The former

Ngày tải lên: 22/10/2012, 10:59

... not feasible to have the ratios of all such corresponding forces simultaneously equal, it will suffice to identify those forces that are closely related to the respective flows and to have them ... function is called dimensional analysis If a phenomenon is too complicated to derive a formula describing it, dimensional analysis can be employed to identify groups of variables which would appear in ... groups can be constructed allowing numerical calculations to be conducted Trang 2In order to perform the dimensional analysis, it is convenient to use the n theorem Consider a physical phenomenon having

Ngày tải lên: 22/10/2012, 10:59

... called the Pitot tube coefficient, which may be taken as having value 1 for a standard-type Pitot tube However, when compressibility is to be taken into account, refer to Section 13.4 A Pitot tube ... commonly used standard Pitot tube (also called a Pitot-static tube) The flow velocity is given by the following equation from total pressure p1 and static pressure p z , both to be measured as in ... the total flow rate is obtained from the product of the mean velocity and the section area Apart from the standard type, there are various other types of Pitot tube, as follows Cylinder-type Pitot

Ngày tải lên: 22/10/2012, 10:59

... applicable to a body placed in the flow, e.g between the stagnation point of a Pitot tube and the main flow Correction to a Pitot tube (see Section 11.1.1) Putting pm as the pressure at a point not affected ... them, points a or b of maximum entropy correspond to the sonic state M = The curve above these points corresponds to subsonic velocity and that below to supersonic velocity The states immediately ... now as shown in Fig 13.2(c), producing a Mach wave normal to the flow direction When u > a, i.e M > 1, the wavefronts are quite unable to propagate upstream as in Fig 13.2(d), but flow downstream

Ngày tải lên: 22/10/2012, 10:59

... pressurised pipe begins to discharge backwards into the tank at velocity v The pressure reverts to the original tank pressure po, and the pipe, too, begins to contract to its original state The ... comprising pipe line and tank changed (from 0 to p,, say), it is desirable to know the response of the outlet pressure p2 Assuming a pressure loss Ap due to tube friction, with instantaneous flow ... motive power, but recently it has been utilised for transmitting or automatically controlling power too High-pressure fluid has to be used in these systems for high speed and good response Consequently

Ngày tải lên: 22/10/2012, 10:59