Questions and Answers
What does SQL stand for?
What is the maximum length for a CHAR data type in Oracle?
Which data type in Oracle is used to store large amount of character strings of variable length?
What type of values can be stored using Numerical Data Type in Oracle?
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What is the maximum length for a VARCHAR/VARCHAR2 data type in Oracle?
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What is the maximum length for a LONG data type in Oracle?
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Which data type in Oracle is used to store character strings of fixed length?
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What type of values can be stored using Numerical Data Type in Oracle?
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What is the default maximum length for a VARCHAR data type in Oracle?
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What is the range of numbers that can be stored using Numerical Data Type in Oracle?
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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.