Objectives: • To write a simple PS/S to oracle application express interface with the database • To use PL/SQL programming constructs and conditional control statements • To design simple PL/SQL subprogram and triggers Course Learning Outcomes
• CLO1 Wme PL/SQL code to interface with the database • CLOS. Use PL/SQL programming constructs and conditional control statements • CLO4 Manape PUSQL subprograms and triggers • CLOS. Create, execute and maintain: Database tripers Part 1 Describe the importance and key concept of database security and how to apply those concepts to securing database management systems within an organization
Answers
1. PL/SQL is ideal for interfacing and managing.
3. Database security involves authentication, authorization, encryption, and auditing.
When it comes to writing a PS/S to Oracle Application Express interface with the database, there are a few key steps you'll want to keep in mind. First, it's important to ensure that you have a solid understanding of the underlying database structure and how it interacts with the application. From there, you'll want to use PL/SQL programming constructs and conditional control statements to build out the interface in a way that meets your specific needs.
To design simple PL/SQL subprograms and triggers, you'll need to have a solid grasp of the underlying concepts and syntax used in PL/SQL. From there, you can begin to experiment with different approaches to a subprogram and trigger design and refine your approach to achieve the desired results.
Overall, achieving these learning outcomes will require a combination of hands-on practice, a deep understanding of the underlying concepts, and the ability to think creatively and critically about the problem at hand.
PL/SQL is a powerful tool for interfacing with databases and managing data. Using PL/SQL programming constructs and conditional control statements, you can write efficient and effective code to manipulate data and interact with the database.
In addition to basic PL/SQL programming, it's important to understand how to manage subprograms and triggers. These are key components of any database system, and understanding how they work and how to create and maintain them is essential for success.
Database security is also a critical consideration when working with databases. It's important to implement security measures to protect sensitive data from unauthorized access, modification, or deletion. Key concepts of database security include authentication, authorization, encryption, and auditing.
To apply these concepts to securing database management systems within an organization, you can implement role-based access control, password policies, encryption techniques, and regularly scheduled audits to ensure that your database is secure and protected from potential threats.
To learn more about programming visit:
https://brainly.com/question/14368396
#SPJ4
Related Questions
Part A
Determine the force in member DE of the truss, and state if the member is in tension or compression. Take F1 = 564 N , F2 = 905 N .
(Figure 1)
Express your answer to three significant figures and include the appropriate units. Assume positive scalars for members in tension and negative scalars for members in compression.
Part B
Determine the forces in members DC and CB of the truss, and state if the members are in tension or compression.
Express your answer to three significant figures and include the appropriate units. Assume positive scalars for members in tension and negative scalars for members in compression.
Part C
Determine the force in member CE of the truss, and state if the member is in tension or compression.
Express your answer to three significant figures and include the appropriate units. Assume positive scalars for members in tension and negative scalars for members in compression.
Part D
Determine the force in member EB of the truss, and state if the member is in tension or compression.
Express your answer to three significant figures and include the appropriate units. Assume positive scalars for members in tension and negative scalars for members in compression.
Part E
Determine the force in member EA of the truss, and state if the member is in tension or compression.
Express your answer to three significant figures and include the appropriate units. Assume positive scalars for members in tension and negative scalars for members in compression.
Answers
describe the historical development of building material being used in the construction indsury
Answers
Answer:
Construction, the techniques and industry involved in the assembly and ... Early building materials were perishable, such as leaves, branches, and animal hides. ... The well-developed masonry technology of Mesopotamia was used to build large ... although its precise description is unknown; the concealed faces of stones
Explanation:
The maintenance on a machine is expected to be $8257 for the second year and an additional $1,750 cost every year until year 6. What is the present equivalent value at the beginning of the first year if the interest is 4% per year? Round your answer to 2 decimal places. Add your answer
Answers
The given problem states that the maintenance on a machine is expected to be $8257 for the second year and an additional $1,750 cost every year until year 6.
We are supposed to calculate the present equivalent value at the beginning of the first year if the interest is 4% per year.To calculate the present value of the maintenance, we will use the formula for the present value of an annuity, which is given by:PV = PMT [(1 - (1 + r)⁻ⁿ) / r]Here, PV is the present value, PMT is the payment, r is the interest rate per period, and n is the total number of periods.
