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

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Indexing Operation flow structure in ORACLE SQL

Indexing Operation flow structure in ORACLE SQL

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2 min read
Sequence in SQL | PART 2

Sequence in SQL | PART 2

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3 min read
SQL queries - Data Structures | Behind the scenes

SQL queries - Data Structures | Behind the scenes

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4 min read
Partitioning in Oracle SQL

Partitioning in Oracle SQL

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2 min read
AWS re:Invent 2024 - Which sessions I'll try to attend.

AWS re:Invent 2024 - Which sessions I'll try to attend.

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7 min read
B-Tree Index and Bitmap Index in ORACLE SQL

B-Tree Index and Bitmap Index in ORACLE SQL

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2 min read
How We Build User Search at Outside: A Case Study in Database Indexing

How We Build User Search at Outside: A Case Study in Database Indexing

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4 min read
Unlock Your Database Skills: 'Add Student Personal Information' Project

Unlock Your Database Skills: 'Add Student Personal Information' Project

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2 min read
Flask migration error

Flask migration error

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1 min read
SQL 101: Introduction to Structured Query Language

SQL 101: Introduction to Structured Query Language

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SQL Categories - DDL, DML, DCL

SQL Categories - DDL, DML, DCL

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1 min read
Get the whole group where at least one member meets the specified condition #eg36

Get the whole group where at least one member meets the specified condition #eg36

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Oracle SQL - Cardinality & Cost

Oracle SQL - Cardinality & Cost

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2 min read
PostgreSQL Semi Join, Unique-ify RHS, Materialized CTEs, and Rows Estimation

PostgreSQL Semi Join, Unique-ify RHS, Materialized CTEs, and Rows Estimation

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9 min read
Improving Performance of PostgreSQL queries

Improving Performance of PostgreSQL queries

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4 min read
How to Secure PHP Applications from SQL Injection Attacks

How to Secure PHP Applications from SQL Injection Attacks

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3 min read
Procedure overloading in PL/SQL

Procedure overloading in PL/SQL

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MERGE IN SQL

MERGE IN SQL

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How to create a read-only user in PostgreSQL

How to create a read-only user in PostgreSQL

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Parsing in Oracle SQL | Hard parsing | soft parsing.

Parsing in Oracle SQL | Hard parsing | soft parsing.

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3 min read
SQL Query Compilation

SQL Query Compilation

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1 min read
O que sĂŁo Data Warehouses e o sistema OLAP

O que sĂŁo Data Warehouses e o sistema OLAP

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3 min read
SQL(Structured Query Language) Road Map for beginners

SQL(Structured Query Language) Road Map for beginners

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How to display an SQL query result in email body

How to display an SQL query result in email body

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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
Inline View Method and the Correlated Subquery in SQL

Inline View Method and the Correlated Subquery in SQL

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Setting Up Keycloak with MSSQL Server Using Docker

Setting Up Keycloak with MSSQL Server Using Docker

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

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

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3 min read
Blog about Basics of SQL.

Blog about Basics of SQL.

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2 min read
Query Optimization in PL/SQL

Query Optimization in PL/SQL

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4 min read
Optimizing Docker for High Security: Combining Docker and SafeLine

Optimizing Docker for High Security: Combining Docker and SafeLine

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3 min read
How to Secure Your Web Apps: A Free and Powerful WAF

How to Secure Your Web Apps: A Free and Powerful WAF

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Normalisation in SQL

Normalisation in SQL

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View with Join Condition in SQL

View with Join Condition in SQL

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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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Exceptional Handling in PLSQL | Main Part

Exceptional Handling in PLSQL | Main Part

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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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Parse a csv file where field values are enclosed by quotation marks and contain carriage return #eg35

Parse a csv file where field values are enclosed by quotation marks and contain carriage return #eg35

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1 min read
Named Calling Notations in PLSQL

Named Calling Notations in PLSQL

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Text to IRIS SQL with LangChain

Text to IRIS SQL with LangChain

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18 min read
Stored procedure in PLSQL

Stored procedure in PLSQL

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3 min read
Database Interactions in Go: From SQL to NoSQL

Database Interactions in Go: From SQL to NoSQL

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5 min read
supabase functions (not edge)

supabase functions (not edge)

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7 min read
SQL window functions with examples

SQL window functions with examples

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3 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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4 min read
Supabase | Seeding data: The Problem (ERROR: SQLSTATE 22021) and Solutions

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

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Indexes in SQL | Clustered and Non-Clustered Index

Indexes in SQL | Clustered and Non-Clustered Index

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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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1 min read
"SQL 101: Introduction to Structured Query Language."

"SQL 101: Introduction to Structured Query Language."

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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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2 min read
Improve Your PL/pgSQL Performance: Identifying and Resolving Common Bottlenecks

Improve Your PL/pgSQL Performance: Identifying and Resolving Common Bottlenecks

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Reverse Rows in a Text File #eg51

Reverse Rows in a Text File #eg51

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Functions in PL/SQL

Functions in PL/SQL

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Procedure in PLSQL

Procedure in PLSQL

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Primary Key and Foreign Key in SQL | Part 2

Primary Key and Foreign Key in SQL | Part 2

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3 min read
EXECUTE IMMEDIATE in PL/SQL

EXECUTE IMMEDIATE in PL/SQL

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Masking in SQL | PART 2

Masking in SQL | PART 2

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Dynamic SQL

Dynamic SQL

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