In order to merge two or more strings, which string function is used?
CHAR
ALTER
CONCAT
MERGE
Correct Answer :
C. CONCAT
In order to merge two or more strings, CONCAT string function is used.
Related Questions
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
Using the SQL first() function, one can return the ____ value of the selected column.
First
Second
Third
Last
With which of the following statement(s) can the SQL sub queries be used?
SELECT
UPDATE
INSERT
All of the above
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 for Multi-line Comments.
//*Line1
Line2*//
/*Line1
Line2/*
What does the following statement do?
Finds any values that start with a and ends with o
Finds any values whose first character is a and third character is o
Both A. and B.
None of the above
Through which system, we can detect SQL Injection attacks?
Injection Detection System
Attack Detection System
Intrusion Detection System
None of the above
In order to convert the expression from one to another data type, which SQL Function is used?
CONVERT
CHANGE
CAST
TRANSIT
Types of SQL Commands are
DDL
DML
DCL
All of the above
What can be the maximum size of char(n) in SQL Server String Data Type?
7000
8000
9000
10000
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
Name of the control in SQL Script
Script
Owner
Opinion
All of the above
What does the INSERT INTO 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.
A new database will be created through this SQL statement.
In the database management system, this SQL statement deletes the existing database, together with all the database tables and views.
By executing this SQL statement, all records in the SQL database will be deleted.
What is the work of UPDATE 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.
Using this command, you can remove or erase recorded information from a database table.
Database data can be updated or changed using this command.
It enables you to create new databases, tables, table views, and other objects using this command.
What is the difference between nvarchar and ntext?
nvarchar is fixed and ntext is variable.
nvarchar is variable and ntext is fixed.
nvarchar can be of the maximum size upto 4000 characters and ntext can be of the maximum size upto 2GB of the text data.
nvarchar can be of the maximum size upto 4000 characters and ntext can be of the maximum size upto 1GB of the text data.
What does the CREATE DATABASE Statement do?
Columns in the SQL database can be created, deleted, or modified with this SQL statement.
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.
Primary keys can be contained in a table only ____?
Once
Twice
Thrice
None of the above
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.
What is the default length of any data type in the CAST function?
10
20
30
40
Name of the data type categories are,
String Data types
Numeric Data types
Date and time Data types
All of the above
____ and ____constraints form the core of the PRIMARY KEY constraint.
NOT NULL , CHECK
NOT NULL , DEFAULT
NOT NULL , FOREIGN KEY
NOT NULL , UNIQUE
Which of the following is TRUE about The Foundation Rule in the 12 Codd's Rules?
Relational databases are required.
Databases contain a wide variety of information, and each row and column of each table must hold this information.
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.
Which statement is used to select the database in SQL?
SELECT
USE
ALTER
CREATE
SQL EXCEPT clause is supported in
MySQL
PostgreSQL
Both A and B
None of the above
Select the correct method of Web SQL?
Execute SQL
Transaction
Open Database
All of the above
SQL contains which component in its process?
Optimization Engines
SQL Query Engines
Query Dispatchers
All of the above
For one table, there can be ____unique key constraint(s).
1
NULL
Many
None of the above
Numbers of operand used by Binary Operators are?
1
2
3
4
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 does the DELETE Statement do?
A new table in SQL is created using this SQL statement.
By deleting the stored data, this SQL statement deletes the database.
Columns in the SQL database can be created, deleted, or modified with this SQL statement.
By executing this SQL statement, you remove the table and all the information that it contains, including the structure, views, permissions, and triggers.