Answered: Which of the following functions can be…

Which of the following functions can be used to substitute a value for a NULL value? (refer to the tables in the JustLee Books database.)a. NVLb. TRUNCc. NVL2d. SUBSTRe. both a and df. both a and c

Oracle 12c: SQL

3rd Edition

ISBN:9781305251038

Author:Joan Casteel

Publisher:Joan Casteel

Chapter4: Constraints

Section: Chapter Questions

Problem 15MC: Which of the following data dictionary objects should be used to view information about the...

See similar textbooks

Related questions

Q: Which of the following is a valid SQL statement?a. ALTER TABLE secustomersspent ADD DATE…

Q: Which of the following key is used to delete characters to the left of the cursor

A: Step 1:- Given:- Which of the following key is used to delete characters to the left of the cursor?

Q: Which of the following is not a valid format argument for displaying the current time? (refer to the…

A: Valid format argument for displaying current time The TO_CHAR function is used to convert the given…

Q: Which of the following commands can be used to enable a disabled constraint? ( refer to the tables…

A: Explanation: “ALTER TABLE” statement comes under Data Definition Language. It is used to modify…

Q: Which SQL Command is used to delete a table from the database: a) Update b) Alter c) Drop d) Şelect

A: Update Command is used to update the value in a table. Alter command is used to change the value in…

Q: Which of the following LINQ statements arranges the records in ascending order by the LastName…

A: The LINQ statement to arrange the records in the ascending order by the field named LastName. Two…

Q: Which of the following can contain partial or transitive dependencies but has no repeating groups?…

A: Actually, database is a used to stores the data/information.

Q: in sql If you have not yet used the COMMIT command to store the changes permanently in the…

A: Answer: a. True

Q: Which SQL statement key word can be used to delete a record within a table?a. DELETEb. DROPc.…

A: SQL keyword for deleting a record Removing a row from a table is accomplished by a data…

Q: Which of the following functions can be used to extract a portion of a character string?(refer to…

A: Function for extracting a portion of a character string Substring is a contiguous sequence of…

Q: Which of the following is true? (refer to the tables in the JustLee Books database)a. If you…

A: True statement Here while truncating a table, new data can be added to the table. While changing…

Q: Which of the following operators is used to find all values greater than the highest value returned…

A: Answer: The “>All” operator is used to find all values greater than the highest value returned…

Q: Which command of the followings doesn't belong to SQL DDL? Create Commit Alter…

A: DDL(Data Definition Language) : DDL or Data Definition Language actually consists of the SQL…

Q: Which of the following privileges allows a user to truncate tables in a database? (refer to the…

A: There are no such privileges like "TRUNCATE ANY TABLE", and "TRUNC TABLE" in Oracle. The privilege…

Q: Which of the following commands can you use to modify an index?a. ALTER SESSIONb. ALTER TABLEc.…

Q: Which of the following is true?a. All data in a table can be recovered if the table is dropped with…

A: ANS: - Option(B) is correct. All data in a table can be recovered from recycle bin if the table is…

Q: A table can be deleted from the database by using the _____ TABLE command. Select one: a. MODIFY b.…

A: Drop function is used to delete the table from a database. Delete is used to delete a row from a…

Q: Which of the following SQL command can be used to modify existing data in a database table? a.…

A: UPDATE sql command is used to modify existing data in a database table

Q: Which of the following is false? a. You can use a query to retrieve specific information from a…

A: Explanation: One can use a query when a database has more than one table. It also possible to get…

Q: Identify the statement that will discard all the changes permanently after executing the below SQL…

A: Answer :-- ROLLBACK

Q: In PL/SQL, which of the following variable type is used to declare a record? %TYPE O %RECORDTYPE…

A: here have to determine in plsql which of the following variable type is used to declare a record.

