The EXPLAIN command will fail if you use it for other SQL commands, such as data definition language (DDL) or database operations. The EXPLAIN output relative unit costs are used by Amazon Redshift to choose a query plan. Amazon Redshift compares the sizes of various resource estimates to ...
If SQL query performance is poor or query results do not meet expectations, you can execute the EXPLAIN and EXPLAIN ANALYZE statements in Hologres to obtain execution plans of query statements. This way, you can optimize query statements or database structures. This topic describes how to execute...
Let's say you want 100 random numbers, but list only the unique values: =UNIQUE(RANDARRAY(100,1,9788723527370120,9788723527370990,TRUE)) Warning: keep in mind that ALL numbers will end in 0 because your numbers have 16 digits but Excel only displays 15 significant digits. Why not generate ra...
What is the difference between mysql_fetch_object() and mysql_fetch_array() functions in PHP? mysql_... Class hierarchies (I... What is difference between Association, Aggregation and Inheritance relationships? In object oriente... HTML Error Checking... How can I check for HTML errors?
C# Send Data To Various Computer C# Send mouseclick to hWnd C# SendKeys.Send problem C# serialize list<string> to xml C# Serialize to JSON inside a text file, but the object is empty, why? C# Server - TcpClient.Client.Receive - Is there a way to cancel it C# service - Monitor sle...
=UNIQUE(RANDARRAY(100,1,9788723527370120,9788723527370990,TRUE)) in a clean sheet at a1 cell. Am i doing something wrong? Ohayonson No, it appears to be a bug. Paste the formula into any other cell - it should work. After that it should work in A1 too....
C# Send Data To Various Computer C# Send mouseclick to hWnd C# SendKeys.Send problem C# serialize list<string> to xml C# Serialize to JSON inside a text file, but the object is empty, why? C# Server - TcpClient.Client.Receive - Is there a way to cancel it C# service - Monitor sl...