If you’ve the database backup available and know the time of data deletion, you can use the transaction log with Log Sequence Number (LSN) to recover the deleted data from SQL Server. However if you ...

selected_knife_ct smallint unsigned null comment 'DEFINDEX of selected knife for ct', selected_glove_t smallint unsigned null comment 'DEFINDEX of selected glove for t', selected_glove_ct smallint ...

SQL is a language used to get data from databases. It helps websites, apps, and reports work. Even social media and online shopping use SQL behind the scenes. The basic rules are easy to learn. But a ...

Consider the DimDate table in the AdventureWorksDW2017 sample database for SQL Server: Notice that the FullDateAlternateKey column has the data type Date. If you connect to this table in the normal ...

Introduction. The SQLite database is a wildly successful and ubiquitous software package that is mostly unknown to the larger IT community. Designed and coded by Dr. Richard Hipp, the third major ...

In my database ddl (SQL Server) I have fields which have default values: my_database_field varchar(255) NOT NULL DEFAULT 'NVT' However, when I try to insert data into this table using DataFrame.to_sql ...

Joining a table with seven million rows to a table with 30 million rows via inner join. Writing a simple INNER JOIN on X.a = Y.B in SQL results in a query that takes a couple of seconds to execute in ...

PDO is PHP Data Objects which is used to connect to any database. Benefit of using PDO is that if there is any problem in our query it has an exception class to handle it. If any exception thrown to ...