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Cognizant
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posted on 10 Aug 2024
Content Projection is a technique used in Angular to insert dynamic content into a component template.
Content Projection allows for the insertion of HTML elements or components into a component's template from the outside.
It is commonly used in Angular for creating reusable components with dynamic content.
ng-content directive is used to define insertion points within a component's template.
Example:
Value types store data directly, while reference types store a reference to the data's memory location.
Value types are stored on the stack, while reference types are stored on the heap.
Value types include simple types like int, float, and struct, while reference types include classes, interfaces, and arrays.
When passing a value type to a method, a copy of the data is passed, while passing a reference type passes a refe...
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Cognizant interview questions for designations
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Business requirements define the overall goals and objectives of a project, while functional requirements specify the specific features and functionalities that the system must have to meet those goals.
Business requirements focus on the 'what' and 'why' of a project, while functional requirements focus on the 'how'.
Business requirements are high-level and non-technical, while functional requirements are detailed and te...
Delete removes specific rows while truncate removes all rows from a table.
Delete is a DML operation while truncate is a DDL operation.
Delete can be rolled back while truncate cannot be rolled back.
Delete operation is slower than truncate operation.
Delete operation frees up space in the transaction log while truncate does not.
Example: DELETE FROM table_name WHERE condition; TRUNCATE TABLE table_name;
Truncate and Delete are SQL commands used to remove data from a table.
Truncate is a DDL (Data Definition Language) command used to remove all data from a table.
Delete is a DML (Data Manipulation Language) command used to remove specific rows from a table.
Truncate is faster than Delete as it does not log individual row deletions.
Truncate cannot be rolled back, while Delete can be rolled back using a transaction.
Truncate...
I applied via Naukri.com and was interviewed before Apr 2023. There was 1 interview round.
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