redgate sql data compare

in the trigger is executed without executing the SQL statement. After trigger is post-trigger: means that if a SQL statement triggers a trigger, it does not immediately execute the pre-defined statement in the trigger, but waits until all the specified operations in the SQL statement have been executed successfully before firing the trigger.4. The difference bet

/MySQL-06.sql Ii. Contents 1, IndexAn index is a table-related structure that acts like a book's directory and can quickly find what you want based on the page numbers in the catalog. When there are a large number of records in the table, to query the table, there is no index for full table search: Take all records one by one out, compare the query criteria one by one, and return the records that meet the c

Data | data type datetime and interval are two types of data that are related to time. Their role is reflected in the creation or alteration of a record in a record library, the time it takes to run a record when a time occurs, or when a DateTime variable has been established. This article describes the two data types

Label:Data development1. Sort by last name stroke:Select * from TableName Order by CustomerName Collate chinese_prc_stroke_ci_as//from less to more2. Database encryption:Select Encrypt (' original password ')Select Pwdencrypt (' original password ')Select Pwdcompare (' original password ', ' encrypted password ') = same as; otherwise different encrypt (' original password ')Select Pwdencrypt (' original password ')Select Pwdcompare (' original password ', ' encrypted password ') = same;3. Retrie

, Then the algorithm is calculated to calculate the value of [Boughtcar] of the remaining 70% data in 4000 rows of data, then compare it with the real value, get the accuracy rate, if the accuracy rate can accept our mining model is constructed, We can use the mining model to derive the value of [Boughtcar] from the data