📰 Dev.to · s mathavi
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Dev.to · s mathavi
2mo ago
PostgreSQL(Alternations)
-ALTER TABLE → modify existing table structure. -Operations: add/drop column, change datatype, rename...
Dev.to · s mathavi
2mo ago
PostgreSql(Filtering & Sorting)
Filtering (WHERE clause) Filtering means → only certain rows are selected based on a...
Dev.to · s mathavi
2mo ago
PostgreSql(Aggregative Functions)
Aggregative Function: Aggregate functions perform calculations on multiple rows and return a single...
Dev.to · s mathavi
2mo ago
PostgreSQL-constraints
Constraints: Constraints are the backbone of reliable database design. They act like safety checks,...
Dev.to · s mathavi
2mo ago
PostgreSql - Relationships(joins)
How to connect Two Database in innerjoin? 1.Most Important step is Create Extension. CREATE...
Dev.to · s mathavi
2mo ago
postgreSQL - CRUD
why postgreSQL? PostgreSQL is popular because it offers enterprise‑grade reliability, modern...
Dev.to · s mathavi
3mo ago
Part-4 Functional Interface(Supplier)
Supplier: A functional interface in java.util.function. Represents a value provider: it returns a...
Dev.to · s mathavi
3mo ago
Part-4 Functional Interface(Function)
Function: A functional interface in java.util.function. Represents a transformation: takes an input...
Dev.to · s mathavi
3mo ago
Part-3 Functional Interface (Consumer)
Consumer: Consumer is an interface in java. A functional interface in...
Dev.to · s mathavi
10mo ago
Inside the JVM House: Meet the Language Cousins
What is JVM? -JVM = Java Virtual Machine -It runs Java and other JVM languages (like Kotlin,...
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