Scalar function 'f_contains' counts the number of times the first argument occurs within the second argument.Given: @arg1, @arg2 (both VARCHAR), @cnt INTSELECT @cnt = dbo.f_contains (@f_search_for = @arg1 , @f_container = @arg2)
2002-07-22
404 reads
Scalar function 'f_delimited' slices out of a passed-in string, from a specified position inside the string, that segment of it which is delimited on one or both sides by a specified delimiter.Example: Print out a segment of a 'syscomments.text' column for a stored procedure 'p_proc', representing a line of code (i.e., the segment of 'syscomments.text' […]
2002-07-22
132 reads
Procedure 'p_find_string' allows users to specify any database on a server in searching for a specified character string. Supported for string-searching: table columns, view columns, trigger, function, and procedure code. Produces a report showing: object type, owner, object name, column id (for tables and views) or what line number (for triggers, functions, and procedures), and […]
2002-07-22
159 reads
Let's say you have 2 tables: a Contacts table and a PhoneNumbers table (which stores all the phone numbers for each contact). You are asked to write a query that returns each contact's name and a comma-delimited string of phone numbers for each contact, something like this:FirstName LastName PhoneNumbers--------- -------- --------------------------John […]
2002-07-22
1,057 reads
Using a Having clause I eliminate getting the EVEN rows and getting ovly the odd primary keysBy using Having (count(*) %2) = 0 I will get the even and not the odd.
2002-07-20
327 reads
Introduction:SQL Server 7.0 introduced a new class of functions that return a wide range of property information that isn't readily available in SQL Server 6.5 and earlier versions. These functions have three general classes: TypeProperty, which returns information about a data type; ObjectProperty, which returns information about objects in the current database; and ColumnProperty, which […]
2002-07-19
162 reads
2002-07-19
598 reads
This script will provide the first four values required for estimating the size of a database table. It will satisfy steps one and two in MS estimation process for the amount of space required to store the data in a MS SQL Server v7.0 or v2000 table:1 Specify the number of rows present in the […]
2002-07-19
516 reads
Copy and paste this script into Query Analyzer and run it.Use this script to generate a simple security string of 0's and 1's.
2002-07-19
403 reads
Lists objects from database. Similar to 'dir' command from DOS 🙂Typical usage sp_dir 't' 'order*', 1 - returns list of all tables whose name start with 'order' plus their columns and data typessp_dir 'p' 'custom*_sp' - returns list of all stored procedures whose name start with 'custom' and end up with '_sp'For list of […]
2002-07-19
507 reads
In Part 1, we saw how ‘Vamana’ represents vectors as nodes, connects them with...
I’m excited to announce the release of a new open-source project that fully automates...
One of my favourite features of SQL Server 2022 was the T-SQL Snapshot Backups....
Comments posted to this topic are about the item Optional Parameter Plan Optimization in...
Comments posted to this topic are about the item AI Experience Gap that we...
There is a table tmp_tab:
CREATE TABLE tmp_tab ( id int, val int );
INSERT INTO tmp_tab VALUES (1, 1), (2, NULL), (3, 3), (4, 4), (5, 5);You want to order the rows ids by the following expression:
ISNULL(val, id) + 1Which of the following queries produces the expected ordering and why? (Select all correct) See possible answers