Q: What Is A Savepoint Command? ii. What Are Pseudo-columns? iii. How Can You Use Pseudo Columns In…

A: Note: "since you have posted multiple questions and according to our guidelines we are authorized to…

Q: Which of the following commands can be used to eliminate the RECEPTIONIST role? (refer to the…

A: Option: D None of the above

Q: Which of the following objects connects a database to a DataSet object? a. BindingSource b. DataBase…

A: Object that is used to connect a database to a DataSet object is: The TableAdapter object is used…

Q: Which of the following do you use to check the number of rows affected by an UPDATE statement?…

A: Given:

Q: Which of the following LINQ statements selects all of the records in the tblStates table?a. Dim…

A: LINQ: LINQ stands for language integrated query which is used in various languages such as C#,…

Q: Which of the following types of restrictions can be viewed with the DESCRIBE command? ( refer to the…

A: Answer: NOT NULL constraint: 1.A column can hold NULL values by default. 2. The NOT NULL constraint…

Q: Which of the following creates a new table in a database and also copies the records into the new…

A: Required: Which of the following creates a new table in a database and also copies the records into…

Q: Which SQL statement will discard both update and delete operations after executing the below SQL…

A: Here the correct option is (d)

Q: Which of the following privileges allows a user to truncate tables in a database? a. DROP ANY…

A: TRUNCATE TABLE statement is used to remove all rows from existing table. It is used to delete…

Q: Which of the following is a valid table name? (refer to the tables in the JustLee Books database)a.…

A: Valid Table name: The "CREATE TABLE" command is used to create a table by specifying the table…

Q: Which of the following is a valid SQL command? ( refer to the tables in the JustLee Books database).…

A: ALTER TABLE books ADD CONSTRAINT UNIQUE (pubid); This is not a valid SQL command. Valid Syntax:…

Q: If an integer is multiplied by a NULL value, the result is: (refer to the tables in the JustLee…

A: If an integer is multiplied, added, or subtracted with an integer, the user can get an integer. But…

Q: Which of the following privileges allows a user to truncate tables in a database?

A: The privilege provided to truncate any kind of tables was not available in oracle 12c version. So…

Q: Which object in the data dictionary enables you to verify DEFAULT column settings?a.…

A: A data dictionary is an essential part of a database. It carries the data about the data that means…

Q: . Which of the following is not a valid statement? (refer to the tables in the JustLee Books…

A: Renaming the table: The “Rename” command is used to rename the table. Users can change the name of…

Q: Write a cron job that executes the command, sudo mysqldump --all-databases at 11:59 pm on Sunday…

A: You need to use the crontab command to edit/create, install, deinstall or list the cron jobs in…

Q: Which of the following statements assigns the role CUSTOMERREP as the default role for Maurice Cain?…

A: The correct statement to assign the role CUSTOMERREP as the default role for Maurice Cain is as…

Q: Which of the following statements retrieves data from the Friends database and stores it in the…

A: Which of the following statements retrieves data from the Friends database and stores it in the…

Q: Please make sure you put the sqljdbc driver file under /Web-INF/lib folder to test. This is required…

A: In relocatable unique segment, memory director in working framework moves the program, that is all…

Q: The SQL INSERT INTO statement allows adding multiple records in one

A: The given statement is True. Insert statement can be used to insert single row value or multiple…

Q: IN SQL Any user can create another user with the same privileges. Select one: a. True b. False

A: Asked: is any user can create another user with the same privileges?

Q: Which keyword is used to query data from the database? O EXTRACT EXPORT SELECT O INSERT INTO QUERY…

A: In order to read data or query a data from database we need to used SELECT statement. Syntax of…

Q: Which of the following statements are incorrect regarding SQL injection vulnerabilities? O a. The…

A: SQL injection is a vulnerability that causes data stealing from database.

Q: the SQL lite storage classes

A: Each value stored in an SQLite database (or manipulated by the database engine) has one of the…

Q: 1) Create a folder (directory) called "sqlite" (without the quotes) in your base drive (eg.…

A: In cmd 1. C:\>mkdir sqlite C:\sqlite> 2.sqlite>sqlite test.db 3. sqlite>create table…

Q: Which internal exception should always be used when specifically including a SELECT … INTO statement…

A: NO_DATA_FOUND- This exception is raised when a SELECT INTO statement returns no rows.