To calculate the present value, we first need to calculate the total maintenance cost for years 2 to 6:Total maintenance cost for years 2 to 6 = $1,750 × 5= $8,750Now, we can calculate the present value of the maintenance cost using the formula:PV = $8257 + $8,750 / (1 + 0.04)² + $8,750 / (1 + 0.04)³ + $8,750 / (1 + 0.04)⁴ + $8,750 / (1 + 0.04)⁵PV = $31,092.06Therefore, the present equivalent value at the beginning of the first year if the interest is 4% per year is $31,092.06 (rounded to 2 decimal places).
To know more about maintenance visit:
https://brainly.com/question/32165218
#SPJ11
The fan pressure differential gage on an air handler reads 12 cm H2O. What is this pressure differential in kiloPascals
Answers
Answer:
\(1.18\ \text{kPa}\)
Explanation:
g = Acceleration due to gravity = \(9.81\ \text{m/s}^2\)
h = Height of reading = 12 cm
\(\rho\) = Density of water = \(1000\ \text{kg/m}^3\)
Pressure due to height difference is given by
\(P=\rho gh\\\Rightarrow P=1000\times 9.81\times 12\times 10^{-2}\\\Rightarrow P=1177.2\ \text{Pa}=1.1772\ \text{kPa}\approx 1.18\ \text{kPa}\)
The pressure differential is \(1.18\ \text{kPa}\).
According to the question,
Height of reading, \(h = 12 \ cm\)Density of water, \(\rho = 1000 \ kg/m^3\)Acceleration due to gravity, \(g = 9.8 \ m/s^2\)The formula will be:
→ \(P = \rho g h\)
By putting the values, we get
\(= 1000\times 9.8\times 12\times 10^{-2}\)
\(= 1177.2 \ Pa\)
\(= 1.18 \ kPa\)
Thus the answer above is correct.
Learn more about pressure here:
https://brainly.com/question/17708758
6. Question
Which statements are true about routers? Check all that apply.
A router can only send data to another computer that's on the same network.
A router is a set of components that makes up computer networking.
A router connects devices together and helps direct network traffic.
A router utilizes network protocols to help determine where to send data packets.
7.
Question
Answers
Answer:
Check the 2nd, 3rd and 4th statements.
Explanation:
The router provides two basic functions traffic management between these networks through the transmission of data packets to the designated IP address, and the use of the same Internet connection by many devices.
A networking device is a router that transmits data packets between computer nets. Traffic control functions are executed on the internet via routers. Data sent via the internet are in data packets, for example, a web page or email.A router is a device connecting two or more packets or subnetworks. It is used to sets the components from the networking of your computer.Therefore, the final answer is "the second choice".
Learn more:
brainly.com/question/2162586
A refrigerator is made of which technology
Answers
Answer:
sheet metal
Explanation:
1.3. If the surface tension coefficient of a fluid is 0,07 N/m and the radius
of the droplet is 2,5 mm. calculate:
1.3.1 surface tension force
(2)
1.3.2 difference in pressure of the droplet
(1)
Answers
Answer:
A) F = 0.011 N
B) ΔP = 5.6 N/m²
Explanation:
We are given;
surface tension coefficient; S = 0.07 N/m
Radius; r = 2.5 mm = 0.025 m
A) Formula to find the surface tension force(F) is given by;
F = SL
Where L is effective length = 2πr
F = 0.07 × 2π × 0.025
F = 0.011 N
B) Formula for difference in pressure droplet is;
ΔP = 2S/r
Thus;
ΔP = (2 × 0.07)/0.025
ΔP = 5.6 N/m²
What is the relationship between mechanical stress inside of a cylindrical part with a given force applied to it
Answers
The relationship between mechanical stress inside of a cylindrical part with a given force applied to it is stress = force/area.
How is pressure associated with strain?The utility of pressure offers upward thrust to strain, however now no longer the opposite manner around. A pressure is a push or pull upon an item attributable to the item's interplay with some other item while Stress is an inner resistance to supplied through the frame itself each time it's far beneath a few type of deformation.
Stress is denoted through σ. It is represented as N/m2. Stress formulation is made use of to locate carried out on any given frame if pressure and region on which pressure is exerted is given withinside the problem.
Read more about the strain:
https://brainly.com/question/25793394
#SPJ1
Determine the length of the base if the height of a triangle is 28 feet and the area of the triangle is 350 square feet.
Answers
Answer: 25 ft
Explanation:
For a triangle, the area is given by
A = (1/2)base*height
Rearranging,
base = 2A/height
Substituting the given values,
base = 2(350 ft^2)/(28 ft) = 25 ft
The ____ neurons allow the body to move and are greatly influenced by electri
A. compression
B. motor
C. positive
D. mobile
Answers
A
Answer:
the answer would be B motor
Which of the following lists the steps of a process in the correct order?
