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How to count instances of character in SQL Column
I have an sql column that is a string of 100 'Y' or 'N' characters. For example:
16 Answers
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what is the difference between GROUP BY and ORDER BY in sql
... in the link is sufficient to understand the difference tutorialspoint.com/sql/sql-group-by.htm
– nishantbhardwaj2002
Apr 29 '15 at 9:57
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“where 1=1” statement [duplicate]
I saw some people use a statement to query a table in a MySQL database like the following:
10 Answers
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Auto increment primary key in SQL Server Management Studio 2012
How do I auto increment the primary key in a SQL Server database table, I've had a look through the forum but can't see how.
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SQL-Server: Error - Exclusive access could not be obtained because the database is in use
I am actually trying to make a script (in Sql Server 2008) to restore one database from one backup file. I made the following code and I am getting an error -
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SQL - The conversion of a varchar data type to a datetime data type resulted in an out-of-range valu
I have been getting the following error when running a SQL to convert my data type value from varchar to datetime .
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Cannot drop database because it is currently in use
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For SQL server mgmt. studio: Right click database: Properties -> Options -> Restrict Access : Set to "Single User" and perform the drop afterwards.
– AceAlfred
Sep 27 '13 at 11:02
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Can someone copyright a SQL query? [closed]
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Can SQL code really qualify for a copyright anyway?
– David Brunelle
Dec 3 '09 at 20:45
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Android: upgrading DB version and adding new table
I've already created sqlite tables for my app, but now I want to add a new table to the database.
5 Answers
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Add new column with foreign key constraint in one command
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As so often with SQL-related question, it depends on the DBMS. Some DBMS allow you to combine ALTER table operations separated by commas. For example...
Informix syntax:
ALTER TABLE one
ADD two_id INTEGER,
ADD CONSTRAINT FOREIGN KE...