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What are the Aggregate Functions in Oracle?
Aggregate Functions in Oracle
One of the most important tasks for generating insights while working with databases is summarising data, and aggregate functions are your...
What is the use of Self Join in Oracle with an example?
Self Join in Oracle
Joining a table to itself is known as a self-join. By assigning table aliases, the same table appears twice in the...
What is an Inner Join in Oracle? With Examples
Inner Join in Oracle
Using concepts like normalisation, information is arranged into distinct tables in relational databases to minimise duplication and enhance data integrity. This...
What is the EXTRACT Function in Oracle?
EXTRACT Function
To extract particular elements from a date, timestamp, or interval value like the year, month, day, hour, minute, or second use Oracle SQL's...
What are the Date Types in Oracle?
Date Types in Oracle
Oracle has strong date-formatting, date-calculation, and storage features. Dates contain special features and are a basic data type, like VARCHAR2 and...
How to Handle NULL in Oracle SQL? & What is NULL Handling?
NULL in Oracle
In Oracle, NULL values are different from zero or an empty string because they indicate missing, unknown, or irrelevant data. For precise...
How do you Create a Calculation in Oracle Analytics?
Calculation in Oracle
Numerous numeric functions that accept numeric input and reliably return numeric values are available in the Oracle Database. These functions are essential...
How to Replace a String with another String in Oracle?
String in Oracle
Variable-length strings (VARCHAR2) and fixed-length strings (CHAR) are the two main character datatypes that Oracle offers. When you enter a number that...
What is ORDER BY clause in Oracle?
ORDER BY clause in Oracle
In Oracle SQL, sorting query results is a basic feature that may be accomplished with the ORDER BY clause. By...
What is a Logical Operator in Oracle?
Logical Operator in Oracle
To create a single result from two component conditions or to reverse the result of a single condition, logical operators are...
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