This function is the same as NVL: it allows you to use a different value if NULL or an empty value is found. ISNULL exists in SQL Server and MySQL, where NVL is only in Oracle. NVL2 (Oracle) The NVL2 function is similar to the NVL function. NVL2 allows you to specify a value to...
In a relational database, the data are distributed into different tables to reduce data redundancy and improve data integrity. The JOINs in SQL help to combine the rows of two or more tables using one or more related columns.JOINs in the SQL can be broadly categorized into two groups: 1....
The SELECT DISTINCT statement is used toreturn only distinct (different) values. Inside a table, a column often contains many duplicate values; and sometimes you only want to list the different (distinct) values. What is distinct used in SQL? The SQL DISTINCT keyword is used in conjunction wi...
SQL is a standardized language used to access and manipulate databases to build customizable data views for each user. SQL queries are used to execute commands, such as data retrieval, updates, and record removal. Different SQL elements implement these tasks, e.g., queries using the SELECT stat...
Most designers create databases with their own unique set of SQL rules to best suit their particular needs. You can’t simply copy and paste one database’s SQL onto another, because those databases may have been built in two completely different ways. So, where does the injection part come...
It is possible to make such changes from any connected SQL node, but recommended practice is to do so from a designated SQL node only, since the order of execution of statements affecting privileges from different SQL nodes cannot be guaranteed to be the same on all SQL nodes. Prior to ...
Apply SQL hotfixes in a replication topology ASCII function returns different results CDC capture job fails when processing changes CDC for Oracle results in transaction log growth Error message when you run the Distribution Agent Fail to enumerate subscription properties Install service packs an...
SelectMore>Run as Different User>Use a different account. Type the service account name and password. After Windows PowerShell opens, type the following command to verify that you signed in with the service account: PowerShell whoami Then you can test the connection to the remote node...
The clone plugin versioning requirement was relaxed to allow cloning between different point releases in the same series. In other words, only the major and minor version numbers must match when previously the point release number also had to match. For example, clone functionality now permits cl...
SQL Server 2017 introduced two different architectures for availability groups.Always On availability groupsprovide high availability, disaster recovery, and read-scale balancing. These availability groups require a cluster manager. In Windows, the failover clustering feature provi...