In case of ____Rule, the primary key value, table name, and column name are characteristics that allow us to access the precise data (atomic value) logically from a relational database.
Systematic Treatment of Null Values
Guaranteed Access
View Updating
Physical Data Independence
Correct Answer :
B. Guaranteed Access
In case of Guaranteed Access Rule, the primary key value, table name, and column name are characteristics that allow us to access the precise data (atomic value) logically from a relational database.
Related Questions
In order to assign a random name to a column or table, which SQL SELECT Clause is used?
FROM
WHERE
HAVING
AS
In order to join N tables, minimum number of join statements required is
N
N-1
N-2
N+1
What will be the output of the below SQL statement?
25
26
24
20
What does the DESCRIBE Statement do?
In this SQL statement, the data or records are inserted into an existing database table. One query statement can insert multiple records simultaneously using this statement.
By executing this SQL statement, all records in the SQL database will be deleted.
Specify the columns of the table in this SQL statement to return distinct values.
The data specified in this table or view is reported in this SQL statement.
It is possible to retrieve time in a more readable format, using which function?
TIME
TIME_FORM
TIME_FORMAT
TIME & DATE
Which clause is used to retrieve a unique element from the table?
SELECT UNIQUE
SELECT DISTINCT
Both A) and B)
None of the above
What is the work of CREATE command?
Using this command, you can remove or erase recorded information from a database table.
It enables you to create new databases, tables, table views, and other objects using this command.
Inserting records or data into the database tables is accomplished with this command. In addition to inserting records in single rows, we can insert records in multiple rows as well.
A single or multiple rows can be accessed using this command from one or more tables of a database. Using the WHERE clause with this command is also possible.
Which of the following statement(s) is/are TRUE about DCL?
The DCL commands in SQL allow us to control which users have access to the data stored in SQL tables.
There will be certain privileges that each user has; consequently, the data can be accessed by them.
The DCL commands in SQL allow us to grant privileges to a user on the SQL database and its table(s), or revoke privileges that have already been granted.
All of the above
Which statement is TRUE about the ORDER BY Clause?
In order to return the rows in a specific order, ORDER BY Clause is used.
In order to group the rows, ORDER BY Clause is used.
In order to select the defined groups, ORDER BY Clause is used.
None of the above
What is the difference between MIN and MAX function?
MIN function is used to show the minimum data and MAX function is used to show the maximum data.
MIN function is used to show the maximum data and MAX function is used to show the minimum data.
Both of the above
None of the above
What is TRUE about NOT IN clause?
The result is purged of duplicates
Duplicate records are not removed
Performs column-by-column comparisons
None of the above
In order to manage or store the data in the database, WEB SQL Database is used which is a
Web site
Web page
Web browser
None of the above
Which function returns the largest value of the column?
MIN()
MAX()
LARGE()
AVG()
Select the correct syntax for Multi-line Comments.
//*Line1
Line2*//
/*Line1
Line2/*
In order to merge two or more strings, which string function is used?
CHAR
ALTER
CONCAT
MERGE
TINYTEXT can hold the maximum length of ___ characters?
254
255
256
257
Which of the following is not the SQL Comparison Operator?
SQL Equal Operator (=)
SQL Less Than Operator (<)
SQL Greater Than Operator (>)
All of the above
In CRUD Operator, U is an acronym of
Upper
Unique
Update
Uppercase
Which of the following statement is false?
There is no difference between a lower case and upper case keyword in SQL.
It is easier to read SQL queries when the keywords are in lowercase.
An SQL statement's syntax is determined by its text line.
One or more SQL statements can be placed on a single line of text.
In case of ____Rule, the primary key value, table name, and column name are characteristics that allow us to access the precise data (atomic value) logically from a relational database.
Systematic Treatment of Null Values
Guaranteed Access
View Updating
Physical Data Independence
Transaction is able to control the following
Transaction
Commit
Rollback
All of the above
Using SQL SELECT RANDOM() function, one can return the random
Table
Database
Row
Column
What does the DROP TABLE Statement do?
The table, its structure, views, permissions, and triggers will also be deleted or removed with this SQL statement.
A new table in SQL is created using this SQL statement.
Columns in the SQL database can be created, deleted, or modified with this SQL statement.
A new database will be created through this SQL statement.
Select the correct syntax of SELECT TOP clause?
SELECT TOP name
SELECT TOP column
SELECT TOP FROM
SELECT TOP Number
SQL EXCEPT returns the record from -
First SELECT Query
Second SELECT Query
Third SELECT Query
None of the above
Which of the following is TRUE about Information Rule in the 12 Codd's Rules?
The primary key value, table name, and column name are characteristics that allow us to access the precise data (atomic value) logically from a relational database.
Null values are treated in database records according to this rule.
Database systems must update all views tables on a regular basis.
Databases contain a wide variety of information, and each row and column of each table must hold this information.
SELECT INTO statement -
Select the content from a table.
Rename the content in a table.
Copy the content from one table into another existing table.
None of the above
SQL Indexes slows the execution time of which statement(s)?
UPDATE
INSERT
SELECT
Both A and B
In how many categories data types has been classified?
2
3
4
5
Select the correct statement.
TRUNCATE TABLE is faster than DELETE TABLE statement.
TRUNCATE TABLE uses fewer resources than DELETE TABLE statement.
Both A) and B)
None of the above