sabyda

Senior application developer
  • Skills: Java, Spring boot, React, Azure, AWS, Postgres, Oracle, Websphere, Angular, Blockchain, Corda

SQLServerCentral Article

Array and Custom Data Types in PostgreSQL

Introduction Just like every other database, PostgreSQL has its own set of basic datatypes, like Boolean, Varchar, Text, Date, Time, etc. We can easily store data like numbers, characters, date, time, etc. using these supported datatypes, but what if we need to store multiple data elements in a single column? Suppose we are storing the […]

5 (2)

2021-09-10

4,853 reads

SQLServerCentral Article

Conditional DELETE and INSERT in PostgreSQL

Introduction We are comfortable with inserting/deleting record(s) into/from a table. But we sometimes get confused when we need to insert or delete records conditionally from a table. Let us look at an example. Example scenario Suppose we have a table, called ALL_EMPLOYEES, which contains all employees' information who are working or had ever worked for […]

4.5 (2)

2021-06-18 (first published: )

5,427 reads

SQLServerCentral Article

Getting a Query Execution Plan in PostgreSQL

Introduction You often need to check the performance of a PostgreSQL query you just wrote to look for some way to improve performance. In order to do this, you need a report of the query execution, which is called the execution plan). The query execution plan gives you the entire summary of the query execution […]

5 (1)

2021-03-18

4,107 reads

SQLServerCentral Article

The CAST operator in PostgreSQL

Introduction Cast is a technique in PostgreSQL with which we can convert a value of one datatype into another. We can perform various cast operations in PostgreSQL for converting one datatype to another, such as the String datatype to the Integer datatype (or the Boolean datatype or datetime datatype) and vice versa. This article will […]

4.67 (3)

2021-01-21

27,023 reads

SQLServerCentral Article

Rules in PostgreSQL

We sometimes need to perform a different/alternative actions during database queries. We need it for data protection or data abstraction. The PostgreSQL rule system allows to define an alternative action on insert, update or delete. A rule generates an extra query. As a result, rule execution impacts the performance of the system. Creating Rules A […]

5 (3)

2020-12-03

4,631 reads

SQLServerCentral Article

Getting Started with Gremlin

Apache TinkerPop is an open source graph computing framework. A graph computing network is a set of vertices and edges in the network. If we compare a graph database to traditional relational databases, we can assume that every row in a table of a relational database is equivalent to a vertex in graph network. Similarly, […]

3.67 (3)

2020-10-15

3,429 reads

Blogs

Why You Need Presentation Skills

By

And no, the answer is not because you want to be a Microsoft MVP....

Daily Coping 29 Sep 2022

By

Today’s coping tip is to avoid saying “I should” and make time to do...

How to Calculate Compound Rate in Power BI

By

Recently I had an interesting use case where I had to a compound calculation...

Read the latest Blogs

Forums

Pay close attention to little details

By johnjonston

It is crucial for Wikipedia contributors to decide what they will cover in their...

Easy Guide on How to Fix QuickBooks Error 15271

By rimssen

Error code 15271in QuickBooks is common error of the 15x series. A QuickBooks Error...

Suhagra 100 | Online Treatment For Men

By buymygenerix

Now all men can solve the problem of erectile failure at the time of...

Visit the forum

Ask SSC Logo Ask SSC

SQL Server Q&A from the SQLServerCentral community

Get answers