SQL is used to query and manipulate the underlying relational databases such as SQL Server, Oracle, MySQL, PostgreSQL, SQLite, etc. SQL is an ANSI (American National Standards Institute) and ISO (International Organization for Standardization) standard language. However, not all the databases ...
Function return values OUT parameters Run PL/SQL dialog Specify run target Shows parameter information Generates editable PL/SQL block for populating parameters Full functioning debugger Control program execution(Step into, over, ...) Inspect and modify variables ...
Function return values OUT parameters Run PL/SQL dialog Specify run target Shows parameter information Generates editable PL/SQL block for populating parameters Full functioning debugger Control program execution(Step into, over, ...) Inspect and modify variables ...
Learn what a SQL Query is and the fundamentals of the SQL SELECT statement, which is used to query the database for useful information. Learning how to retrieve information from or manipulate information in a database is commonly a perplexing exercise. However, it can be a relatively easy tas...
Learn about new features for SQL Server 2022 (16.x), which gives you choices of development languages, data types, environments, and operating systems.
The logic for change data capture process is embedded in the stored proceduresp_replcmds, an internal server function built as part of sqlservr.exe and also used by transactional replication to harvest changes from the transaction log. In SQL Server and Azure SQL Managed Instance, when ...
SQL STUFF Function (Transact SQL) 10 responses to “What is a SQL Trigger?” What are the Major Part of a SQL DB? – Essential SQL Oct 16, 2021 […] Triggers are special instructions that are executed when important events, such as inserting or updating records in a table happen. The...
Union-basedattacks use prepared statements that exploit the SQL union function, which combines the results of multiple queries into one result. Inferential SQLi Also known asblind SQLi, inferential SQLi is when hackers send datapayloadsto a database server to observe its response and behavior withou...
Once a user account is created on an SQL node, the user and its privileges can be stored in NDB and thus shared between all SQL nodes in the cluster by issuing a GRANT statement such as this one: GRANT NDB_STORED_USER ON *.* TO 'jon'@'localhost'; NDB_STORED_USER always has glob...
The WAIT_UNTIL_SQL_THREAD_AFTER_GTIDS() SQL function was deprecated in MySQL 8.0, and is no longer supported as of MySQL 8.2. Attempting to invoke this function now causes a syntax error. Instead of WAIT_UNTIL_SQL_THREAD_AFTER_GTIDS(), it is recommended that you use WAIT_FOR_EXECUTED...