Input, Process, Output, Feedback
Feedback, Process, Output, Input
Input, Output, Feedback, Process
Process, Feedback, Input, Output
Answers
The list which gives the steps of a process in the correct order is: A. Input, Process, Output, Feedback.
A process refers to a set of finite steps that must be followed in order to achieve an expected outcome or result in a system.
Generally, there are four (4) main steps in a process and these include the following in a correct order (chronology):
Input: this is the data that is entered into a system.
Process: this is the conversion of a data into useful information.
Output: this is the useful information that are presented to an end user.
Feedback: this is the response that is received from the end users.
Read more on a process here: https://brainly.com/question/25614614
Answer:
A
Explanation:
First you must input your data than you get the process of what that information is. Next is the output when you get the results then you get feedback.
Think of it like making a pizza. you must INPUT the ingredients... Then Cook the pizza (PROCESS) Finally you get the pizza cooked and it's called the output!! Finally, when you sell the pizza, and the customer eats it. Feedback
How does the action of wind affect a rock’s appearance?
Answers
Answer:
Forces like wind and water break down rocks through the processes of weathering and erosion. ... Forces like wind and water move the rock pieces. They mix with matter like sand to become sediment. Weathering and erosion help shape Earth's surface.
Answer:
As an agent of erosion, the wind will quickly break the rock into different rock types.
Explanation:
True or false Self Driving Cars are examples of emerging technology
Answers
The electron concentration in silicon at T = 300 K is given by
n(x) = 10^16exp(-x/18) cm^-3
where x is measured in μm and is limited to 0 ≤ x ≤ 25 μm. The electron diffusion coefficient is Dn = 25 cm2/s and the electron mobility is μn = 960 cm2/V-s. The total electron current density through the semiconductor is constant and equal to Jn = -40 A/cm2. The electron current has both diffusion and drift current components. Determine the electric field as a function of x which must exist in the semiconductor.
Answers
Answer:
\(E=1.44*10^-7-2.6exp(\frac{-x}{18} )v/m\)
Explanation:
From the question we are told that:
Temperature of silicon \(T=300k\)
Electron concentration \(n(x)=10^{16}\exp (\frac{-x}{18})\)
\(\frac{dn}{dx}=(10^{16} *(\frac{-1}{16})\exp\frac{-x}{16})\)
Electron diffusion coefficient is \(Dn = 25cm^2/s \approx 2.5*10^{-3}\)
Electron mobility is \(\mu n = 960 cm^2/V-s \approx0.096m/V\)
Electron current density \(Jn = -40 A/cm^2 \approx -40*10^{4}A/m^2\)
Generally the equation for the semiconductor is mathematically given by
\(Jn=qb_n\frac{dn}{dx}+nq \mu E\)
Therefore
\(-40*10^{4}=1.6*10^{-19} *(2.5*10^{-3})*(10^{16} *(\frac{-1}{16})\exp\frac{-x}{16})+(10^{16}\exp (\frac{-x}{18}))*1.6*10^{-19}*0.096* E\)
\(E=\frac{-2.5*10^-^7 exp(\frac{-x}{18})+40*10^{4}}{1.536*10^-4exp(\frac{-x}{18} )}\)
\(E=1.44*10^-7-2.6exp(\frac{-x}{18} )v/m\)
how many pairs of wires get switched when making a gigabit ethernet crossover cable
Answers
Answer:ALL FOUR PAIRS
Explanation: first major difference is the gigabit standards require the use of all four pairs (all eight wires), unlike Fast Ethernet which only utilizes two pairs of wires. As a result, in Gigabit Ethernet, all four pairs must be crossed when building a Crossover cable
When making a Gigabit Ethernet crossover cable, two pairs of wires get switched. Ethernet cables are used to connect computer networks that enable communication between different devices. The two most popular types of Ethernet cables are crossover and straight cables.
Ethernet cables use four pairs of wires to transmit data, out of which two pairs are utilized for transmitting and two pairs are used for receiving. In a straight-through Ethernet cable, the wire arrangement is identical at both ends. For this reason, a straight-through cable is employed to connect devices that belong to the same category. In contrast, a crossover Ethernet cable is employed to connect devices belonging to different categories. A crossover cable reverses the transmitting and receiving pairs, allowing the devices to communicate with one another. In a Gigabit Ethernet crossover cable, two pairs of wires are swapped or switched. These pairs are Pins 1-2 (White and Orange) and Pins 3-6 (White and Green). Therefore, we can conclude that two pairs of wires get switched when making a Gigabit Ethernet crossover cable.
