Using a WHERE clause in a SQL query is used to specify SQL reserved words and characters, known as ____?
Operators
Data Types
Numbers
Syntax
Correct Answer :
A. Operators
Using a WHERE clause in a SQL query is used to specify SQL reserved words and characters, known as Operators.
Related Questions
SQL CREATE DATABASE is used to,
Create a table
Create a database
Create a column
Create a row
Which of the following is TRUE about SQL Concatenate?
It is also possible to combine more than two strings into one string.
Two columns of the table may be used to store the strings that are to be combined, or they may just be stored individually without being stored into the table.
When the concatenated strings are stored in separate columns of a table, they are stored in the column in which they were initially stored.
All 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.
In order to insert a row directly in the table, which command is used?
INSERT IN
INSERT INSIDE
INSERT UNDER
INSERT INTO
Which of the following is not an SQL Statement?
SELECT Statement
UPDATE Statement
TRUNCATE TABLE Statement
FROM Statement
A Primary Key is basically a
Row
Column
Table
Database
What is the full form of BLOB?
Binary Long Objects
Binary Least Objects
Binary Large Objects
Binary Large Orientation
When two or more columns are combined to be used to uniquely identify each row in the table, it is known as -
Primary Key
Unique Key
Composite Key
Foreign Key
Which of the following is not MySQL String Data Type?
TEXT(Size)
TINYTEXT
MEDIUMTEXT
LARGETEXT
In order to execute a query in Web SQL, which function is used?
open()
translate()
transaction()
execute()
In order to sort the records according to the columns, which clause is used?
HAVING
GROUP BY
ORDER BY
None of the above
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.
SQL EXCEPT clause is supported in
MySQL
PostgreSQL
Both A and B
None of the above
Which of the following is NOT the SQL Arithmetic Operator?
Addition
Subtraction
Unary
Modulus
Savepoint command is used with _____ command.
Commit
Transaction
Rollback
None of the above
What is TRUE about NOT NULL Constraint?
In columns that are subject to the NOT NULL constraint, duplicate values are not allowed.
When a table's column is declared as NOT NULL, no record in the table can have an empty value for that column.
By applying the NOT NULL constraint, we will always ensure that the column contains a unique value and won't allow nulls.
The value will first be checked for certain conditions before inserting it into the column when a NOT NULL constraint applies to a column in the table.
Select the correct statement.
With the DDL commands, any structural changes can be made to the table, including creation, deletion, and alteration.
With the DML commands, any structural changes can be made to the table, including creation, deletion, and alteration.
With the DCL commands, any structural changes can be made to the table, including creation, deletion, and alteration.
With the TCL commands, any structural changes can be made to the table, including creation, deletion, and alteration.
What does the DROP INDEX Statement do?
By running this SQL statement, the transaction will be undone and the operations not yet saved to the SQL database will be undone.
The SQL database table's index is deleted using this SQL statement.
An index is created in a SQL database table with this SQL statement.
An existing SQL database is selected with this SQL statement. A database must be selected from several existing databases before you can perform operations on the table.
The Web SQL API is supported by
Opera
Google Chrome
Android Browsers
All of the above
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.
A single unit of work for all commands executed consecutively is known as-
Transaction
Commit
Rollback
Control
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
Which of the following statement is true?
SQL statements are used for most operations in a database.
Relational algebra and tuple relationship calculus are needed for SQL syntax.
All of the above
None of the above
What does SQL is used to perform operations on?
Update Records
Insert Records
Both A and B
None of the above
C in CRUD Operator means
To add or insert data
To retrieve or fetch data
To update the data
To delete the data
In SQL SELECT COUNT, one needs to specify the
Column Name
Row Name
Table Name
None of the above
SQL ___ can be used to delete or drop existing databases in a SQL schema.
CREATE DATABASE
RENAME DATABASE
DROP DATABASE
SELECT DATABASE
To connect strings, which function is used
CONNECT
ADD
COMBINE
CONCAT
Select the correct syntax for Multi-line Comments.
//*Line1
Line2*//
/*Line1
Line2/*
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