The decode function can be used in SQL for and IF-THEN-ELSE construction. It's an alternative for the CASE statement which was introduced in Oracle 8. Syntax: decode( expression , compare_value, return_value, [,compare, return_value] ... [,default_return_value] ) with: expression is t...
参见 sqlite_create_function() - Registers a "regular" User Defined Function for use in SQL statements sqlite_udf_encode_binary() - Encode binary data before returning it from an UDF sqlite_udf_decode_binary() - Decode binary data passed as parameters to an UDF...
Add Embedded Image to Body of Email Add empty row to Datagridview Add EncodingType to Nonce element on SOAP Message (WS-Security) Add fonts to resources file Add hexidecimal character to a string Add IList to IList Add Images to DatagridView Cell Add months to GETDATE() function in s...
The complete guide to SQL COALESCE. Learn the syntax, parameters, use cases and find practical examples in the Hightouch SQL Dictionary.
SQL is a language with a syntax all its own, consisting of statements, clauses, and other pieces of code such as operators that establish parameters for limiting the query. An SQL statement is a complete piece of code that goes to a database management system, or DBMS, in order to perfo...
A select_expression or where_definition in a SQL statement can consist of any expression using the functions described next. An expression that contains NULL always produces a NULL value unless otherwise indicated in the documentation for the operators and functions involved in the expression. ...
Get sum of salary from employee table without using sum function in sql server Get the Array of objects in HiddenField Get the Body on HTTP POST in C# Get the current page after a call back function get the first item in a generic list get the last character of a string get the logge...
Structure of PL/pgSQL Supported PL/pgSQL statements Materialized views Materialized view queries Automatic query rewriting to use materialized views Materialized views on external data lake tables Refreshing a materialized view Automated materialized views Using a user-defined function (UDF) in a materiali...
SQLite does not have a native boolean type. Instead, it uses ints, where 0 is False and 1 is True. Because of this the Gleam stdlib decoder for bools will not work, instead thesqlight.decode_boolfunction should be used as it supports both ints and bools....
In view of the CPU spikes, deadlocks, and suspended threads that may occur in some services, it is very important to summarize and refine the ideas...