To learn more about Ethernet cables, visit:
https://brainly.com/question/30155677
#SPJ11
What term describes a catalytic converter as it reaches its effective temperature?
Answers
Twisting force is known as:
Select one:
A. thrust.
B. horsepower.
C. torque.
D. energy.
Answers
an adiabatic compressor receives 1.5 meter cube per second of air at 30 degrees celsius and 101 kpa. The discharge pressure is 505 kpa and the power supplied is 325 kW, what is the discharge temperature
Answers
Answer:
The discharge temperature is 259.82 K
Explanation:
In this question, we are concerned with calculating the discharge temperature
Please check attachment for complete solution
How is varnished timber shaped and cut?
Answers
Determine the discharge in each pipe and the pressure at Node J (elev=0 ft) based on the data in the table below. The water temperature is 20C (ν = 1.00 x 10-6)
Answers
The solution for discharge in each pipe and pressure is:
Given:
Pipe 1: L = 1000 ft, D = 6 in, hf = 10 ft
Pipe 2: L = 500 ft, D = 8 in, hf = 5 ft
Solution:
Pipe 1:
Q1 = (π/4)*(D1^2)*SQRT((2*g*hf1)/(L1*ν))
Q1 = (π/4)*(6^2)*SQRT((2*32.2*10)/(1000*1.00*10-6))
Q1 = 0.37 cfs
Pipe 2:
Q2 = (π/4)*(D2^2)*SQRT((2*g*hf2)/(L2*ν))
Q2 = (π/4)*(8^2)*SQRT((2*32.2*5)/(500*1.00*10-6))
Q2 = 0.49 cfs
Node J:
PJ = P1 + (ρ*g*h1) + (Q1^2/(2*g*A1)) + (Q2^2/(2*g*A2))
PJ = 0 psig + (62.4*32.2*10) + (0.37^2/(2*32.2*(π/4)*(6^2))) + (0.49^2/(2*32.2*(π/4)*(8^2)))
PJ = 20.9 psi
Discharge is the process of releasing or expelling a substance from its confined space. It can refer to the removal of liquid, gas, or solid material from a container or system, such as the release of water from a reservoir or the release of air from a compressor. Discharge can also refer to the emission of electricity from a battery or capacitor, or the release of radioactive material from a nuclear reactor.
To know more about Discharge
https://brainly.com/question/29427052
#SPJ1
There is a point where the streamlines, located in the boundary layer of air right next to the wings surface, will separate from the airfoil. This point is called
Answers
The point where the streamlines, located in the boundary layer of air right next to the wings surface, will separate from the airfoil is called Stall.
What is a Stall?
A stall occurs when an aerofoil's angle of attack exceeds the value that produces maximum lift as a result of airflow across it. This angle is typically around 15° and varies very little in response to the cross section of the (clean) aerofoil.
The airflow across the upper cambered surface ceases to flow smoothly and in contact with the upper surface at the stall and becomes turbulent, greatly reducing lift and increasing drag. The deployment of leading edge or trailing edge devices changes the effective configuration of a wing, which directly affects the angle of attack at which an aerofoil stalls.
All of this, however, assumes a clean wing, and for any aerofoil, contamination of the normally smooth surface by frozen deposits results in a change in the angle of attack at which a stall occurs.
To learn more about Stall, visit: https://brainly.com/question/30197972
#SPJ4
A chemical process converts molten iron (III) oxide into molten iron and carbon dioxide by using a reducing agent of carbon monoxide. The process allows 10.08 kg of iron to be produced from every 16.00 kg of iron (III) oxide in an excess of carbon monoxide. Calculate the percentage yield of iron produced in this process.
Answers
Answer:
percentage yield = 63%
Explanation:
The yield efficiency or percentage yield measure the amount of products that are formed from a given amount of reactant. For a percentage yield of 100, all the reactants are completely converted to product. Mathematically, the percentage yield is given by:
\(percentage\ yield = \frac{Actual\ yield}{expected\ yield} \times 100\\Actual\ yield = 10.08kg\\Expected\ yield= 16.00kg\\\\\therefore percentage\ yield = \frac{10.08}{16.00} \times 100 = 63 \%\)
which fluid delivery method improves a cutting fluid's cooling and lubrication properties by propelling the fluid at a high rate of speed?
Answers
A high-pressure spray nozzle improves cutting fluid's cooling and lubrication properties.
