First you would find "CS 101" in the Courses set by name, set that as the owner or parent of the Enrollees set, find the first member (ffm) of the Enrollees set, which is a Student record, and list it. Then you would go into a loop: Find next member (fnm) and list it. When...
VB loop structures definition as Microsoft Developer Network: The technique that allow you to run one or more lines of code repetitively. You can repeat the statements in a loop structure until a condition isTrue, until a condition isFalse, a specified number of times, or once for each eleme...
Nested tables defined in PL/SQL have many more operations than previously. You can compare nested tables for equality, test whether an element is a member of a nested table, test whether one nested table is a subset of another, perform set operations such as union and intersection, and much...
Say you wanted to list the students enrolled in CS 101. First you would find"CS 101"in theCoursesset by name, set that as the owner or parent of theEnrolleesset, find the first member (ffm) of theEnrolleesset, which is aStudentrecord, and list it. Then you would go into a loop: ...
In Cursor by it means its an iterating process of resultant record. if we run a query and we want some checks on retrieved records or wants to loop through each row of resultant query we will use Cursors. Another terminology is stored procedures. by names it is a procedure stored on dat...
loop to insert elements into a list or other data structure. what's the difference between the insert and append commands? the main difference between the insert and append commands is where they add new elements. the insert command can add a new element at any position in the data ...
The Kimberley region, in particular, is终止,或者可能仍然要继续下去。unique" and untouched. As a photographer, I love the bright light and amazing(9)swimming close to..是现在分词colours: red rocks,green plants, blue-green waters and blue skies.短语作后置定语,修饰 crocodile。How does your love...
Changing ForEach Loop Container Directory Property Changing Server name in SSIS Character Limit - Export Data from SQL Server to Excel 12.0 CHARINDEX and case sensitive Check for file existence in ssis and if not send an email ending the package successfully Check if file is open ( without openi...
Can we optimise While Loop in sql server for large number of data? Can we pass parameters to the trigger?(Beginner) Can we RAISERROR inside MERGE Statement Can we select Bottom 1000 rows of a database Table from SSMS 2008 R2? Can we set value in a variable inside a select statement ca...
MySQL 8.0 deliversNOWAITandSKIP LOCKEDalternatives in the SQL locking clause. Normally, when a row is locked due to anUPDATEor aSELECT ... FOR UPDATE, any other transaction will have to wait to access that locked row. In some use cases there is a need to either return immediately if a...