by Team AHT | Jun 2, 2024 | SQL
Date and Time manipulation in Oracle SQL In Oracle SQL, date and time manipulation is essential for many database operations, ranging from basic date arithmetic to complex formatting and extraction. Here’s a guide covering various common operations you might... by Team AHT | May 14, 2024 | Python
The input() function in Python is primarily used to take input from the user through the command line. While its most common use is to receive text input, it can be used creatively for various purposes. The input() function in Python The input() function in Python is... by Team AHT | May 12, 2024 | Python
Python Programming Strings Interview Questions Write a Python program to remove a Specific character from string? Here’s a Python program to remove a specific character from a string: def remove_char(text, char): “”” Removes a specific... by Team AHT | May 11, 2024 | SAS
In SAS, the DATEPART() and TIMEPART() functions are used to extract the date and time parts from datetime values, respectively. Here’s how each function works: 1. DATEPART(): The DATEPART() function extracts the date part from a datetime value and returns it as... by Team AHT | May 8, 2024 | Python
There is a simple way- You can use the calendar module in Python to create a calendar for the current year. But it defeats the purpose – of getting your hands dirty by writing big lengthy Python Code. But anyway i am adding it here:- You can use the calendar... by Team AHT | May 2, 2024 | Python
What is Dictionary in Python? First of All it is not sequential like Lists. It is a non-sequential, unordered, redundant and mutable collection as key:value pairs. Keys are always unique but values need not be unique. You use the key to access the corresponding value.... by Team AHT | Apr 30, 2024 | SAS
here’s a table summarizing some common SAS List Date functions with their syntax and examples: Here’s a breakdown of some key categories with representative functions, syntax, and examples: 1. Retrieving... by Team AHT | Apr 30, 2024 | SAS
by Team AHT | Apr 29, 2024 | SAS
In SAS, the FIRST. and LAST. automatic variables are used within a DATA step to identify the first and last occurrences of observations within a BY group. These variables are particularly useful when working with sorted data or when you need to perform specific... by Team AHT | Apr 29, 2024 | SAS
1. PROC PRINT: Syntax: PROC PRINT [DATA=dataset_name] [VAR variables]; Use: Prints the contents of a SAS dataset in a tabular format. You can specify a subset of variables to print using the VAR option. 2. PROC SORT: Syntax: PROC SORT DATA=dataset_name... by Team AHT | Apr 29, 2024 | SAS
The Program Data Vector (PDV) is a critical concept in SAS programming, particularly in the context of the DATA step. It represents the current state of data processing during the execution of a DATA step. Let’s delve into how the SAS PDV works in detail: 1.... by Team AHT | Apr 29, 2024 | SAS
SAS: Reading and Writing Data – Important Points and Interview Q&A Important Points: Reading Data: SAS offers various tools to read data from different sources: SAS datasets (.sas7bdat): Use the SET statement to read existing SAS datasets. CSV files: Use... by Team AHT | Apr 28, 2024 | Python
Welcome to the ultimate guide for mastering data analysis with Python Pandas! Whether you’re new to Pandas or looking to level up your skills, this interactive tutorial will cover everything you need to know to become proficient in data manipulation and analysis... by Team AHT | Apr 27, 2024 | Python
What is List? Lists are a fundamental data structure in Python used to store collections of items. They are ordered, meaning elements have a defined sequence, and mutable, allowing you to modify their contents after creation. They are denoted by square brackets [ ],... by Team AHT | Apr 15, 2024 | SQL
What is database structure? A database structure is the blueprint that defines how data is arranged ,organized, stored, accessed, and managed within a database. It’s the underlying framework that ensures efficient data handling, minimizes redundancy, and... by Team AHT | Apr 15, 2024 | SQL
CRUD stands for Create, Read, Update, and Delete. It’s a set of basic operations that are essential for managing data in a database or any persistent storage system. It refers to the four basic functions that any persistent storage application needs to perform.... by Team AHT | Apr 15, 2024 | SQL
SQL (Structured Query Language) supports various data types to represent different kinds of data. These data types define the format and constraints of the data stored in each column of a table. Here are some common SQL data types: Numeric Types: INT: Integer type,... by Team AHT | Apr 15, 2024 | SQL
In this BlogPost we would like to define Most Basic Terms in SQL:- What is SQL, Data Database, DBMS , RDBMS. What is SQL? SQL is a language used for relational databases to query or get data out of a database. SQL is also referred to as SQL and is short for its... by Team AHT | Apr 13, 2024 | Python
Python control flow statements are constructs used to control the flow of execution within a Python program. Python control flow statements are powerful tools that dictate how your program executes. They allow your code to make decisions, repeat tasks conditionally,... by Team AHT | Apr 13, 2024 | Python
Functions in Python- Definition Functions in Python are blocks of code that perform a specific task, and they can be defined using the def keyword. Function template def function_name(input_varibales, …): processing return output_value_or_exppression... by Team AHT | Apr 11, 2024 | Python
In Python, data types define the type of data that can be stored in variables. Here are the main data types in Python: 1. Numeric Types: int: Integer values (e.g., 5, -3, 1000) float: Floating-point values (e.g., 3.14, -0.001, 2.0) 2. Sequence Types: str: Strings,... by Team AHT | Apr 11, 2024 | Python
Python syntax refers to the rules and conventions that dictate how Python code is written and structured. Here are some fundamental aspects of Python syntax: Statements and Indentation: Python uses indentation to define blocks of code, such as loops, conditionals, and... by Team AHT | Apr 11, 2024 | Python
Python is a popular high-level, interpreted programming language known for its readability and ease of use. Python was invented by Guido Van Rossum and it was first released in February, 1991. The name python is inspired from Monte Python Flying Circus, since circus... by Team AHT | Apr 8, 2024 | SQL
Indexing in SQL is a technique used to improve the performance of queries by creating special data structures (indexes) that allow for faster data retrieval. Indexes are created on one or more columns of a table, and they store the values of those columns in a sorted... by Team AHT | Apr 7, 2024 | SQL
LIKE Operator: The LIKE operator is used to search for a specified pattern in a column. It allows the use of wildcards: % (percent sign): Matches zero or more characters. _ (underscore): Matches any single character. Examples: SELECT * FROM employees WHERE last_name... by Team AHT | Apr 7, 2024 | SQL
For Appearance( So Few Jawans & Workers Go Home On Late) SELECT – FROM – JOIN – ON – WHERE – GROUP BY – HAVING – ORDER BY – LIMIT FROM – JOIN – ON – WHERE – GROUP BY – HAVING – SELECT – ORDER... by Team AHT | Apr 7, 2024 | SQL
SQL provides various functions to perform operations on data stored in a database. Here are some commonly used SQL functions categorized based on their functionality: Aggregate Functions: COUNT(): Counts the number of rows. SUM(): Calculates the sum of values. AVG():... by Team AHT | Apr 7, 2024 | SQL
Data Definition Language (DDL) – to define and modify the structure of a database. Data Manipulation Language (DML) – to access, manipulate, and modify data in a database. Data Control Language (DCL) – to control user access to the data in the database... by Team AHT | Apr 7, 2024 | SQL
Normalization and denormalization are two opposing database design techniques aimed at achieving different goals. Let’s explore each concept: Normalization: Normalization is the process of organizing the data in a database to minimize redundancy and dependency.... by Team AHT | Apr 7, 2024 | SQL
