What cool things can you do with SQL?

Posted on by Muna Meyer

What cool things can you do with SQL?

Top SQL Project Ideas For Beginners

  • Library Management System.
  • Centralized College Database.
  • Student Database Management.
  • Online Retail Application Database.
  • Inventory Control Management.
  • Hospital Management System.
  • Railway System Database.
  • Payroll Management System.

How can I improve my SQL query skills?

7 Tips for How to Finally Get Good at (and Master) SQL

  1. Make SQL Part of Your Work Day.
  2. Document Your SQL Learning Experience.
  3. Produce Reports using SQL for your business.
  4. Share Your SQL Knowledge with Others.
  5. Volunteer or Freelance on an SQL or Database Project.
  6. Learn SQL Early in Your Career.

What are SQL Server hints?

Hints are options or strategies specified for enforcement by the SQL Server query processor on SELECT, INSERT, UPDATE, or DELETE statements. The hints override any execution plan the query optimizer might select for a query.

How do I make SQL interesting?

SQL tips and tricks for data analysis

  1. Use Descriptive Names. Use simple and easily understood names for columns and tables.
  2. Format Your Code.
  3. Use Uppercase and Lowercase.
  4. Follow the Order of Execution.
  5. Avoid Over-Normalization.
  6. Go Tall, Not Wide, With Tables.
  7. Be Consistent With Keys.
  8. Master ‘Group By’

What SQL Cannot do?

T-SQL queries include the SELECT statement, selecting columns, labeling output columns, restricting rows and modifying a search condition. T-SQL identifiers, meanwhile, are used in all databases, servers, and database objects in SQL Server.

How can I be strong in SQL?

25 tips to Improve SQL Query Performance

  1. Use EXISTS instead of IN to check existence of data.
  2. Avoid * in SELECT statement.
  3. Choose appropriate Data Type.
  4. Avoid nchar and nvarchar if possible since both the data types takes just double memory as char and varchar.
  5. Avoid NULL in fixed-length field.
  6. Avoid Having Clause.

How can improve table performance in SQL Server?

What are some smart query writing tips in SQL Server?

SQL OR Tip. The following example use the OR statement to get the result: SELECT * FROM a, b WHERE a.p = b.q OR a.x = b.y; The UNION statement allows you to combine the result sets of 2 or more select queries. The following example will return the same result that the above query gets, but it will be faster. SELECT * FROM a, b WHERE a.p = b.q.

How long does it take to setup a SQL Server?

Log-in to the Power BI Service

  • Click on Settings Icon and then select Manage Gateways
  • You’ll see that the name that we specified while installing the gateway is automatically being listed under the cluster Figure 15 – Data Gateway Cluster
  • Once the cluster is available,the next step is to add a data source to it

    • How many types of triggers in SQL Server?

    Data Definition Language (DDL) Triggers

  • Data Manipulation Language (DML) Triggers
  • Logon Triggers

    • How to learn Microsoft SQL Server quickly?

    – Resources to complement my learning – Step by step instructions to Get SQL Certified – Learning path of SQL with formal education – Learning the path of SQL without formal education – Why I love online training the most! – How Do I Choose an Online Course? – The Best Way to Learn SQL