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
Correct Answer :
D. All of the above
SQL Equal Operator (=), SQL Less Than Operator (<), and SQL Greater Than Operator (>) are all SQL Comparison Operators.
Related Questions
In the case of ____ Independence Rule, if using the SQL queries language to insert data into table's cells, the database must maintain integrity independence.
Interdependent
Intradependent
Integration
Integrity
To get a record from one table, which is not present in another table, we can use the clause
CONCAT
COPY
EXCEPT
ALTER
In the script field, script is found by entering the
Script Name
Script Number
Script ID
Script Symbol
Command that comes under DML is/are
ROLLBACK
GRANT
UPDATE
All of the above
SQL DELETE can be used to delete,
Rows
Database
View
All of the above
SQL Operator can be,
Unary
Binary
Both A and B
None of the above
SQL EXCEPT statement behaves similar to _____operator in mathematics.
Sum
Multiply
Minus
Divide
Which of the following is/are TRUE about DDL command?
Our data is stored in a table that is described by the schema, thus DDL commands deal with the schema.
With the DDL commands, any structural changes can be made to the table, including creation, deletion, and alteration.
Both A. and B.
None of the above
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
When the table is truncated:
Table structure is dropped
Integrity constraints are dropped
Relationship is dropped
None of the above
What is the difference between nchar and nvarchar?
nchar is fixed and nvarchar is variable.
nchar is variable and nvarchar is fixed.
nchar has the maximum size of 4000 characters and nvarchar has the maximum size of 8000 characters.
nchar has the maximum size of 800 characters and nvarchar has the maximum size of 4000 characters.
SQL Indexes slows the execution time of which statement(s)?
UPDATE
INSERT
SELECT
Both A and B
Name of the data type categories are,
String Data types
Numeric Data types
Date and time Data types
All of the above
SQL has the advantage of?
SQL require a lot of programming.
SQL provides High-Speed Query Processing.
SQL follows the standard languages of ANSI and ISO.
SQL is easily portable.
What is the difference between HAVING and WHERE clause?
HAVING clause is used in column operation whereas WHERE clause is used in row operation.
HAVING clause is post-filter whereas WHERE clause is pre-filter.
HAVING clause filters the groups whereas WHERE clauses filter the single record of the table.
All of the above
Select the correct syntax of SELECT TOP clause?
SELECT TOP name
SELECT TOP column
SELECT TOP FROM
SELECT TOP Number
With which of the following statement(s) can the SQL sub queries be used?
SELECT
UPDATE
INSERT
All of the above
Which of the following is among the 12 Codd's Rules?
View Updating Rule
Relational Level Operation Rule
Distribution Independence Rule
None of the above
An SQL ____ is a virtual table, whose contents are based on the SQL statement's results.
Concatenate
Virtual
View
None of the above
For integer value, which data type is supported in Oracle?
INT
Number
Digit
None of the above
Which of the following statement is TRUE?
Web API is the part of HTML5
Web API is not the part of HTML5
Web API is the part of HTML
Web API is the part of XHTML
What does AVG() function returns?
First value of the column
Last value of the column
Sum of rows of the table
Average value of the column
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
What does the DROP DATABASE Statement do?
The table, its structure, views, permissions, and triggers will also be deleted or removed with this SQL statement.
In the database management system, this SQL statement deletes the existing database, together with all the database tables and views.
A new database will be created through this SQL statement.
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.
In CRUD Operator, U is an acronym of
Upper
Unique
Update
Uppercase
ORDER BY clause comes ____ the EXCEPT clause in SQL statement?
Before
After
Flexible to before or after
None of the above
Which of the following statement is TRUE?
At run time, temporary tables can be created.
Temporary table can do similar operations to normal table.
Both A) and B)
None of the above
What is TRUE about UNION ALL Operator?
The results of both queries are combined with this operator.
After performing the UNION ALL operation, duplicate rows will not be removed.
Both A and B
None of the above
What is the full form of CTE in SQL?
Character Table Expressions
Character Table Evaluator
Common Table Evaluator
Common Table Expressions
Which statement is not true?
SQL is rational whereas No-SQL is non-rational.
SQL follows BASE Model whereas No-SQL follows ACID Model.
SQL database are vertically scalable whereas No-SQL database are horizontally scalable.
No-SQL databases are preferable to store hierarchical data in comparison SQL databases.