What method enhances cutting fluid's cooling and lubrication by propelling it at high speed?High-pressure coolant is a fluid delivery method that enhances the cooling and lubrication properties of cutting fluids by propelling the fluid at a high rate of speed. This method involves using pumps or nozzles to deliver coolant at pressures higher than conventional coolant systems.
By increasing the velocity and force with which the cutting fluid is delivered, high-pressure coolant effectively improves heat dissipation and chip evacuation during machining processes.
Learn more about Cutting fluids
brainly.com/question/31674484
#SPJ11
Question 5
Not yet answered
Marked out of 1.00
P Flag question
Which one of the following torque is produced by the spring in PMMC instrument?
O a. Damping
O b. Forcing
OC. Deflection
O d. Controlling
Answers
Answer:
A
Explanation:
Actually I don't know anything about American history, I chose it because South Africa is not in the least
to do you blur text in google docs
Answers
Answer:
I dont think you can blur text in google docs
When an eight-cylinder engine with a single coil is running at 3,000 rpm, its magnetic field must be able to build up and collapse __________ times in 1 second.
Answers
the magnetic field of the eight-cylinder engine must be able to build up and collapse 4,000 times in 1 second.
When an eight-cylinder engine with a single coil is running at 3,000 rpm (revolutions per minute), its magnetic field must be able to build up and collapse 4,000 times in 1 second.
To calculate this, we can use the following formula:
Number of cycles per second = (Engine RPM / 60) * Number of cylinders
In this case, the engine has eight cylinders, and it is running at 3,000 rpm. Plugging these values into the formula, we get:
Number of cycles per second = (3000 / 60) * 8 = 50 * 8 = 4000
Therefore, the magnetic field of the eight-cylinder engine must be able to build up and collapse 4,000 times in 1 second.
To know more about Eight Cylinder Engine related question visit:
https://brainly.com/question/9883058
#SPJ11
A series resistive circuit has two resistors. R1 is 570 ohms and R2 is 560 ohms.
The total circuit current is 17.9 milliamps.
Find the voltage drop across R1 in volts.
Answers
Answer:
10.203 Volts
Explanation:
For this problem, we need to understand that a series resistive circuit is simply a circuit with some type of voltage source and some resistors, in this case, R1 and R2.
First, we need to find the voltage in the circuit. To do this, we need to find the total resistance of the circuit. When two resistors are in series, you sum the resistance. So we can say the following:
R_Total = R1 + R2
R_Total = 570 Ω + 560 Ω
R_Total = 1130 Ω
Now that we have R_Total for the circuit, we can find the voltage of the circuit by using Ohm's law, V = IR.
V_Total = I_Total * R_Total
V_Total = 17.9 mA * 1130 Ω
V_Total = 20.227 V
Now that we have V_Total, we can find the voltage drop across each resistor by using Ohm's law once more. Note, that since our circuit is series, both resistors will have the same current (I.e., I_Total = I_1 = I_2).
V_Total = V_1 + V_2
V_Total = V_1 + I_2*R2
V_Total - I_2*R2 = V_1
20.227 V - (17.9 mA * 560 Ω) = V_1
20.227 V - (10.024 V) = V_1
10.203 V = V_1
Hence, the voltage drop across R1 is 10.203 Volts.
Cheers.
Which pipe for water is best for construction?
Answers
Likely, CPVC. Most recommended.
Most regulatory signs are?
Answers
Answer:
Most regulatory signs are square or rectangular except for STOP signs, which are octagonal, and YIELD signs, which are equilateral triangles with one point straight down.
Explanation:
Answer:
Most regulatory signs are square or rectangular except for STOP signs, which are octagonal, and YIELD signs, which are equilateral triangles with one point straight down.
Please give me brainliest - you get 25% as well! I swear!
The UHRS platform is optimized for Edge/Internet Explorer only. You can still use your favorite browser, but keep in mind that you may experience technical issues when working on UHRS with a different browser than Edge or Internet Explorer.
UHRS is optimized for...
Answers
It is to be noted that all UHRS platforms are optimized for the popular kinds of internet browser applications.
What is a UHRS?The Universal Human Relevance System (UHRS) is a crowdsourcing platform that allows for data labeling for a variety of AI application situations.
Vendor partners link people referred to as "judges" to offer data labeling at scale for us. All UHRS judges are bound by an NDA, ensuring that data is kept protected.
A browser is a software tool that allows you to see and interact with all of the knowledgeon the World Wide Web. Web sites, movies, and photos are all examples of this.
Learn more about internet browser applications.:
https://brainly.com/question/16829947
#SPJ1