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Structured Query a Language (SQL) — Study Plan

Tripura Board · Class 12 · Computer Science

A step-by-step study plan for Structured Query a Language (SQL), Tripura Board Class 12 Computer Science: what to learn first, what to practise and when.

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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Study Plan

1
Day 1–2

Learn the Theory

Read the textbook chapter carefully. Note down definitions, formulas and key ideas. Focus on: 1. SQL Basics and Data Types, 2. Constraints and Keys, 3. DDL and Table Structure Commands.

2
Day 3

Practise

Solve the textbook exercises and extra practice questions. There are 50 questions available for this chapter.

3
Day 4

Revise & Test

Revise key points without looking at your notes. Take a practice quiz and mark weak areas for another pass.

4
Day 7

Spaced Revision

Come back to Structured Query a Language (SQL) after a week. Use flashcards for quick recall and try past exam questions on this chapter.

What to Focus On

  • SQL is a query language used with relational databases.
  • It is easy to learn because it uses descriptive English words.
  • SQL statements are case insensitive.
  • End every SQL statement with a semicolon.
  • SQL keywords do not depend on letter case.
  • Database and table names are case-sensitive in Linux.
  • CHAR is fixed-length.
  • VARCHAR is variable-length.
  • INT and FLOAT both occupy 4 bytes.

Common Mistakes to Avoid

SQL statements are case sensitive, so salary and SALARY are different in queries.

NULL means 0, so arithmetic with NULL should work like arithmetic with zero.

PRIMARY KEY only means unique, so NOT NULL is separate and not part of it.

Memory Tips

Meaning and power of SQL

SQL is not case sensitive for statements

Always end SQL statements with semicolon

Data types CHAR and VARCHAR

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Frequently Asked Questions

What are the important topics in Structured Query a Language (SQL) for Tripura Board Class 12 Computer Science?
Key topics in Structured Query a Language (SQL) include SQL Basics and Data Types, Constraints and Keys, DDL and Table Structure Commands, DML: INSERT, UPDATE, DELETE. Study these first, then practise questions on each for the Tripura Board Class 12 board exam.
How should I revise Structured Query a Language (SQL) for the Tripura Board Class 12 board exam?
Learn the core ideas first, then work through the 50 practice questions on Structured Query a Language (SQL). Revise definitions regularly and use flashcards for quick recall before the exam.

Sources & Official References

Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.

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