You notice that the database instance takes a long time to start up after the instance crash. How will you resolve the problem? a) Increase the size of the redo log files b) Decrease the number of redo log members c) Set LOG_CHECKPOINT_TO_ALERT to TRUE d) Decrease the value for the FAST_START_MTTR_TARGET initialization parameter

You notice that the database instance takes a long time to start up after the instance crash. How will you resolve the problem? a) Increase the size of the redo log files b) Decrease the number of redo log members c) Set LOG_CHECKPOINT_TO_ALERT to TRUE d) Decrease the value for the FAST_START_MTTR_TARGET initialization parameter

Programming with Microsoft Visual Basic 2017

8th Edition

ISBN:9781337102124

Author:Diane Zak

Publisher:Diane Zak

Chapter11: Sql Server Databases

Section: Chapter Questions

Problem 12RQ

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Task 5: The Developers team also wants you to ensure that emails are converted to lowercase after an update operation. Currently, new insertions are guaranteed to have lowercase emails, but there is no such guarantee for legacy emails. Therefore, the team wants to ensure that emails are being retained in a lowercase irrespective of any changes in the database. Create a new TRIGGER called email_update for the USERS table that runs before an UPDATE operation. Task: Create a TRIGGER to run on the USERS table before any UPDATE operation. (SQL Database Test): Create a TRIGGER before any UPDATE operations on the USERS table
An objective of this task is to implement your own simple method of auditing the database activities.It is strongly recommended to connect to MySQL either through command line interface mysql or graphical user interface MySQL Workbench and process a script file dbdrop.sql and immediately after that the scripts dbcreate.sql and dbload.sql to refresh a sample database csit115.Download a file solution3.sql and insert into the file the implementations of the following actions.You must connect as a user root with a password csit115.Your implementation must directly follow a comment with a specification of a subtask.(1) First, the script makes a relational table that contains a general log empty.(2) Next, the script sets the appropriate values of the variables to save a general log in a relational table and to start recording a general log from now.(3) Next, the script makes a database csit115 a default database, it stops recording a report, it executes a script file updates.sql, and it…
in sql User_123 has successfully logged on to the database in the past, but today he receives an error message stating that he cannot log on. What is the most likely cause of the problem? Select one: a. User_123's CREATE USER privilege has been revoked. b. User_123 's CREATE SESSION privilege has been revoked. c. User_123's user account has been removed from the database. d. One or more object privileges have been REVOKEd from User_123 .
What happens if a user tries to add data to a database and does so in a way that causes a record to break an enabled constraint?
Create another application/class named EmployeeDatabase that allows you to store anarray that acts as a database of any number of Employee objects up to 25. While the userdecides to continue, offer three options: to add a record to the database, to delete a recordfrom the database, or to change a record in the database. Then proceed as follows:If the user selects the add option, issue an error message if the database is full.Otherwise, prompt the user for an Id. If the Id already exists in the database, issuean error message. Otherwise, prompt the user for rest of the inputs and add the newrecord to the database.If the user selects the delete option, issue an error message if the database is empty.Otherwise, prompt the user for an Id. If the Id does not exist, issue an error message.Otherwise, delete the record.If the user selects the change option, issue an error message if the database is empty.Otherwise, prompt the user for an Id. If the requested record does not exist, issuean…
An index file is always larger than the original database file because the index file needs to store an additional pointer to each record. true or False?
Now that you have a job managing a database, you may choose to implement either a trigger or a process. When should we utilize triggers, and what are they?
Look at the command for the Document Database below. What does it do? db.superheroes.insert{ { collection: “people”, forename: “Bruce”, surname: “Banner”, age: 40 } }; a. It deletes a record for Bruce Banner b. a) It inserts a record for Bruce Banner in the collection superheroes c. It inserts the record for Bruce Banner in the collection people d. It creates a new collection for Bruce Banner in the collection people
After getting a job going on a database, you can use either a trigger or a process. When should a gun be pulled? What are they?
Create new class DbConn containing a connection string and a single function to insert,update and delete records. It takes query as input and return boolean.• Error correction in search and update records.• Create another function in DbConn to search records that returns the ResultSet.
What happens if a user tries to add data to a database in a way that breaks an enabled constraint on a record?
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