
How to calculate percentage with a SQL statement
Due to precedence of SQL statements it will be the same. however, due to data types if using 100 you can still get the result rounded to 0 decimals you desire for the % where as if you put it after the …
How to select unique records by SQL - Stack Overflow
How to select unique records by SQL Asked 16 years ago Modified 1 year, 10 months ago Viewed 747k times
sql server - Database stuck in "Restoring" state - Stack Overflow
Ran into a similar issue while restoring the database using SQL server management studio and it got stuck into restoring mode. After several hours of issue tracking, the following query worked for me.
sql - Exclude a column using SELECT * [except columnA] FROM tableA ...
We all know that to select all columns from a table, we can use SELECT * FROM tableA Is there a way to exclude column(s) from a table without specifying all the columns? SELECT * [except columnA]...
sql - How do I list all the columns in a table? - Stack Overflow
Microsoft SQL Server Management Studio 2008 R2: In a query editor, if you highlight the text of table name (ex dbo.MyTable) and hit ALT + F1, you'll get a list of column names, type, length, etc.
sql - Must declare the scalar variable - Stack Overflow
@MyVariable and @myvariable are the same variables in SQL Server Man. Studio and will work. However, these variables will result in a "Must declare the scalar variable "@MyVariable" in Visual …
sql - Get list of all tables in Oracle? - Stack Overflow
How do I query an Oracle database to display the names of all tables in it?
Retrieve the maximum length of a VARCHAR column in SQL Server
Many times you want to identify the row that has that column with the longest length, especially if you are troubleshooting to find out why the length of a column on a row in a table is so much longer than …
sql - Delete duplicate rows keeping the first row - Stack Overflow
10 To delete the duplicate rows from the table in SQL Server, you follow these steps: Find duplicate rows using GROUP BY clause or ROW_NUMBER () function. Use DELETE statement to remove the …
SQL WHERE.. IN clause multiple columns - Stack Overflow
SELECT * FROM table1 WHERE (CM_PLAN_ID, Individual_ID) IN ( SELECT CM_PLAN_ID, Individual_ID FROM CRM_VCM_CURRENT_LEAD_STATUS WHERE Lead_Key = :_Lead_Key ) …