1. Editing is the process of selecting, arranging and joining shots to create a meaningful film/video. Purposes: ⦿Creates continuity between shots. ⦿Removes unnecessary footage. ⦿Controls time and pace. ⦿Creates emotions and mood. ⦿Helps tell the story clearly. ⦿Creates meaning by combining different shots.
2. Basic Transitions & Meanings ⦿Cut: Immediate change from one shot to another. ⦿Fade: Image gradually appears/disappears. Usually shows beginning, ending or passage of time.
Worked for 36s
DBMS – Solved Answers
1. File Processing System vs DBMS
File Processing System DBMS
Data stored in separate files Data stored in an integrated database
High data redundancy Redundancy is controlled
Difficult data sharing Easy data sharing
Program–data dependence Program–data independence
Limited security Strong security and authorization
Difficult backup/recovery Provides backup and recovery
Poor concurrency control Supports concurrency control
Limitations of File Processing System:...
| File Processing System | DBMS |
|---|---|
| Data stored in separate files | Data stored in organized database |
| High data redundancy | Redundancy controlled |
| Data inconsistency possible | Better consistency |
| Difficult data sharing | Easy data sharing |
| Limited security | Better security |
| Difficult concurrent access | Concurrency control provided |
| Recovery is difficult | Backup and recovery supported |
| Integrity |
1. types of structural loads
a structural load is a force or action acting on a building that produces stress, strain, deformation or displacement. proper assessment of loads is essential because structural failure can occur when the load-carrying capacity of a structure is lower than the actual load acting on it. structural loads may produce compression, tension and shear. tos v unit 01 part i 2026
1. dead load
dead load is a permanent or stationary load acting throughout the life of the structure.
The relational model is a data model that represents a database as a collection of relations (tables).
Each relation consists of:
Rows → Tuples
Columns → Attributes
The relational model was proposed by E. F. Codd in 1970.
It is an implementation/representational data model.
MySQL
Oracle
PostgreSQL
SQL Server
STUDENT
+---------+---------+--------+
| Roll_No | Name | BranchIntegrity constraints are rules that maintain the correctness and consistency of data.
Uniquely identifies each row.
Cannot contain NULL.
Example:
CREATE TABLE Student (
RollNo INT PRIMARY KEY,
Name VARCHAR(30)
);
Ensures all values in a column are unique.
Generally allows NULL depending on DBMS.
Email VARCHAR(50) UNIQUE
Ensures a column must have a value.
SQL = Structured Query Language
SQL is used to communicate with a relational database.
It is used to:
Create tables
Insert data
Retrieve data
Update data
Delete data
Create views
Define constraints
Control access to data
The uploaded notes also describe SQL as supporting data definition, data manipulation, view definition, transaction control and authorization.
SQL commands are relatively easy to learn....
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