Not only can a programmer use regular file operations to work with a device, but some devices are also accessible to standard programs like cat, so you don’t have to be a programmer to use a device. However, there is a limit to what you can do with a file interface, so not all d...
How to create an Oracle Solaris Zones cluster on Oracle Solaris 11, install and configure Oracle Grid Infrastructure 11.2.0.3 and Oracle Real Application Clusters (Oracle RAC) 11.2.0.3 in the zone cluster, and create an Oracle Solaris Cluster 4.0 resourc
SQL, which stands forStructured Query Language, is a programming language that’s used to retrieve, update, delete, and otherwise manipulate data in relational databases. MySQL is officially pronounced “My ess-cue-el,” but “my sequel” is a common variation. As the name suggests, MySQL is...
Oracle Database runs a commit before and after DDL. So if the create works, it's saved to your database.You can also create a table based on a select statement. This makes a table with the same columns and rows as the source query. This operation is known as create-table-as-se...
This shows you how to query an Oracle 11g database from Excel 2007 (only available when you do a FULL install of Excel 2007). Actually, it should work on any current version of the Oracle database. The key to making this work is having the Oracle 10g Client software or an Oracle 11g...
Please note that in this post Oracle Database 12c Enterprise Edition is used on the server. Enabling native encryption First, create thesqlnet.oraconfiguration file on the client, if one does not exist already. You can use tools likeProcess Monitorto locate the file: ...
Good, we can connect to the cluster using the read/write splitting port (6540) and execute the query…. oh ?! But why are we reaching the Primary instance ? Shouldn’t we access a Read/Only instance (one of the Secondaries) ?
SQL>CREATEUSERuser1 IDENTIFIEDBY'Passw0rd!'REQUIRESUBJECT'/C=BE/ST=Hainaut/L=Maurage/O=MySQL/OU=Community/CN=user1/emailAddress=user1@oracle.com';Query OK,0rowsaffected(0.0114sec) If we don’t want to use a password but only the certificate, it’s possible the remove “identified by ‘...
I have the following Liquibase query: begin for x in (select table_name from dba_tables where owner='${schema}') loop execute immediate 'grant select, delete on ${schema}.' || x.table_name || ' to ${schema}'; end loop;
The acronym “SQL” stands for Structured Query Language, a type of programming language that’s used for manipulating data in a database. MySQL uses the SQL language to manage and query data in databases and, hence, uses the acronym as part of its name. If you’ve got data stored in ...