SQL became the standard of?
ASCII
ANSI
ISO
Both B and C
Correct Answer :
D. Both B and C
SQL became the standard of ANSI and ISO in the year 1986 and 1987 respectively.
Related Questions
In case the CTE is wrong, it goes into
Infinite Loop
Null State
False State
True State
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.
How MySQL determines which one to use, FLOAT or DOUBLE, using the p parameter?
If p comes between 0 to 25, data type becomes FLOAT(). If p comes between 26 to 54, data type becomes DOUBLE().
If p comes between 26 to 54, data type becomes FLOAT(). If p comes between 0 to 25, data type becomes DOUBLE().
If p comes between 25 to 53, data type becomes FLOAT(). If p comes between 0 to 24, data type becomes DOUBLE().
If p comes between 0 to 24, data type becomes FLOAT(). If p comes between 25 to 53, data type becomes DOUBLE().
Select the correct syntax for Multi-line Comments.
//*Line1
Line2*//
/*Line1
Line2/*
Which of the following statement is TRUE about SQL Injection?
SQL Injection is an Object Penetration Technique
SQL Injection is a Function Penetration Technique
SQL Injection is a Code Penetration Technique
SQL Injection is a Database Penetration Technique
Which function combines the two different columns?
ADD
MERGE
CONCAT
None of the above
The ____ size of the result is shown by Script Quota.
Minimum
Maximum
Average
None of the above
What is the work of DELETE command?
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.
Database data can be updated or changed using this command.
Database objects such as tables, table views, and other objects can be deleted using this command.
Using this command, you can remove or erase recorded information from a database table.
Through which system, we can detect SQL Injection attacks?
Injection Detection System
Attack Detection System
Intrusion Detection System
None of the above
Scripts ____ from various workspaces can be imported through import.
Exported
Imported
Changed
Saved
What is the difference between VARCHAR and VARCHAR2?
VARCHAR can store upto 4000 bytes and VARCHAR2 can store upto 8000 bytes.
VARCHAR can store upto 2000 bytes and VARCHAR2 can store upto 4000 bytes.
Both VARCHAR and VARCHAR2 are similar but use of VARCHAR2 is mostly recommended.
There is no similarity between VARCHAR and VARCHAR2.
SQL became the standard of?
ASCII
ANSI
ISO
Both B and C
Which of the following statement is correct?
Comparison Operator has higher precedence than Conjuction Operator.
Identity Operator has higher precedence than Multiplication Operator.
Both A and B
None of the above
ORDER BY clause comes ____ the EXCEPT clause in SQL statement?
Before
After
Flexible to before or after
None of the above
Which statement is used to select the database in SQL?
SELECT
USE
ALTER
CREATE
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
In the case of the ____ Independence Rule, It shouldn't make a difference what the user sees (application) if the logical structure changes.
Physical Data
Logical Data
Integrity
Distribution
To add a Primary Key constraint after table is created, which clause is used?
UPDATE
ADD
ALTER
JOIN
From the set of results, in order to remove the duplicate columns, ____ Clause is used.
DUPLICATE
DISTINCT
REMOVE
DROP
All other columns other than the column which is termed as Primary Key, are known as
Unique Keys
Alternate Keys
Composite Keys
None of the above
Which of the following constraints are TRUE to be put in Password system?
One uppercase character must be included in the password.
An eight-character minimum password is required.
At least one symbol must appear in the password.
All of the above
Select the correct constraint in SQL?
NOT NULL
CHECK
DEFAULT
All of the above
Which of the following statement is TRUE about DISTINCT Clause?
It cannot ignore the NULL values
It can ignore the NULL values
Its query can return multiple values
None of the above
Which statement is correct to remove an Index from MySQL Database?
DROP INDEX Index_Name;
ALTER TABLE Table_Name DROP INDEX Index_Name;
DROP INDEX Index_Name ON Table_Name;
DROP INDEX Table_Name.Index_Name;
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
What will be the output of the below SQL statement?
25
26
24
20
It is possible to retrieve time in a more readable format, using which function?
TIME
TIME_FORM
TIME_FORMAT
TIME & DATE
What is TRUE about the Active/Dynamic Online Catalog based on the relational model 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 dictionaries represent the complete logic of all descriptive data, which must be stored online.
None of the above
In order to join N tables, minimum number of join statements required is
N
N-1
N-2
N+1
Which of the following is not an SQL Statement?
SELECT Statement
UPDATE Statement
TRUNCATE TABLE Statement
FROM Statement