How can you compare two tables -- say, table A and table B and determine if their content is the same? Assuming that A and B have same structure, here's how:First, from set theory, recall that: If ((|A| = |B|) && |A U B| = |A|)) ====>>> A = B |A| = NUMBER of rows […]
2002-08-07
1,472 reads
this scripts presents the way to retrieve from a given result set the values given n where n determines that the Nth value,2N th values , 3Nth value will be returnedin the example n = 3 the returning rows are 22,32,42the given set is 20,21,22,30,31,32,40,41,42
2002-08-01
435 reads
This script is used to extract from a temprary table with long string all elements in an array formatlength of 15 chars is assumed.
2002-08-01
616 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
292 reads
a Basic Example of how to use TEXTPTR and updatetext in T-SQL to MANIPULATE text columns
2002-07-18
905 reads
a Basic example of how to manipulate an IDENTITY COLUMN AN HOW TO STOP the automatic counting using SET IDETNTITY_INSERT
2002-07-18
699 reads
procedure is an extended xp called xp_getNetName to get the computer network identifcation name
2002-07-18
767 reads
a Procedure to get the SQL sid for a Login either SQL standard or WINDOWS authenticated
2002-07-18
999 reads
there are 2 extended STORED PROCEDURES xp_dirtree will get the directory name and nesting level from a given parameter root directory xp_subdirs will get the directories list in the first sub level from a given parameter root directory
2002-07-18
878 reads
THERE is an extended sp called xp_fileexists given a full path to a file Name information is a 3 Bit vector 0/1 if a file doesn't/does exist0/1 is given name is a directory0/1 if the parent directory exists
2002-07-18
1,077 reads
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