CrunchyTricks - Best Tips And Tricks

Wednesday, 29 March 2023

Filtering Conditions in SQL Explained: Things to Know

Posted by Madhu Gupta

SQL is a powerful language used to manage and manipulate large database datasets. One of the critical concepts in SQL is filtering conditions, which allow you to narrow down your data to only the relevant information you need. In this article, we'll explore filtering conditions in SQL, including their syntax, examples, and best practices for using them effectively.

Filtering in SQL

What are filtering conditions in SQL?

Filtering conditions, also known as WHERE clauses, are used in SQL to select specific rows of data from a table based on a set of conditions. These conditions can be simple expressions, such as WHERE age = 30, or more complex combinations of expressions and operators. 

Filtering Conditions in SQL

Filtering conditions are a crucial part of SQL queries, as they allow you to perform specific searches on your data and retrieve just the information you need.

Understanding the syntax of filtering conditions in SQL

The syntax for filtering conditions in SQL is relatively simple but needs to be clarified for newcomers. In its most basic form, a WHERE clause looks like this:

SELECT column_name FROM table_nameWHERE condition;

Where column_name is the name of the column you want to retrieve data from, table_name is the name of the table you want to search, and the condition is the filtering condition or set of conditions you want to apply to your search. The most common operators used in filtering conditions are:

  • = (equal to)
  • != (not equal to)
  • > (greater than)
  • >= (greater than or equal to)
  • < (less than)
  • <= (less than or equal to)
  • AND (logical operator)
  • OR (logical operator)

Exploring the different types of operators for filtering data in SQL

SQL Operators

SQL offers a variety of operators for filtering data beyond the basic comparison operators we've discussed so far. Some of the most common operators include:

  • LIKE: Used to search for a specific pattern in a string value.
  • NOT LIKE: Used to filter out records that do not match a specified pattern.
  • IN: Used to search for a specific range of values.
  • NOT: Used to negate a condition.

For example, the SQL NOT LIKE operator is often used with the LIKE operator and the wildcard character '%.' For example, if you want to select all customers whose last name does not start with the letter 'S,' you could use the following query:

SELECT * FROM customers WHERE last_name NOT LIKE 'S%';

This query will return all customers whose last name does not begin with 'S.' The NOT LIKE operator can be handy when you exclude certain records from your query results based on specific criteria.

How to use the WHERE clause for filtering data in SQL

To use the WHERE clause for filtering data in SQL, you need to understand the basic syntax and operators and the logical operators that can be used to combine multiple conditions. 

Where Clause

Here are some tips to help you effectively use the WHERE clause:

  • Always start with the SELECT statement to specify the columns you want to retrieve data from.
  • Specify the table you wish to search using the FROM statement.
  • Define the filtering conditions using an operator in the WHERE statement.
  • Use logical operators like AND and OR to combine multiple conditions.
  • Enclose string values in single quotes (' '), not double quotes (" ").

Tips and best practices for using filtering conditions effectively in SQL

Here are some tips and best practices for using filtering conditions effectively in your SQL queries:

  • Use specific column names instead of SELECT *.
  • Use parentheses to group conditions and clarify the order of operations.
  • Avoid using hard-coded values in filtering conditions.
  • Consider using indexes for faster searching.
  • Avoid using LIKE with leading wildcards, as it can significantly slow down the query.

Common mistakes to avoid while working with filtering conditions in SQL

As with any programming language, SQL has its fair share of common mistakes that are easy to make but can be costly for your query results. Here are some common mistakes to avoid when working with filtering conditions:

  • Using the wrong operator or syntax.
  • Forgetting to include parentheses to group conditions.
  • Not accounting for null values in filtering conditions.
  • Using case-sensitive comparison when values are case-insensitive.
  • Not using the correct data type in filtering conditions (e.g., dates as strings instead of date formats).

Advanced techniques for complex filtering conditions in SQL

Advanced filtering conditions require more in-depth knowledge of SQL, including subqueries, joins, and other techniques. Some advanced techniques include:

  • Using subqueries to filter data based on values from another table or query.
  • Using joins to combine data from multiple tables before applying filtering conditions.
  • Using standard SQL functions to convert data types or perform advanced calculations on the data.

