DEV Community

select * from SQL

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

Posts

👋 Sign in for the ability to sort posts by relevant, latest, or top.
How to pass an Array of Structs in Bigquery's parameterized queries

How to pass an Array of Structs in Bigquery's parameterized queries

9
Comments
3 min read
Dive into the World of SQL: Comprehensive Programming Resources for Beginners and Experts

Dive into the World of SQL: Comprehensive Programming Resources for Beginners and Experts

Comments
3 min read
DJ Databass

DJ Databass

Comments
4 min read
Associative Arrays in PL/SQL

Associative Arrays in PL/SQL

5
Comments
3 min read
Optimizing SQL Queries

Optimizing SQL Queries

2
Comments
5 min read
SQL and Database Design: A Detailed Exploration - Week Seven

SQL and Database Design: A Detailed Exploration - Week Seven

Comments
5 min read
VARRAY in PLSQL Functions | LIMIT | COUNT | EXTEND

VARRAY in PLSQL Functions | LIMIT | COUNT | EXTEND

5
Comments
2 min read
Core PHP CRUD Operations: A Beginner's Tutorial

Core PHP CRUD Operations: A Beginner's Tutorial

8
Comments
4 min read
Difference Between Varray and Nested Table in PLSQL

Difference Between Varray and Nested Table in PLSQL

1
Comments
2 min read
Join the Party: A Comprehensive Guide to SQL Joins with Examples

Join the Party: A Comprehensive Guide to SQL Joins with Examples

1
Comments
4 min read
Self Join in SQL | Best Explanation with Examples

Self Join in SQL | Best Explanation with Examples

6
Comments
5 min read
Materialized Views in SQL | Best Explanation

Materialized Views in SQL | Best Explanation

7
Comments
3 min read
This Single-Line Command Reduced Our Database Object Management Efforts

This Single-Line Command Reduced Our Database Object Management Efforts

Comments
5 min read
Difference between GROUP BY and DISTINCT in SQL

Difference between GROUP BY and DISTINCT in SQL

1
Comments
1 min read
RAISE_APPLICATION_ERROR and PRAGMA EXCEPTION_INIT in PLSQL EXCEPT HANDLING

RAISE_APPLICATION_ERROR and PRAGMA EXCEPTION_INIT in PLSQL EXCEPT HANDLING

6
Comments
3 min read
Materialized View in SQL

Materialized View in SQL

Comments
5 min read
How to Use the SQL Server ANY Keyword for Flexible Querying

How to Use the SQL Server ANY Keyword for Flexible Querying

Comments
5 min read
50x Faster Window Functions? PawSQL's Index Magic Revealed

50x Faster Window Functions? PawSQL's Index Magic Revealed

Comments
3 min read
Aggregate function & Windows functions

Aggregate function & Windows functions

1
Comments
2 min read
Relationships in databases

Relationships in databases

7
Comments
2 min read
Views in SQL

Views in SQL

12
Comments 1
1 min read
Mastering MySQL Aggregate Functions: Simplifying Data Analysis

Mastering MySQL Aggregate Functions: Simplifying Data Analysis

Comments
4 min read
Creating a backup table in ORACLE SQL

Creating a backup table in ORACLE SQL

6
Comments
1 min read
Bitmap Index in ORACLE SQL

Bitmap Index in ORACLE SQL

3
Comments
3 min read
B-tree index in ORACLE SQL

B-tree index in ORACLE SQL

Comments
2 min read
Data Analyst vs Business Analyst: Understanding the Key Differences and Required Skill Sets

Data Analyst vs Business Analyst: Understanding the Key Differences and Required Skill Sets

Comments
4 min read
SQL, in each group modify the null value of a specified column as its neighboring value #eg43

SQL, in each group modify the null value of a specified column as its neighboring value #eg43

7
Comments
1 min read
Sequence in SQL | PART 1

Sequence in SQL | PART 1

7
Comments
3 min read
How to send reports to different recipients based on the date

How to send reports to different recipients based on the date

Comments
2 min read
Indexing Operation flow structure in ORACLE SQL

Indexing Operation flow structure in ORACLE SQL

7
Comments
2 min read
Sequence in SQL | PART 2

Sequence in SQL | PART 2

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

SQL queries - Data Structures | Behind the scenes

8
Comments
4 min read
Partitioning in Oracle SQL

Partitioning in Oracle SQL

Comments
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.

12
Comments
7 min read
B-Tree Index and Bitmap Index in ORACLE SQL

B-Tree Index and Bitmap Index in ORACLE SQL

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

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

Comments
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

6
Comments 1
4 min read
Flask migration error

Flask migration error

Comments
1 min read
SQL 101: Introduction to Structured Query Language

SQL 101: Introduction to Structured Query Language

Comments 1
3 min read
SQL Categories - DDL, DML, DCL

SQL Categories - DDL, DML, DCL

8
Comments
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

6
Comments
2 min read
Oracle SQL - Cardinality & Cost

Oracle SQL - Cardinality & Cost

6
Comments
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

3
Comments
9 min read
Improving Performance of PostgreSQL queries

Improving Performance of PostgreSQL queries

133
Comments 15
4 min read
How to Secure PHP Applications from SQL Injection Attacks

How to Secure PHP Applications from SQL Injection Attacks

Comments
3 min read
Procedure overloading in PL/SQL

Procedure overloading in PL/SQL

5
Comments
2 min read
MERGE IN SQL

MERGE IN SQL

6
Comments 2
3 min read
How to create a read-only user in PostgreSQL

How to create a read-only user in PostgreSQL

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

Parsing in Oracle SQL | Hard parsing | soft parsing.

9
Comments
3 min read
SQL Query Compilation

SQL Query Compilation

Comments
1 min read
O que são Data Warehouses e o sistema OLAP

O que são Data Warehouses e o sistema OLAP

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

SQL(Structured Query Language) Road Map for beginners

6
Comments 2
2 min read
How to display an SQL query result in email body

How to display an SQL query result in email body

Comments
2 min read
ER Diagram + SQL: Online Shopping System Project

ER Diagram + SQL: Online Shopping System Project

1
Comments
11 min read
Inline View Method and the Correlated Subquery in SQL

Inline View Method and the Correlated Subquery in SQL

9
Comments
3 min read
Setting Up Keycloak with MSSQL Server Using Docker

Setting Up Keycloak with MSSQL Server Using Docker

Comments
2 min read
Calculate the highest salary in each department in SQL

Calculate the highest salary in each department in SQL

2
Comments
4 min read
ORM and encapsulation demystifying

ORM and encapsulation demystifying

1
Comments
3 min read
BULK COLLECT | FORALL | SELECT INTO | FETCH & LIMIT |

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

5
Comments
3 min read
Blog about Basics of SQL.

Blog about Basics of SQL.

Comments
2 min read
loading...