What are the advantages of stored procedures, triggers,
indexes?
Answer Posted / riyas_isno
Triggers are used to identify changes (like insert,update
or delete) in database tables and captured in temp tables
seperately....it helps in business level logics...
procedures contains group of sql statements which are
precompiled ones.....
indexes helps in speedup our execution...
Is This Answer Correct ? | 3 Yes | 3 No |
Post New Answer View All Answers
Can I use mysql for free?
Use a regular expression to find records. Use “REGEXP BINARY” to force case-sensitivity. This finds any record beginning with r.
What is a heap table?
what is database white box testing? : Mysql dba
Is there a free version of mysql?
I've looked but can't find a MySQL equivalent for MS SQL's xp_cmdshell. I have 7z files that I want to unzip and load into MySQL. I'm trying to write a sp to do the unzip, but I can't find a way to do that. Can anyone provide an example of a similar process in Windows? TIA.
Please can the SQL code below be interpreted IF @xMatchCriteria='MATCH12' BEGIN IF EXISTS (Select * from #InsightData where (EmailAddress=@xDCPEmailAddress ) ) BEGIN SET @xTestMatchCriteria = @xMatchCriteria; SELECT @xCRMCustomerId=CustomerId, @xCRMDcpCustomerId=DcpCustomerId, @xCRMPortalCustomerID=PortalCustomerID,@xCRMDcpID=DcpID, @xCRMCardNumber=CardNumber, @xCRMEmailAddress=EmailAddress, @xCRMfirtLetterFirstName=firtLetterFirstName, @xCRMLastName=Surname,@xCRMAddressLine1=AddressLine1, @xCRMPostCode=PostCode FROM #InsightData where (EmailAddress=@xDCPEmailAddress ) END ELSE BEGIN SET @xTestMatchCriteria='No'+@xMatchCriteria; END END
How to see the create table statement of an existing table?
Suppose you have to collect the first name, middle name and the last name of students from the below table. But, you observe that there few missing values either in the first name, middle name and the last name columns. How will you return the first non-null values?
Write a query to find duplicate rows in table?
how to search second maximum(second highest) salary value(integer)from table employee (field salary)in the manner so that mysql gets less load?
What is datatype in mysql?
How do I restore a mysql database?
Why use stored procedures in mysql?
how we will Show selected records sorted in an ascending (asc) or descending (desc).