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Search All Fields In All Tables For A Specific Value (Oracle)
...ma.
SQL> variable val varchar2(10)
SQL> exec :val := 'KING'
PL/SQL procedure successfully completed.
SQL> SELECT DISTINCT SUBSTR (:val, 1, 11) "Searchword",
2 SUBSTR (table_name, 1, 14) "Table",
3 SUBSTR (column_name, 1, 14) "Column"
4 FROM cols,
5 TABLE (xmlsequence (d...
SQL Server query to find all permissions/access for all users in a database
...database, or objects within the database such as tables, views, and stored procedures, either directly or due to roles, etc. This report would be used for security auditing purposes. Not sure if anyone has a query that will fit my needs completely, but hopefully something that will give me a good ...
How to configure multi-module Maven + Sonar + JaCoCo to give merged coverage report?
...agePlugin>jacoco</sonar.java.coveragePlugin>
<sonar.dynamicAnalysis>reuseReports</sonar.dynamicAnalysis>
<sonar.jacoco.reportPath>${project.basedir}/../target/jacoco.exec</sonar.jacoco.reportPath>
<sonar.language>java</sonar.language>
</pro...
Algorithm for creating a school timetable
...eems.
As others have alluded to, this is a NP-complete problem, but let's analyse what that means.
Basically, it means you have to look at all possible combinations.
But "look at" doesn't tell you much what you need to do.
Generating all possible combinations is easy. It might produce a huge amo...
How can building a heap be O(n) time complexity?
... sum for the siftDown approach is indeed O(n)?
One method (there are other analyses that also work) is to turn the finite sum into an infinite series and then use Taylor series. We may ignore the first term, which is zero:
If you aren't sure why each of those steps works, here is a justification fo...
How do I delete a fixed number of rows with sorting in PostgreSQL?
...
You could write a procedure which loops over the delete for individual lines, the procedure could take a parameter to specify the number of items you want to delete. But that's a bit overkill compared to MySQL.
...
Export database schema into SQL file
... - generate scripts
Next, select the requested table/tables, views, stored procedures, etc (from select specific database objects)
Click advanced - select the types of data to script
Click Next and finish
MSDN Generate Scripts
When generating the scripts, there is an area that will allow you to ...
What exactly is a reentrant function?
...ecursive function would have the same problem, but usually, one can easily analyse a function and its recursive nature, an thus, detect if it's reentrant or it's ok for recursivity. The callback, in the other hands, means that the author of the function calling the callback has no info whatsoever ab...
How to ignore files/directories in TFS for avoiding them to go to central source repository?
... forget to Check In the changed .tfignore-File.
For VS 2015/2017:
The same procedure:
In the "Excluded Changes Tab" in TeamExplorer\Pending Changes
click on Detected: xxx add(s)
The "Promote Candidate Changes" Dialog opens, and on the entries you can Right-Click for the Contextmenu. Typo is fixed n...
Can I protect against SQL injection by escaping single-quote and surrounding user input with single-
...parse and validate
Call parameterized queries only.
Better yet, use Stored Procedures exclusively.
Avoid using dynamic SQL, and dont use string concatenation to build queries.
If using SPs, you can also limit permissions in the database to executing the needed SPs only, and not access tables direct...