Introduction:
databases, such as Microsoft's SQL Server 2005, use transact-structured Query Language (T-SQL) to insert, modify, Retrieves data. Most database systems contain constructs to group A series of SQL statements that can be executed as
AerospikeC client manual --- user-defined functions-Register User-Defined FunctionsRegistering a user-defined function Aerospike C client provides the ability to register, update, or remove a user-defined function (UDF) module in a database.
In addition to the previous basic database and data table operations in the relational database, programmability functions, stored procedures, transactions, triggers, and cursors are provided.This article describes the functions.The functions are
In computer languages, the existence of types allows us to process data and functions more specifically, but there is a problem of type conversion. C ++ has the same problems as other computer languages. However, it has more Reference types than C,
Step eighth: Call managed Stored from the presentation layer procedures
When the data access layer and business logic layer are expanded to support the invocation of the 2 managed stored procedures of getdiscontinuedproducts and
Mysql for databases (6) -- mysql common functions/user-defined functions, mysql FunctionsCommon functionsOperation Functions
I believe you can understand it, so I will not explain it too much.
Then there is another, missed
Applying UDFs to recordsThe Aerospike C Client API provides aerospike_key_apply () to apply a user-defined function to a record in the database.before using the aerospike_key_apply () operation, the UDF module containing the function being applied
Creates a user-defined function that is a saved Transact-SQL routine that returns a value. User-defined functions cannot be used to perform a set of actions that modify the state of the global database. As with system functions, user-defined
Create a user-defined function, which is a stored Transact-SQL routine of the returned value. User-defined functions cannot be used to modify the global database status. Like system functions, user-defined functions can be called from queries. You
Create a user-defined function, which is a stored Transact-SQL routine of the returned value. User-defined functions cannot be used to modify the global database status. Like system functions, user-defined functions can be called from queries. You
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