A SQL trigger is specialstored procedurethat is run when specific actions occur within a database. Most database triggers are defined to run when changes are made to a table’s data. Triggers can be defined to runinstead oforafterDML (Data Manipulation Language) actions such as INSERT, UPD...
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...
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LOCAL - specifies that the cursor name is local to the Stored Procedure, trigger, or query that holds the cursor. Data Fetch Option in Cursors Microsoft SQL Server supports the following two fetch options for data: FORWARD_ONLY - Specifies that the cursor can only be scrolled from the first...
Formerly available in the Migration Workbench, Oracle SQL Developer is now the primary migration platform for moving your 3rd Party databases to Oracle Database. Users can connect to Access, SQL Server, Sybase ASE, DB2, or Teradata and walk a wizard-driven process to move their objects, data,...
This attack is a bit more complex and may be used by an attacker when they cannot achieve their goal in a single, direct query-response attack. Typically, an attacker will craft SQL statements that, when presented to the database, will trigger the database system to create a connection to...
In NDB 8.0.22 and later, setting ndb_metadata_sync to true clears the list of objects for which synchronization has failed previously, which means it is no longer necessary to discover individual tables or to re-trigger synchronization by reconnecting the SQL node to the cluster. In addition,...
DROP TRIGGER DROP USER DROP VIEW GRANT RENAME TABLE REVOKE These are in addition to those statements added in MySQL 8.1 or otherwise already supported in this regard. For more information, including a listing of all such statements supported in MySQL 8.3, see the description of the gro...
This manipulated query allows an attacker to bypass the password check and gain unauthorized access. The query returns all rows where the username is empty or true. In most cases, there are no indications that someone is performing SQL injections on a database. The only sign of an attack is...
injection. Error-based SQL injections trigger the system into producing errors, building up a picture of what the database looks like. Errors are useful when developing the database and for network administrators, but only certain errors and information should be displayed on a live web ...