Time-based blind SQL injections:A hacker uses delays in SQL queries to gauge the app's responses and infer info about the database. For example, a hacker could use an SQL query to command a three-second delay if the first letter of the first database's name is A. If the response ta...
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...
Object storage integration SQL Server 2022 (16.x) introduces new object storage integration to the data platform, enabling you to integrate SQL Server with S3-compatible object storage, in addition to Azure Storage. The first is backup to URL and the second is Data Lake Virtualization.Data Lake...
MySQL 8.0 deliversNOWAITandSKIP LOCKEDalternatives in the SQL locking clause. Normally, when a row is locked due to anUPDATEor aSELECT ... FOR UPDATE, any other transaction will have to wait to access that locked row. In some use cases there is a need to either return immediately if a ...
"EXECUTE AT" with Dynamic Linked Server Name "explicit value must be specified for identity column in table" error in SQL 2000 "FROM clause have the same exposed names. Use correlation names to distinguish them" "No transaction is active." error when trying to send a transactional SQL statmen...
When this new flag is specified, version 1 of the database is deleted atomically within the same transaction with no downtime. However, it comes at the cost of having both databases loaded into memory simultaneously. Many-to-many relationships in tabular models This improvement allows many-to-...
andAVGduring table scans when the data type uses no more than 8 bytes, and is not a string data type. Aggregate pushdown is supported with or withoutGROUP BYclause for both clustered columnstore indexes and nonclustered columnstore indexes. On SQL Server, this enhancement is reserved for Enterpr...
When this new flag is specified, version 1 of the database is deleted atomically within the same transaction with no downtime. However, it comes at the cost of having both databases loaded into memory simultaneously. Many-to-many relationships in tabular models This improvement allows many-to-...
Yes,DISTINCT works on all combinations of column values for all columnsin the SELECT clause. Can I use distinct with multiple columns in SQL? Answer.Yes, the DISTINCT clause can be applied to any valid SELECT query. It is important to note that DISTINCT will filter out all rows that are ...
Object storage integration SQL Server 2022 (16.x) introduces new object storage integration to the data platform, enabling you to integrate SQL Server with S3-compatible object storage, in addition to Azure Storage. The first is backup to URL and the second is Data Lake Virtualization.Data Lake...