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Oracle “Partition By” Keyword
...xample of it in action, as well as why one would want to use it? I have a SQL query written by someone else and I'm trying to figure out what it does.
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java.sql.SQLException: Incorrect string value: '\xF0\x9F\x91\xBD\xF0\x9F…'
... and one will see squares if you are not using fonts that support them.
MySQL's utf8 only supports basic multilingual plane, and you need to use utf8mb4 instead:
For a supplementary character, utf8 cannot store the character at all,
while utf8mb4 requires four bytes to store it. Since utf8 ca...
Create PostgreSQL ROLE (user) if it doesn't exist
How do I write an SQL script to create a ROLE in PostgreSQL 9.1, but without raising an error if it already exists?
10 Answ...
Select count(*) from multiple tables
... @Stéphane: this happens when you try Oracle code on PostgreSQL. Lose the FROM dual.
– Quassnoi
Feb 3 '16 at 12:52
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show 7 m...
What is the difference between SqlCommand.CommandTimeout and SqlConnection.ConnectionTimeout?
Is there any difference between SqlCommand.CommandTimeout and SqlConnection.ConnectionTimeout in .NET?
6 Answers
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How do you search an amazon s3 bucket?
...re traditional datastores that offer a (SELECT * FROM ... WHERE ...) (in a SQL model).
What you will need to do is perform ListBucket to get a listing of objects in the bucket and then iterate over every item performing a custom operation that you implement - which is your searching.
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Hibernate - Batch update returned unexpected row count from update: 0 actual row count: 0 expected:
..., try the following:
In your hibernate configuration, set hibernate.show_sql to true. This should show you the SQL that is executed and causes the problem.
Set the log levels for Spring and Hibernate to DEBUG, again this will give you a better idea as to which line causes the problem.
Create a uni...
Get top 1 row of each group
... And... What is Partition By? With is new to me also :( I'm using mssql 2005 anyway.
– dpp
Jul 27 '11 at 8:48
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How do you view ALL text from an ntext or nvarchar(max) in SSMS?
How do you view ALL text from an NTEXT or NVARCHAR(max) in SQL Server Management Studio? By default, it only seems to return the first few hundred characters (255?) but sometimes I just want a quick way of viewing the whole field, without having to write a program to do it. Even SSMS 2012 still has...
How to do a regular expression replace in MySQL?
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With MySQL 8.0+ you could use natively REGEXP_REPLACE function.
12.5.2 Regular Expressions:
REGEXP_REPLACE(expr, pat, repl[, pos[, occurrence[, match_type]]])
Replaces occurrences in the string expr that match the regular expressio...