Preview

pt2520 unit 8

Good Essays
Open Document
Open Document
287 Words
Grammar
Grammar
Plagiarism
Plagiarism
Writing
Writing
Score
Score
pt2520 unit 8
When a client connects to the MySQL server, the server uses the username provided by the client and the client host to select the appropriate account row from the mysql.user table. It then uses this row to authenticate the client. Before MySQL 5.5.7, the server authenticates the password provided by the client against the Password column of the account row. As of MySQL 5.5.7, the server authenticates clients using plugins. Selection of the proper account row from the mysql.user table is based on the user name and client host, as before, but the server authenticates the client credentials as follows: The server determines from the account row which authentication plugin applies for the client. If the account row specifies no plugin name, the server uses native authentication; that is, authentication against the password stored in the Password column of the account row. This is the same authentication method provided by MySQL servers older than 5.5.7, before pluggable authentication was implemented, but now is implemented using two plugins that are built in and cannot be disabled. If the account row specifies a plugin, the server invokes it to authenticate the user. If the server cannot find the plugin, an error occurs. The plugin returns a status to the server indicating whether the user is permitted to connect. Whereas SQL Server supports two authentication systems, Microsoft Access supports three. Unfortunately, three is not necessarily better than two, and the Access security system is not suited for large enterprise usage. The most commonly used is Database Password. A database password is simply a password that Access prompts you to type in when opening the database. A database can have only one password. You cannot assign a different password to different users.

You May Also Find These Documents Helpful

  • Satisfactory Essays

    select LisenceTypeName, sum(licenseTypeEnd) from LicenseType Where LicenseTypeEnd < date> Order by LicenseTypeNameselect Price from licenseType order by count…

    • 164 Words
    • 2 Pages
    Satisfactory Essays
  • Satisfactory Essays

    For the second event Event2, the algorithm C does not abort during the challenge phase if one of d_0 and d_1 is 0. By the definition of H-list Pr[d_b=0]=1/(m!q_T+1) where b∈{0,1} and the two values are independent of one another, we have that both Pr[d_0=d_1=1]=1-1/q_T≥〖(1-1/(q_T+1))〗^2. Hence, the Pr[Event2] is at least 1/q_T. Since A never issues trapdoor queries for target keyword vectors, Event1 and Event2 are independent. Hence, the probability that C does not abort during the entire simulation, that is Pr[Event_1 ∧ Event_2]≥1/(eq_T).…

    • 111 Words
    • 1 Page
    Satisfactory Essays
  • Satisfactory Essays

    Pt1420 Unit 4

    • 4123 Words
    • 17 Pages

    A minimization problem with four decision variables, two greater-than-or-equal-to constraints, and one equality constraint will have…

    • 4123 Words
    • 17 Pages
    Satisfactory Essays
  • Satisfactory Essays

    PT2520 Unit7Labs Tramil

    • 330 Words
    • 1 Page

    5. What are entities? An entity is something that the database is concerned with, about which data can be stored, and which can have relationships with other entities.…

    • 330 Words
    • 1 Page
    Satisfactory Essays
  • Satisfactory Essays

    Pt2520 Unit 6 Lab 1

    • 292 Words
    • 2 Pages

    24. What is the difference between the logical design and the physical design of a database?…

    • 292 Words
    • 2 Pages
    Satisfactory Essays
  • Powerful Essays

    Privileged Users will be presented the ROB for Users with Privileged Access to Information Systems. Non-Privileged Users are required to select the appropriate ROB at first login per database prior to receiving access to the application. If a user elects to decline the ROB, access to…

    • 1211 Words
    • 5 Pages
    Powerful Essays
  • Satisfactory Essays

    The length of this garden is 16 feet and the width is 3 feet. There are not other answers because 16 and 3 are the only numbers that can both be added to equal 19 and multiplied to equal 48. When solving this problem I wrote down the formulas for perimeter and area. We were given both the perimeter and area, 38 ft and 48 ft. I plugged this into the formula P=38= 2(l+w) then divided 38 by 2 and found that 19= l+w. Then I wrote the formula for area A=48=lxw. Then I found the two numbers that added to be 19 and multiplied to be 48.…

    • 108 Words
    • 1 Page
    Satisfactory Essays
  • Good Essays

    There will be an offline of White Box Testing technique and Test Case Generation manual, and floating tooltips will be employed in the application.…

    • 1533 Words
    • 7 Pages
    Good Essays
  • Good Essays

    Pt2520 Unit 3 Metrics

    • 544 Words
    • 3 Pages

    In this presentation, the author has explained different metrics and there attributed used to measure software. A person can only measure and represent it in number when he knows something about it. On the other hand, if has no idea about it then he doesn’t have any idea about it [1]. There are two types of software complexity metrics. One gives the efficiency of the machine while running the software which is called as computational complexity. Another one is giving us the factors which affect the software developer capacity to develop good software which is known as psychological complexity. There are two types of software metrics. The process metrics which gives details of the process used such as software life cycle used for development, the time consumed for the development etc. The…

    • 544 Words
    • 3 Pages
    Good Essays
  • Satisfactory Essays

    Pt1420 Unit 7

    • 275 Words
    • 2 Pages

    19. What is a day when Earth’s rotation axis is the most toward or away from the sun?…

    • 275 Words
    • 2 Pages
    Satisfactory Essays
  • Satisfactory Essays

    Unit 5 P1

    • 443 Words
    • 2 Pages

    c. The ability to control the businesses accounts is linked to the other two purposes I’ve already mentioned. If transactions are recorded accurately, then actions can be taken to control the balance between money flowing in and money flowing out of the business/firm. As an example, if it appeared that expenses were increasing but sales were staying the same, then the owner could look for ways to control or cut costs.…

    • 443 Words
    • 2 Pages
    Satisfactory Essays
  • Satisfactory Essays

    For each of everyone have their specific authorization of using this system. Example like admin have the authorization of changing or update the system database and staff have an authorization of input data and receive an output form the system. We have authorization levels because they are some people have authorization to enter further in the system.…

    • 283 Words
    • 2 Pages
    Satisfactory Essays
  • Satisfactory Essays

    Cm220 Unit 2

    • 393 Words
    • 2 Pages

    The “Big Idea” that I am going to write about is “teenage pregnancy.” The working thesis statement that I have come up with is, “Education is one of the best ways to prevent teenage pregnancy, educating teenagers could help the teenagers understand all the consequences of becoming a teenage parent, and all the advantages that they can have if they just would protect themselves from becoming pregnant.…

    • 393 Words
    • 2 Pages
    Satisfactory Essays
  • Powerful Essays

    login and password would be stored in plain text. Here are some general cases where access…

    • 442 Words
    • 2 Pages
    Powerful Essays
  • Powerful Essays

    MySQL RefManual A

    • 635 Words
    • 5 Pages

    upgrade the server from 4.1, attempts to connect to it with an older client may…

    • 635 Words
    • 5 Pages
    Powerful Essays