String Function

Duration: 9 min

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Module outline

  1. Quantitative Aptitude: Ratio and Proportion (Ratios), Data Interpretation, Mixture and Alligation, Permutation and Combination, Number System, Sequence and Series (Series), Speed Time and Distance, Speed Mathematics and Basic Mathematics, Algebra, Percentage, Profit and Loss, Simple Interest and Compound Interest, Powers and Exponents (Surds and Indices), Time and Work, Mensuration and Geometry, Partnership
  2. Reasoning Ability: Series (Number and Letter Series) (Numerical Relations and Reasoning), Coding Decoding, Data Sufficiency, Seating Arrangements, Deductive and Inductive Reasoning (Logical Deduction and Induction) (Prepositional Reasoning), Directions (Direction Test), Ranking, Order and Sequence, Syllogisms, Blood Relations, Puzzle Solving (Puzzles), Inequality, Machine Input-Output
  3. English Language: Vocabulary, Noun, Subject Verb Agreement (Verb Noun Agreement), Adjectives, Tenses, Comprehension / Reading Comprehension / Unseen Passages (Critical Reasoning) (Paragraph Questions), Cloze Test (Cloze Passage), Sentence Correction (Error Correction), Sentence Completion (Fill in the blanks), Sentence Re-arrangements (Para Jumbles) (Narrative Sequencing), Sentence Construction, Pronoun, Preposition, Conjunction, Adverb, Verb, Modals, Articles, Determiner, Interjection
  4. General Awareness: Evolution of Indian Banking (Banking & Financial Awareness), GK- Current Affairs, Static General Knowledge, Indian Economy
  5. C Concepts + MCQs (IT Specialist): C Programming by Yash Sir, C Language Core
  6. Java (IT Specialist): Java
  7. Python (IT Specialist): Python for Placements by Yash Sir, Python Basics
  8. OOPs (IT Specialist): Object Oriented Programming (OOPS)
  9. DBMS (IT Specialist): Basics of DBMS, ER Diagram, Relational Model & Functional Dependencies, Keys & Integrity Constraints, Normalization (1NF - BCNF), Decomposition Properties & 4NF, File Organization & Indexing, Relational Algebra, Relational Calculus, Transaction Management, Concurrency Control, Database Recovery, ORDBMS, Database Security & Authorization, Query Processing & Optimization, Enhanced Data Models, Data Warehousing & Mining, Big Data Systems, NoSQL
  10. SQL (IT Specialist): SQL
  11. Software Engineering (IT Specialist): Fundamentals of Software Engineering, Software Requirements and Quality Assurance, Software Design, Estimation and Metrics, Software Testing, Software Maintenance and Configuration Management
  12. Data Structure (IT Specialist): Introduction to DS, Array, Stack, Queue, Linked List, Tree, Graphs, Hashing
  13. Operating System (IT Specialist): Introduction to OS, Process Management, CPU Scheduling, Process Synchronization, Deadlock, Threads & Process Creation, Memory Management, Virtual Memory, Disc Scheduling, File Management, Windows OS, Linux OS, Security, Distributed Systems, Virtual Machines
  14. Compiler Design (IT Specialist): Intro to Compilers, Lexical Analysis, Grammar & CFG, Syntax Analysis: Top-Down, Syntax Analysis: Bottom-Up, Semantic Analysis & SDT, Intermediate Code Gen, Code Optimization, Run Time Environment
  15. Computer Architecture (IT Specialist): Basics of COA, Floating Point Rep, Cache Memory Organization, Input Output Organisation, Pipelining, Instr Formats & Modes, Control Unit Design, Register Transfer and Microoperations, Multiprocessors, Programming the Basic Computer
  16. Data Communication & Networking (IT Specialist): Introduction to CN, Data Communication, DLL: Access Control, DLL: Flow Control, DLL: Error Control, DLL: Framing, Data Link Layer - Ethernet, Net Layer: IPv4 & Proto, Net Layer: IP Addressing, Net Layer:Routing Protocol, Transport Layer Services, TL: Congestion & UDP, Application Layer, Hardware basics, Network Security
  17. Descriptive Test (Main Exam): English Writing Ability
AI summary & chapters

AI Summary

An AI-generated summary of this video lecture.

This video provides a comprehensive tutorial on SQL string functions, focusing on case conversion, length measurement, extraction, search, and formatting. The instructor systematically explains functions like UPPER() and LOWER() with practical examples using a 'Student' table. The lesson then transitions to functions for measuring string length, such as CHAR_LENGTH() and LENGTH(), highlighting the difference between character and byte counts. Further, it covers string manipulation functions including CONCAT() for combining strings, SUBSTRING() for extraction, REPLACE() for text replacement, and INSTR() for locating character positions. The final segment introduces trimming functions (TRIM, LTRIM, RTRIM) and string reversal (REVERSE), along with LEFT() and RIGHT() for grabbing substring portions. The instructor uses clear syntax examples and visual annotations to reinforce learning.

Chapters

  1. 0:00 – 2:00 00:00-02:00

    The instructor introduces SQL string functions, emphasizing their importance in data cleaning and report generation. The first segment focuses on case conversion, explaining UPPER() and LOWER() functions with examples using a 'Student' table. The instructor demonstrates how to convert text to uppercase or lowercase, showing the syntax and results for a sample name column.

  2. 2:00 – 5:00 02:00-05:00

    The lesson shifts to string length and measurement functions. The instructor explains the difference between CHAR_LENGTH() and LENGTH(), using the example of the character 'e' to illustrate that special characters can occupy more than one byte. The segment then introduces the CONCAT() function for combining strings, with examples of concatenating first and last names, and multiple strings together.

  3. 5:00 – 9:17 05:00-09:17

    The instructor covers extraction and search functions, including SUBSTRING() for extracting portions of a string, REPLACE() for replacing text, and INSTR() for finding character positions. The final part of the lesson introduces trimming functions (TRIM, LTRIM, RTRIM) for removing unwanted spaces, the REVERSE() function for string reversal, and LEFT() and RIGHT() for grabbing characters from the start or end of a string. The instructor uses consistent examples and visual annotations to reinforce understanding.

The video systematically teaches SQL string functions, progressing from basic case conversion to advanced text manipulation. It emphasizes practical application through clear examples and visual aids, making it an effective resource for learners to understand and apply these functions in real-world database scenarios.

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