If I have a column in a table of type TIMESTAMP and has as default: CURRENT_TIMESTAMP does this column get updated to the current timestamp if I update the value of any other column in the the same …
SQL max product price [closed]
Closed. This question does not meet Stack Overflow guidelines. It is not currently accepting answers. This question appears to be off-topic because it lacks sufficient information to diagnose the problem. Describe your problem in more detail or include a minimal example in the question itself. Closed 8 years …
SQL Server: Invalid Column Name
I am working on modifying the existing SQL Server stored procedure. I added two new columns to the table and modified the stored procedure as well to select these two columns as well. Although the columns are available in the table, I keep getting this error: Invalid column name ‘INCL_GSTAMOUNT’ C…
MySQL : ERROR 1215 (HY000): Cannot add foreign key constraint
I have read Database system concepts, 6th edition, Silberschatz. I’m going to implement the university database system shown in chapter 2 on OS X on MySQL. But I have a trouble with creating the table course. the table department looks like Creating the table course causes the following error. after sea…
#1072 – Key column ‘role_id’ doesn’t exist in table
I am trying to add foreign key on my other table but this gave me error #1072 – Key column ‘role_id’ doesn’t exist in table I have created a table named role then I created like this then when I try to alter table on my user table and I got an error like this #1072 – Key column &…
tSQL – Conversion from varchar to numeric works for all but integer
I have a table with numbers in a varchar(255) field. They’re all greater than one and have multiple decimal places. I’d like to convert them to integers. According to every web site I’ve consulted, …
Retrieve Sqlite table data in C++
I have the code as below. I am trying to simply get data from a table i have already created. How do i get the data in the array p_fields that is defined in the callback function into a variable in …
Error (ORA-00923: FROM keyword not found where expected)
select country_olympic_name, SUM(part_gold) as ‘Number of Gold Medals’ From games.country, games.participation where participation.country_isocode = country….
How to run a SQL query on an Excel table?
I’m trying to create a sub-table from another table of all the last name fields sorted A-Z which have a phone number field that isn’t null. I could do this pretty easy with SQL, but I have no clue how to go about running a SQL query within Excel. I’m tempted to import the data into postgresq…
C# SQL Query – ExecuteNonQuery: Connection property has not been initialized
I have a number of blocks of code in my Windows Application that use the same structure to execute queries. After adding in a few new things to my code, these no longer work due to the error: “…