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What are DDL and DML?
... the database.
CREATE – to create database and its objects like (table, index, views, store procedure, function and triggers)
ALTER – alters the structure of the existing database
DROP – delete objects from the database
TRUNCATE – remove all records from a table, including all ...
Why does overflow:hidden not work in a ?
I've got a table cell that I would always like to be a particular width. However, it doesn't work with large strings of unspaced text. Here's a test case:
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On Duplicate Key Update same as insert
...ould be no need to re-update it.
Alternatively, you can use:
INSERT INTO table (id,a,b,c,d,e,f,g)
VALUES (1,2,3,4,5,6,7,8)
ON DUPLICATE KEY
UPDATE a=a, b=b, c=c, d=d, e=e, f=f, g=g;
To get the id from LAST_INSERT_ID; you need to specify the backend app you're using for the same.
For LuaSQL...
What are the correct version numbers for C#?
...release in 2002. C# was introduced with .NET Framework 1.0.
The following table lists important features introduced in each version of C#.
And the latest version of C# is available in C# Versions.
1:
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Create code first, many to many, with additional fields in association table
... not possible to create a many-to-many relationship with a customized join table. In a many-to-many relationship EF manages the join table internally and hidden. It's a table without an Entity class in your model. To work with such a join table with additional properties you will have to create actu...
Difference between database and schema
... between a Database and a Schema in SQL Server? Both are the containers of tables and data.
5 Answers
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How do I force a UITextView to scroll to the top every time I change the text?
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I have added text view in table's cell so I m setting this in cell for row but not working
– Chandni
Oct 31 '17 at 9:00
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When increasing the size of VARCHAR column on a large table could there be any problems?
...er 2008 and I need to make a VARCHAR field bigger, from (200 to 1200) on a table with about 500k rows. What I need to know is if there are any issues I have not considered.
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Delete duplicate rows from small table
I have a table in a PostgreSQL 8.3.8 database, which has no keys/constraints on it, and has multiple rows with exactly the same values.
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Storing sex (gender) in database
...the 'closest' data type would be tinyint with a CHECK constraint or lookup table as appropriate.
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