Comparing and contrasting filtering conditions with other query techniques in SQL

SQL Queries

Filtering conditions are just one of many query techniques available in SQL. Other techniques include:

  • Aggregation functions like AVG, COUNT, MAX, and MIN to retrieve summary statistics on data.
  • Grouping to retrieve data based on shared values in one or more columns.
  • Sorting to retrieve data in a specific order based on one or more columns.
  • Joining to combine data from multiple tables based on shared values in one or more columns.

While filtering conditions are essential for selecting specific rows of data, these other techniques can provide additional insights into the relationships and patterns within your data.


Filtering conditions are a powerful tool in SQL for selecting specific rows of data based on a set of conditions. By understanding the syntax and operators, as well as tips and best practices for using filtering conditions effectively, you can extract valuable insights from your data and make more informed decisions. By contrast, avoiding common mistakes and mastering advanced techniques can take your SQL skills to the next level.

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Tuesday, 28 March 2023

How Local SEO Services can help your Business?

Posted by Madhu Gupta

Most businesses know they need to be on the first page of Google if they want to be seen, but what about other search engines? What about Bing or Yahoo? While it's true that Google controls the lion's share of the search engine market, you can still afford to ignore the other guys. 

Local SEO for business

Local search engine optimization services can be just as crucial for your business, especially if you're targeting a specific geographic area. Local SEO is about optimizing your online presence to make it easier for people in your target area to find you. And while it may seem like a lot of work, the payoffs can be huge.

What are SEO services?

Search engine optimization (SEO) improves a website's or web page's visibility in search engine results pages (SERPs). SEO can be done on both on-page and off-page factors influencing SERP rankings.


SEO Services

On-page SEO involves optimizing individual web pages to make them more search-engine friendly. This includes optimizing title tags, meta descriptions, header tags, and images. Off-page SEO involves link-building and social media engagement to improve a website's overall authority and popularity.


On-page and off-page SEO are important for ranking your website higher in SERPs. However, local SEO is essential for businesses that want to attract customers from a specific geographical area. Local search engine optimization services consider things like the location of the company, its service area, and relevant keywords for that particular geographic area.


By optimizing their website for local search, businesses can increase their chances of being found by potential customers searching for their products or services in a specific location. Local search engine optimization companies can help local businesses more than anyone.

What are Local Search Engine Optimization services?

Local search engine optimization services refer to optimizing your online presence to attract more business from local customers. It involves targeting specific keywords and phrases that potential customers are searching for and making sure your website and social media pages are optimized for local search.

Local SEO

In today's digital world, more and more people are using search engines to find businesses in their area. This means that if you want to attract local customers, you must ensure your business is visible in local search results. Local search engine optimization services can help you achieve this by boosting your ranking in search results and making it easier for potential customers to find your business online.


Local SEO is an integral part of any small business marketing strategy. Now is the time to start if you still need local SEO to market your business.


Why are Local Search Engine Optimization companies important?


Local SEO is essential for several reasons. It can help you attract more visitors to your website, improve your visibility in search engine results pages, and ultimately bring sales to your business. Local search engine optimization companies offer local businesses a way to boost sales without investing in expensive PPC ads or implementing complex marketing strategies.

Here are a few reasons why SEO is so important:


• SEO can help you attract more visitors to your website. If your website is optimized for search engines, it will rank higher in search engine results pages (SERPs). When people search for keywords related to your business, your website is more likely to appear in the top results. And since most people don't click past the first page of SERPs, appearing on the first page can dramatically increase the number of visitors to your website.

• SEO can improve your visibility in search engine results pages. Even if you rank on the second or third page of SERPs, few people will likely find your website. But optimizing your website for SEO can improve your visibility and get more traffic from SERPs.

• SEO can ultimately boost your business. More traffic from SERPs means more opportunities to convert leads into customers. And more customers mean more revenue for your business. So while SEO may take some time and effort to achieve, it can be well worth it in the long run.


Pros and Cons of Search Engine Optimization

Search engine optimization (SEO) improves the ranking of a website or web page in search engine results pages (SERPs). For example, local search engine optimization services will improve the visibility of a site or page in organic (unpaid) search results, or they can be used to enhance the visibility and ranking of a site or page in paid search results.

Pros and Cons of SEO

The main advantage of SEO is that it can help a site or page rank higher in SERPs, leading to increased traffic and visibility for the site. However, some disadvantages to SEO include the potential for keyword stuffing and other black hat techniques that could result in a penalty from Google. Therefore, look for reputable local search engine optimization companies for guaranteed results.

