To show a list of databases in SQL you can use these commands: Let’s see them in more detail. Show Databases in Oracle Oracle has a different server-database model to SQL Server and MySQL, called Container Databases and Pluggable Databases. I’ve written aguide to them here. If you wa...
psqlallows users to usemeta-commandsto perform routine tasks, such as connecting to a database, viewing all databases, etc. Meta-commands consist of a backslash symbol (\) followed by one or more letters. To list all the databases on the server via the psql CLI in Windows, follow these ...
But first, let’s delve into the different types of indexes available in Oracle Database.How to Choose the Index TypeOracle Database offers many different types of index to improve your SQL. One of the key decisions you need to make is whether to go with a bitmap or B-tree index....
Connecting the databases can reduce data redundancy and minimize the need to maintain separate data copies. Steps for Connecting SQL Server and Oracle 1. Creating the mwrep User Perform the following actions to create a new database user: It should be noted that you can skip these steps if...
MySQL is fast, reliable, scalable, and easy to use. It was originally developed to handle large databases quickly and has been used in highly demanding production environments for many years. MySQL offers a rich and useful set of functions, and it’s under constant development by Oracle, so ...
For an overview of these types, watch this video, taken from the first module of the beginner's SQL course: Databases for Developers: Foundations:Heap Organized TablesThis is the default for tables in Oracle Database. But if you want to be explicit, add the "organization heap" clause ...
Figure 1. Oracle VM VirtualBox Manager After Importing the TemplateIf you select the VM's icon, its settings will be displayed in the right pane. Click the Settings button to edit the settings. For your convenience, the settings are grouped in categories. If you need, for example, to ...
Log in to your GaussDB instance as a user who has the permission to create databases. Create a GaussDB database compatible with Oracle. Primary/Standby: create databasedatabasenamedbcompatibility = 'A'; Distributed: create databasedatabasenamedbcompatibility = 'ORA'; ...
In SQL Server Management Studio, connect to the Database Engine server type, expand Databases, right-click a database, point to Tasks, and then click Import Data or Export data. —or— In a command prompt window, run DTSWizard.exe, located in C:\Program Files\Microsoft SQL Server\100\DTS...
When creating databases, you can specify a template database and set different character sets and collations for each database.You can connect to your instance using the