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Oracle Data Types and SQL Knowledge Quiz

10 Questions

6 Views

Oracle Data Types and SQL Knowledge Quiz

Created by

@FieryOctopus

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Questions and Answers

What does SQL stand for?

Structured Question Language

System Question Language

Structured Query Language (correct)

System Query Language

What is the maximum length for a CHAR data type in Oracle?

1024 characters

512 characters

255 characters (correct)

2000 characters

Which data type in Oracle is used to store large amount of character strings of variable length?

LONG (correct)

VARCHAR

NUMERIC

BLOB

What type of values can be stored using Numerical Data Type in Oracle?

Zero, negative and positive numerical values Signup and view all the answers

What is the maximum length for a VARCHAR/VARCHAR2 data type in Oracle?

2000 characters Signup and view all the answers

What is the maximum length for a LONG data type in Oracle?

2 GB Signup and view all the answers

Which data type in Oracle is used to store character strings of fixed length?

CHAR Signup and view all the answers

What type of values can be stored using Numerical Data Type in Oracle?

Zero, negative, and positive numerical values Signup and view all the answers

What is the default maximum length for a VARCHAR data type in Oracle?

2000 characters Signup and view all the answers

What is the range of numbers that can be stored using Numerical Data Type in Oracle?

1.0x10^-130 to 1.0x10^126 Signup and view all the answers

Study Notes

SQL Basics

SQL stands for Structured Query Language

Oracle Data Types

CHAR data type in Oracle has a maximum length of 2000 bytes
Character strings of variable length are stored using the VARCHAR/VARCHAR2 data type in Oracle
Numerical Data Type in Oracle stores numeric values, including integers, decimal numbers, and Floating-Point numbers
VARCHAR/VARCHAR2 data type in Oracle has a maximum length of 4000 bytes
LONG data type in Oracle has a maximum length of 2 GB
Character strings of fixed length are stored using the CHAR data type in Oracle
Numerical Data Type in Oracle stores whole numbers (integers) and fractional numbers (decimals and float)
The default maximum length for a VARCHAR data type in Oracle is 4000 bytes
Numerical Data Type in Oracle can store numbers ranging from -10^126 to 10^126

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Description

Test your knowledge of Structured Query Language (SQL) and the data types of Oracle in this quiz. Learn about numerical, character, date, and binary data types, and enhance your understanding of database management systems.