What are the benefits of Search Engine Optimization?

As a business owner, you always want to find new ways to increase your customer base and grow your business. Local search engine optimization services can be a great way to achieve this. Local search engine optimization companies will optimize your website for Google search to appear higher in the local search results.

There are many benefits of SEO, but here are some of the most important ones:

Benefits of SEO


Increased Traffic: One of the main benefits of SEO is that it can help increase website traffic. If you appear higher in the search results, you will likely get clicks from potential customers. This can lead to more sales and revenue for your business.

Cost-Effectiv: Another benefit of SEO is that it is a cost-effective marketing strategy. It can be costly to run ads on Google or other search engines. With SEO, you can achieve similar results without spending as much money. This makes it an excellent ROI-focused marketing tactic.

Boosts Brand Awareness: When people see your website at the top of the search results, they will start associating your brand with being a leader in your industry. This increased brand awareness can lead to even more traffic and sales.

Helps You Stand Out from Competitors. If all of your competitors need to do SEO, then this is an excellent opportunity for you to get ahead by implementing it on your site.


SEO can help a business in many ways:

  1. It can help them to rank higher in search engine results pages (SERPs), helping them to reach more potential customers.
  2. SEO can help improve click-through rates (CTRs) and organic traffic, increasing sales and revenue.
  3. Local search engine optimization services can help businesses create more informative and user-friendly websites, reducing bounce rates and improving conversions.
  4. By keeping up with the latest SEO trends with the help of local search engine optimization companies, businesses can ensure that their website is always visible to potential customers, giving them a distinct competitive advantage.

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Thursday, 23 March 2023

4 Different Hacks to Make an Attractive Instagram Story Background

Posted by Madhu Gupta

 Ready to make your Instagram background innovative and attractive? Instagram keeps you ahead of the ongoing trends, and Instagram stories keep your posts aligned and on point. However, every story has its story, identify yours and make it up for your Instagram story background template.

Different Hacks to make an attractive Instagram Background Story

Nowadays, Instagram stories are getting more productive with the introduction of AR filters and stickers. There are hundreds of features where you can explore and experiment. Here are some of the best hacks to cover your Instagram stories.

Hack 1: How to Change the Color

Changing the background color is a cinch. Hunt for the drawing tool in the top right corner of the Instagram screen and choose a color of your preference. Next, tap on the screen after selecting a color and hold it for 2-3 seconds. The background automatically takes a color similar to the post you have shared. A customized color appears behind the post in the background

How to change the color

If you are up for a new story, the complete screen will occupy the chosen color, and a layer of color will cover your story. Use the eraser tool to strike off the unwanted parts (colored). Adjust the size of the eraser as per your need from the eraser icon in the upper-right corner.

Hack 2: How to Add Effects to the Instagram Story Background Elements

You must have wondered about trying new stuff with your Instagram story background texts, emojis, and other elements. To add extra glow or renovate the texts or emojis, tap the screen, open the text tool, choose from the available options and find the best style. They have multiple options for you to select from.

See Also: 8 Best Instagram Followers App for Android (That Actually Work)

Hack 3: How to Add Image in the Background

You are wrong if you think Instagram restricts you from the post you have shared on your story, you are wrong. You can add an image from your camera roll to the post. First, find the post you wish to share and add it to your Instagram story background. 

How to add image in the background

Next, tap the sticker tray, select the "Add from Camera Roll" option and stroll through the images from your gallery. Select the image you want to merge in the background with your post. You can adjust the post's size, location, and features by moving the post itself. Use your thumb to expand, compress, or move the post. Position the additional image according to you and align it with your post.

Hack 4: How to Access Extra Colors

There is a hidden hack for accessing more colors to your Instagram story background. The colors available in the color tray might not meet your personality. To overcome this, tap the draw tool, long-hold a particular color at the bottom of the screen, a color slider opens, and select any color of that specific shade. This allows you to pick a custom color for your post.

See Also: 7 Coolest Instagram Caption Generator for Android & iOS

Bottom Line

Instagram stories are a flex. Why stay antiqued when you can know every hidden hack to master the art of creating Instagram story background? The story creation is a design trick to engage more audiences and boost relevant strategies. You need to know multiple hacks to create a story for your profile.

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