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4

Which of the following is TRUE about Savepoint command?

A. A transaction is marked in a table by this TCL command.

B. Imagine that you are making a long table, and you want to roll back only to a specific point in the table. You can do this with the savepoint.

C. In order to rollback part of a table rather than the entire table, a savepoint is useful.

D. All of the above

Correct Answer :

D. All of the above


Some of the points about Savepoint command are:
a) A transaction is marked in a table by this TCL command.
b) Imagine that you are making a long table, and you want to roll back only to a specific point in the table. You can do this with the savepoint.
c) In order to rollback part of a table rather than the entire table, a savepoint is useful.

Related Questions

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4

What does the INSERT INTO Statement do?

A. 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.

B. A new database will be created through this SQL statement.

C. In the database management system, this SQL statement deletes the existing database, together with all the database tables and views.

D. By executing this SQL statement, all records in the SQL database will be deleted.

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4

What is the default length of any data type in the CAST function?

A. 10

B. 20

C. 30

D. 40

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4

Unique Index is similar to

A. Primary Key

B. Foreign Key

C. Composite Key

D. Alternate Key

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4

What is TRUE about the Active/Dynamic Online Catalog based on the relational model in the 12 Codd's Rules?

A. 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.

B. Null values are treated in database records according to this rule.

C. Database dictionaries represent the complete logic of all descriptive data, which must be stored online.

D. None of the above

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4

SQL contains which component in its process?

A. Optimization Engines

B. SQL Query Engines

C. Query Dispatchers

D. All of the above

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4

Which of the following is TRUE about the type of SQL Injection attack?

A. Install malicious program

B. Export valuable data

C. Get user login detail

D. All of the above

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4

What will be the output of the below SQL statement?

A. 25

B. 26

C. 24

D. 20

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4

Select the correct statement about SQL Scripts?

A. At the run time, the SQL*Plus commands are ignored.

B. SQL Scripts and SQL Commands in the SQL Scripts have no interaction.

C. Through the SQL Script editor, SQL Commands are cut and pasted.

D. All of the above

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4

What is the difference between Column Level and Table Level Constraints?

A. Constraints are applied to a single row using Column Level Constraints whereas Multiple rows can be constrained using a Table Level Constraint.

B. Constraints are applied to multiple rows using Column Level Constraints whereas a single row can be constrained using a Table Level Constraint.

C. Constraints are applied to a single column using Column Level Constraints whereas Multiple columns can be constrained using a Table Level Constraint.

D. Constraints are applied to multiple columns using Column Level Constraints whereas only a single column can be constrained using a Table Level Constraint.

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4

What is TRUE about SAVEPOINT?

A. Following the completion of a transaction, it must be executed to save all the operations performed in the transaction.

B. A transaction can be rolled back to its last saved state.

C. A specific part of a transaction can be given a name

D. None of the above

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4

____ and ____constraints form the core of the PRIMARY KEY constraint.

A. NOT NULL , CHECK

B. NOT NULL , DEFAULT

C. NOT NULL , FOREIGN KEY

D. NOT NULL , UNIQUE

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4

SQL BETWEEN is a ______ operator.

A. Relational

B. Logical

C. Arithmetic

D. Assignment

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4

Savepoint command is used with _____ command.

A. Commit

B. Transaction

C. Rollback

D. None of the above

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4

Select the syntax of Single Line Comment.

A. .

B. !

C. --

D. #

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4

Which of the following is SQL Server Date and Time Data Type?

A. timestamp

B. sql_variant

C. real

D. text

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4

What is TRUE about NOT IN clause?

A. The result is purged of duplicates

B. Duplicate records are not removed

C. Performs column-by-column comparisons

D. None of the above

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4

Which of the statement is true?

A. The precedence-low operators are evaluated last in SQL.

B. The precedence-high operators are evaluated first in SQL.

C. Both A and B

D. None of the above

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4

Which of the following is TRUE about Pattern Matching in SQL?

A. In SQL, pattern matching is performed with LIKE clauses.

B. An SQL query usually begins with a LIKE clause before a WHERE clause

C. Using the LIKE clause in an SQL query, we compare the pattern in the query with the pattern present in a table.

D. All of the above

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4

Host-based IDS can be used to monitor

A. Web server logs

B. When something weird occurs

C. Both A) and B)

D. None of the above

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4

What is the difference between DELETE and TRUNCATE statements?

A. DELETE statement free up the space kept in check by the table whereas TRUNCATE statement does not free up the space kept in check by the table.

B. DELETE statement does not free up the space kept in check by the table whereas TRUNCATE statement free up the space kept in check by the table.

C. DELETE statement only deletes rows from the table whereas TRUNCATE statement can only delete columns from the table.

D. DELETE statement only deletes columns from the table whereas TRUNCATE statement can only delete rows from the table.

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4

In order to merge two or more strings, which string function is used?

A. CHAR

B. ALTER

C. CONCAT

D. MERGE

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4

Numbers of operand used by Binary Operators are?

A. 1

B. 2

C. 3

D. 4

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4

The ____ size of the result is shown by Script Quota.

A. Minimum

B. Maximum

C. Average

D. None of the above

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4

SQL Division operator divides the operand on the ____ side by the operand on the ____ side.

A. Left, Left

B. Right, Left

C. Left, Right

D. Right, Right

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4

Which of the following is SQL Server String Data Type?

A. ntext

B. binary(n)

C. varbinary

D. All of the above

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4

Which of the following is NOT the SQL Arithmetic Operator?

A. Addition

B. Subtraction

C. Unary

D. Modulus

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4

Using TIME_FORMAT() function, time can be retrieved in

A. 12-hour format

B. 24-hour format

C. Both A. and B.

D. None of the above

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4

When SELECT statements used to create Views contain ____ clauses, the views cannot be updated.

A. JOIN

B. HAVING

C. GROUP BY

D. All of the above

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4

LIKE clause can be used with

A. % operator

B. _ operator

C. NOT operator

D. All of the above

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4

Which function combines the two different columns?

A. ADD

B. MERGE

C. CONCAT

D. None of the above