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Posts on tips and tricks, using and learning about SQL for database development and analysis.

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SQL Query Compilation

SQL Query Compilation

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1 min read
Parsing in Oracle SQL | Hard parsing | soft parsing.

Parsing in Oracle SQL | Hard parsing | soft parsing.

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3 min read
MERGE IN SQL

MERGE IN SQL

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SQL(Structured Query Language) Road Map for beginners

SQL(Structured Query Language) Road Map for beginners

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Setting Up Keycloak with MSSQL Server Using Docker

Setting Up Keycloak with MSSQL Server Using Docker

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Calculate the highest salary in each department in SQL

Calculate the highest salary in each department in SQL

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4 min read
ORM and encapsulation demystifying

ORM and encapsulation demystifying

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3 min read
BULK COLLECT | FORALL | SELECT INTO | FETCH & LIMIT |

BULK COLLECT | FORALL | SELECT INTO | FETCH & LIMIT |

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3 min read
Handling Data in SQL: Signed vs. Unsigned Types

Handling Data in SQL: Signed vs. Unsigned Types

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Use Transactions When Manually Accessing SQL Databases

Use Transactions When Manually Accessing SQL Databases

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3 min read
Query Optimization in PL/SQL

Query Optimization in PL/SQL

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4 min read
View with Join Condition in SQL

View with Join Condition in SQL

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My first CLI.

My first CLI.

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Troubleshooting PostgreSQL Low Free Memory

Troubleshooting PostgreSQL Low Free Memory

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11 min read
Exceptional Handling in PLSQL | Main Part

Exceptional Handling in PLSQL | Main Part

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SQL ain't that Scary

SQL ain't that Scary

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11 min read
Demystifying SQLMap: A Practical Guide to Web and SQL Injection Testing

Demystifying SQLMap: A Practical Guide to Web and SQL Injection Testing

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Named Calling Notations in PLSQL

Named Calling Notations in PLSQL

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Stored procedure in PLSQL

Stored procedure in PLSQL

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Materialized view in PLSQL

Materialized view in PLSQL

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PACKAGES in PLSQL in detail

PACKAGES in PLSQL in detail

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Database Interactions in Go: From SQL to NoSQL

Database Interactions in Go: From SQL to NoSQL

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5 min read
CURSOR in PLSQL | Best Explanation

CURSOR in PLSQL | Best Explanation

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3 min read
sql joins: moving in together

sql joins: moving in together

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3 min read
Personal Knowledge Graphs in AI RAG on user phone

Personal Knowledge Graphs in AI RAG on user phone

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9 min read
🚀 Boosting TPC-H Q2 Query Performance by 1000x times: PawSQL Optimization Techniques

🚀 Boosting TPC-H Q2 Query Performance by 1000x times: PawSQL Optimization Techniques

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Supabase | Seeding data: The Problem (ERROR: SQLSTATE 22021) and Solutions

Supabase | Seeding data: The Problem (ERROR: SQLSTATE 22021) and Solutions

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Virtual tables in SQL - Views, Materialized View, Global Temporary Table and Inline View

Virtual tables in SQL - Views, Materialized View, Global Temporary Table and Inline View

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ER Diagram + SQL: Online Shopping System Project

ER Diagram + SQL: Online Shopping System Project

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11 min read
GETTING STARTED WITH SQL AT LUX ACADEMY

GETTING STARTED WITH SQL AT LUX ACADEMY

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BULK COLLECT in PL/SQL

BULK COLLECT in PL/SQL

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%TYPE and %ROWTYPE Attributes in PLSQL

%TYPE and %ROWTYPE Attributes in PLSQL

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2 min read
Replace Duplicate Digits in Every 9-digit Number in a Text File with Non-duplicate Ones #eg52

Replace Duplicate Digits in Every 9-digit Number in a Text File with Non-duplicate Ones #eg52

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Dynamic SQL

Dynamic SQL

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SQL 101: Introduction to Structured Query Language

SQL 101: Introduction to Structured Query Language

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Difference between UNION and UNION ALL in SQL

Difference between UNION and UNION ALL in SQL

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Cursor in PLSQL - Best Explanation

Cursor in PLSQL - Best Explanation

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Masking in SQL | PART 1

Masking in SQL | PART 1

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Uma breve introdução ao Hibernate

Uma breve introdução ao Hibernate

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SQL 101: INTRODUCTION TO SQL FOR DATA ANALYTICS

SQL 101: INTRODUCTION TO SQL FOR DATA ANALYTICS

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4 min read
MySQL Basics: Understanding Isolation Level and Transaction Anomalies

MySQL Basics: Understanding Isolation Level and Transaction Anomalies

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Exception handling in PLSQL | Predefined and User Defined

Exception handling in PLSQL | Predefined and User Defined

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MySQL Basics: Understanding Join and Index with Examples

MySQL Basics: Understanding Join and Index with Examples

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5 min read
.NET8/EF8 - Exception: Microsoft.Data.SqlClient.SqlException (0x80131904): Incorrect syntax near '$

.NET8/EF8 - Exception: Microsoft.Data.SqlClient.SqlException (0x80131904): Incorrect syntax near '$

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4 min read
Discover the Power of SQL: Mastering the 'Biology Course Alumni Search' Project

Discover the Power of SQL: Mastering the 'Biology Course Alumni Search' Project

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How to Delete Duplicate Data from a MySQL Database

How to Delete Duplicate Data from a MySQL Database

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Aggregate Functions vs Window Functions in SQL

Aggregate Functions vs Window Functions in SQL

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Introduction to sql for data analytics.

Introduction to sql for data analytics.

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Why does SQLynx perform so well

Why does SQLynx perform so well

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Mastering SQL Temporal Tables for Effective Data Versioning

Mastering SQL Temporal Tables for Effective Data Versioning

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How to get several data count in a single query by applying conditions

How to get several data count in a single query by applying conditions

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RANK,ROW_NUMBER and DENSE_RANK

RANK,ROW_NUMBER and DENSE_RANK

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Inline View Method and the Correlated Subquery in SQL

Inline View Method and the Correlated Subquery in SQL

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Podman - Create A FHIR-Server & SQL Server

Podman - Create A FHIR-Server & SQL Server

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Comprehensive SQL Project: Mastering Database Manipulation

Comprehensive SQL Project: Mastering Database Manipulation

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7 SQL Concepts You Should Know as a Data Scientist?

7 SQL Concepts You Should Know as a Data Scientist?

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Exception Handling in PL/SQL| PRAGMA EXCEPTION_INIT | Part 3

Exception Handling in PL/SQL| PRAGMA EXCEPTION_INIT | Part 3

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Relational Database

Relational Database

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SQL Performance: A Deep Dive into Indexing with examples

SQL Performance: A Deep Dive into Indexing with examples

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PostgreSQL Insights: Understanding MVCC in Transactions

PostgreSQL Insights: Understanding MVCC in Transactions

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