The SQL operator NOT IN and NOT EXISTS may seem similar at first glance, but there are differences between them. Let us set up the tables ‘orders’ and
Virtual log file growthIn previous versions of SQL Server, if the next growth is more than 1/8 of the current log size, and the growth is less than 64 MB, four VLFs were created. In SQL Server 2022 (16.x), this behavior is slightly different. Only one VLF is created if the growth...
NoSQL injection is a security weakness in aweb application that uses a NoSQL database. NoSQL (Not Only SQL) refers to database systems that use more flexible data formats and do not support Structured Query Language (SQL). They typically store and manage data as key-value pairs, documents...
Beginning with MySQL 8.4.0, the deprecated mysql_native_password authentication plugin is no longer enabled by default. To enable it, start the server with --mysql-native-password=ON (added in MySQL 8.4.0), or by including mysql_native_password=ON in the [mysqld] section of your MySQL co...
The first user id in a database is very often the administrator. In this way, the attacker not only bypasses authentication but also gains administrator privileges. They can also comment out the rest of the SQL statement to control the execution of the SQL query further: -- MySQL, MSSQL,...
Add basic support forhierarchyidtype in SQL Server. Address an issue with an unknown return type for a function called through synonym. Update ODP.NET to v19.3. SSMA v8.2 The v8.2 release of SSMA for Oracle is enhanced to: Add support forDBMS_OUTPUT.ENABLE/DISABLE. ...
Analysis Services projects and SSMS are updated monthly with new and improved features that typically coincide with new functionality in SQL Server. While it's important to learn about all the new features, it's also important to know what is being deprecated and discontinued in this release and...
Also, notice that SQL is using only 415MB to store 156883 ad hoc plans in cache; that is a good indication that the instance probably has the “optimize for ad hoc workloads” server configuration option enabled. Based on those numbers, the server received many ad...
(SMO) names. For example, the term "database replica" is used in the names of the Always On dynamic management views that return information about availability databases:sys.dm_hadr_database_replica_statesandsys.dm_hadr_database_replica_cluster_states. However, in SQL Server Books Online, ...
(SMO) names. For example, the term "database replica" is used in the names of the Always On dynamic management views that return information about availability databases:sys.dm_hadr_database_replica_statesandsys.dm_hadr_database_replica_cluster_states. However, in SQL Server Books Online, ...