Useful tips for everyday
How do I create a dynamic PIVOT query in SQL? Dynamic Pivot Query CREATE PROCEDURE DBO.USP_StudentReport. ( @ExamType VARCHAR(20) = ” ) AS. BEGIN. SET…
What is replication SQL Server? Replication is a set of technologies for copying and distributing data and database objects from one database to another and…
How to design and build a data warehouse? You design and build your data warehouse based on your reporting requirements. After you identified the data…
How do you replace a special character in a string? Example of removing special characters using replaceAll() method public class RemoveSpecialCharacterExample1. { public static void…
Can a constraint be defined in the Oracle Database? For additional information, refer to the SQL statement in which you define or redefine a constraint…
How many users can connect to SQL Express? By default, SQL Server allows a maximum of 32767 concurrent connections which is the maximum number of…
How to dump a remote database using mysqldump? mysqldump allows you to dump databases that are hosted on a remote machine. Let’s see how to…
What routines help you maintain your database? Our Database Maintenance program has four main ‘Categories’ of routines: Index Defragmentation. Log File Maintenance…. Index Defragmentation: Log…
How do I connect to a SQL server database? Step 3: Connect to your database using SSMS Launch Microsoft SQL Server Management Studio. The Server…
How do I select multiple columns as single column in SQL? SELECT COALESCE(column1,”) + COALESCE(column2,”) FROM table1. For this example, if column1 is NULL ,…