Q: page - The combo box values are loaded from salutation database table The radio buttons values are…

A: Please check the step 2 & 3 for solution

Q: Which of the following is a valid SQL statement? ( refer to the tables in the JustLee Books…

A: A valid statement is b. CREATE TABLE tablel (col1 NUMBER PRIMARY KEY, col2 VARCHAR2(20), col3…

Question

Which of the following functions can be used to substitute a value for a NULL value? (refer to the tables in the JustLee Books database.)
a. NVL
b. TRUNC
c. NVL2
d. SUBSTR
e. both a and d
f. both a and c

Organized collection of structured information, or data, typically stored in a computer system.

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

This is a popular solution!

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Trending now

This is a popular solution!

Step by step

Solved in 2 steps

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, computer-science and related others by exploring similar questions and additional content below.

Similar questions

Which of the following data dictionary objects should be used to view information about the constraints in a database? USER_TABLES USER_RULES USER_COLUMNS USER_CONSTRAINTS None of the above objects should be used.
q4) Which of the following is the correct definition of alias in SQL statement? a. It is a way of renaming a column heading in the output b. It specifies the table containing the columns listed in the SELECT clause c. It is a value that is unavailable, unassigned, unknown, or inapplicable d. It retrieves information from the database
. Which of the following is not a valid statement? (refer to the tables in the JustLee Books database) a. You can change the name of a table only if it doesn’t contain any data.b. You can change the length of a column that doesn’t contain any data.c. You can delete a column that doesn’t contain any data.d. You can add a column to a table.
Which of the following functions can be used to include NULL values in calculations? (refer to the tables in the JustLee Books database.)a. SUMb. NVLc. MAXd. MIN
Which of the following statements is true? (refer to the tables in the JustLee Books database.)a. The MIN function can be used only with numeric data.b. The MAX function can be used only with date values.c. The AVG function can be used only with numeric data.d. The SUM function can’t be part of a nested function.
The code shown below is designed to increment through each row in a database table. Correct the error in the code.For intRecordCount = 0 To datPeople.Rows.Count' Processing statementsNext
The data dictionary plays what function in the DBLC procedure?
Database Access Code Write the codethe best that you can to execute the following SQLstatement against a database. Your code should read thedata from the DB and print out all of the data. Thedatabase is an Access database, setup with an ODBCname of "AccountingDB'. Do the best you can, partialcredit will be given. Put your code in the main methodgiven below. [Hint: SQL will return all accounts from thedatabase.]SOL = "Select AcctNo, Owner, Balance fromAccounts"public static void main (String args[])
Which of the following is the correct definition of alias in SQL statement? a. It specifies the table containing the columns listed in the SELECT clause b. It retrieves information from the database c. It is a way of renaming a column heading in the output d. It is a value that is unavailable, unassigned, unknown, or inapplicable
If an integer is multiplied by a NULL value, the result is: (refer to the tables in the JustLee Books database.)a. an integerb. a whole numberc. a NULL valued. None of the above—a syntax error message is returned.
Which of the following SELECT statements returns 30 as the result? (refer to the tables in the JustLee Books database.)a. SELECT ROUND(24.37, 2) FROM dual;b. SELECT TRUNC(29.99, 2) FROM dual;c. SELECT ROUND(29.01, -1) FROM dual;d. SELECT TRUNC(29.99, -1) FROM dual;
Below is part of a Student database. The primary keys are highlighted in bold. Student (studNo, studName, address, mobileNo) Registration (studNo, courseNo, regDate, semester, session) Course (courseNo, courseName, creditHour, level) Project (projNo, projName, courseNo) Assignment (projectNo, studNo, startDate, dueDate, hoursSpent) QUESTION 1. Write a PL/SQL FUNCTION that calculates the cost each student has to pay for all courses taken. In the photo is example the cost detail for each course. 2. Write a PL/SQL Procedure to call the function you created in question 1 . Allow the user to enter the student ID (studno). SECOND PHOTO IS THE EXAMPLE OF EXPECTED OUTPUT