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Structured Query a Language (SQL)

Nagaland Board · Class 12 · Computer Science

Flashcards for Structured Query a Language (SQL) — Nagaland Board Class 12 Computer Science. Quick Q&A cards covering key concepts, definitions, and formulas.

50 questions96 flashcards5 concepts

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A diagram illustrating how SQL interacts with various Relational Database Management Systems (RDBMS) like MySQL, Oracle, PostgreSQL, and SQL Server, showing SQL as the common language for data access
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96 Flashcards
Card 1Introduction to SQL

What is SQL?

Answer

SQL stands for Structured Query Language. It is used to create databases, define tables, insert data, update data, delete data, and retrieve information from relational databases.

Card 2SQL का परिचय

SQL क्या है?

Answer

SQL का अर्थ है स्ट्रक्चर्ड क्वेरी लैंग्वेज। इसका उपयोग डेटाबेस बनाने, टेबल परिभाषित करने, डेटा डालने आदि के लिए किया जाता है।update data, delete data, and retrieve information from relational database…

Card 3Introduction to SQL

Why is SQL considered easy to learn?

Answer

SQL is easy to learn as the statements comprise of descriptive English words and are not case sensitive.

Card 4SQL का परिचय

SQL को सीखना आसान क्यों माना जाता है?

Answer

SQL को सीखना आसान है क्योंकि कथनों में वर्णनात्मक अंग्रेजी शब्द शामिल हैं और वे केस संवेदनशील नहीं हैं।…

Card 5Introduction to SQL

What is the role of a query language in a database system?

Answer

A query language is used to access and manipulate data from a database without writing an application program for every task.

Card 6SQL का परिचय

डेटाबेस प्रणाली में क्वेरी भाषा की क्या भूमिका है?

Answer

प्रत्येक कार्य के लिए एक एप्लिकेशन प्रोग्राम लिखे बिना डेटाबेस से डेटा तक पहुंचने और उसमें हेरफेर करने के लिए एक क्वेरी भाषा का उपयोग किया जाता है।…

Card 7Data Types

What are the main data types used in MySQL in this chapter?

Answer

Common data types are CHAR, VARCHAR, INT, FLOAT, and DATE. CHAR and VARCHAR store strings, INT and FLOAT store numeric values, and DATE stores dates.

Card 8डेटा प्रकार

इस अध्याय में MySQL में उपयोग किए जाने वाले मुख्य डेटा प्रकार क्या हैं?

Answer

सामान्य डेटा प्रकार CHAR, VARCHAR, INT, FLOAT, और DATE हैं। CHAR और VARCHAR स्ट्रिंग को स्टोर करते हैं, INT और FLOAT संख्यात्मक मानों को स्टोर करते हैं, और DATE तारीखों को स्टोर करता है।…

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What are the important topics in Structured Query a Language (SQL) for Nagaland Board Class 12 Computer Science?
Structured Query a Language (SQL) covers several key topics that are frequently asked in Nagaland Board Class 12 board exams. Focus on the core concepts listed on this page and practise related questions to build confidence.
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Understand the core concepts first, then work through the 50 practice questions available for this chapter. Revise formulas and definitions regularly, and use flashcards for quick recall before the exam.
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