Data science jobs have been in great demand in recent years, with the Bureau of Labor Statistics expecting a 22% increase in job growth from 2020 to 2030—much faster than the typical growth of other occupations. This need shows no signs of decreasing as organizations continue to focus on generating,...
Let's imagine an app is well-known and receives a lot of traffic from all around the world. As a result, your database will be bombarded with thousands of new records every day. Now the subject of how to manage user data and for users emerges. In this case, database sharding...
I was working on a legacy Database with tables that has a lot of records, more than like 1M records.I noticed some duplicate rows there and I had to do something about this.After some research I came up with the following code that would delete duplicated rows in a table.DELETE...
When I observe performance optimizations for online apps, I often see them done at the application layer or by validating the index existence on a database table field column (s). The optimization of SQL queries receives very little attention. Even experienced architects and developers have a tendency to overlook the...
1.LanguageSQL databases: SQL databases use structured query language (SQL) for defining and manipulating data. This is extremely powerful: SQL is one of the most many-sided and widely-used options available, making it a safe choice and especially great for complex queries. But it can be restrictive. SQL requires that you use predefined schemas to...
We talked before on How to apply or execute a T-SQL command to every tables in your database.Now we are going to have a quick look on the same but for databases not tables …There is a handy undocumented stored procedure that allows you to do this without needing to...
sp_MSforeachtable is a stored procedure that is mostly used to apply a T-SQL command to every table, iteratively, that exists in the current database.Examples on how to use it:1-Perform an unconditional reindex over all tables in the database:EXEC sp_MSforeachtable 'DBCC DBREINDEX(''?'')'2-Truncate all tables in the database:EXEC sp_MSforeachtable 'TRUNCATE TABLE ?'3-Get...
When expression is a date or time data type, style can be one of the values shown in the below Text:101 >>>>>>>> mm/dd/yy102 >>>>>>>> yy.mm.dd103 >>>>>>>> dd/mm/yy104 >>>>>>>> dd.mm.yy111 >>>>>>>> yy/mm/dd114 >>>>>>>> hh:mi:ss:mmm(24h)we will assume that we have a table contain a DateTime data type field, the result of the...
I am working on a database using SQL Server 2012. There is a table named Order has an auto Identity Column named OrderId datatype is int .I noticed that the sequence of the identity is just not right. It has jumped with 1000.After research about this issue, I found that...
The ASP.NET membership feature provides secure credential storage for application users.We will use the following:Web Page Named Login.aspx and another Web Page named CreateUser.aspxLogin Control.Create User Wizard Control.Steps:1- Configure Forms Authentication in Web.config FileTo configure forms authentication, set the <authentication> element's mode attribute to "Forms" and then configure your application's...
