To unfold a bit on the other answers how to create table in pl SQL procedure. Yes, you must use dynamic SQL to produce a table or perform any other kind of DDL (data description language) operation in PL/ SQL. There are two commonly used methods to execute DDL from PL/ SQLFirst, “ roll your … Read more
What are databases and why do we need them? If you want to understand databases then don’t start with the features of database software. you need to go the other way. Databases are designed to solve a problem trying to understand what problems the database is solving. You have some data and therefore you need … Read more
Here are samples of Oracle SQL queries to exclude Saturday and Sunday using SQL Query. Suppose you’re querying a table to urge the info for a specific date range, and you would like to exclude the weekends. Below is an example. Exclude Weekends in Oracle SQL Using to_char(date, ‘DY’) Function The following SQL query will … Read more
Sum of odd numbers using for loop in pl/SQL. In this article, we will see how to write a PL/SQL program to get the sum of odd numbers using for loop in pl/SQL. Here you can check the query with output. Sum of first odd number = 1 and the Sum of first two odd … Read more
What is SQL Injection Attack? It is one of the most common and SQL dangerous methods hackers can use to attack websites using the SQL injection attack method. We’ll talk about how to execute and mitigate web application attacks such as SQL injection, command injection, and cross-site scripting. SQL is used to operate queries and … Read more
Why Do Relational Databases Use Primary Keys and Foreign Keys? The name says relational database. The database relationships can be defined with respect to key columns. These key columns can be identified based on cardinality. This is the reason why Relational Databases Use Primary Keys and Foreign Keys. Let us take an example of the … Read more
MySQL versus PostgreSQL versus SQL Server and TheTop 7 Features of SQL Database. Hey everyone in this article we’ll be discussing the three most popular relational databases MySQL vs PostgreSQL vs SQL server and the Top 7 Features of SQL Database. Here we share our delivery insights in the tech industry. MySQL is a definite … Read more
PL/SQL Program to Check Number is Odd or Even In this article, You will be able to understand how to write a PL/SQL Program to Check Number is Odd or Even. An even number may be a number that will be divided into two equal groups. An odd number must be a number that can’t … Read more