1 Update MySQL tables with some duplicated entries 1 Update for duplicate entry in the same table 6 How to UPDATE a column of all duplicate records in MySQL? 1 MySQL update query for duplicate entries 0 Update field that have duplicates on another table 0 Finding duplic...
[IndexOutOfRangeException: There is no row at position 0.] i find this error.. plz help me.. [IO] How to - Delete a file, keeping data in the stream? [Out Of Memory Error] while handling 400MB XML file [Solved] C# write to file without extension [Solved] Error MSSQL connect...
MySQL MS SQL Server PostgreSQL Oracle SQLite Operators: HAVING COUNT GROUP BY Table of Contents Problem: Example: Solution: Discussion: Problem: You have duplicate rows in your table, with only the IDs being unique. How do you find those duplicate entries?
27 SQL query to find Primary Key of a table? 1 MySQL primary key 0 mysql: getting primary key of a table programmatically 0 mySQL table, primary key 0 Primary keys in sql 0 MYSQL - Determine tables primary key in order 4 How to check if primary key exists in MySQL Hot Netwo...
To find entire duplicate records that have the same value in every attribute here is a simple query: SELECT(Student.*)::text, count(*)FROMStudentGROUPBYStudent.*HAVINGcount(*)>1 The query above takes all the attributes. In this case, it will takesid,sname,sage, andsemailand counts the ...
How to find which login/user has modified the record in a table in SQL server 2008. How to find which user has DBO right How to fix 'Error converting data type varchar to bigint.'? How to fix an error:"Cannot resolve the collation conflict between "Latin1_General_CI_AI" and..."?
UseDictionaryto Find Duplicates in a List in C# Another approach to efficiently identify duplicate entries in a list involves the use of aDictionaryto track occurrences. This method allows us to maintain a count of how many times each element appears in the list, making it straightforward to pi...
In MySQL, replication involves the source database writing down every change made to the data held within one or more databases in a special file known as thebinary log. Once the replica instance has been initialized, it creates two threaded processes. The first, called theIO thread, connects...
From what i understand, ON DUPLICATE KEY UPDATE only applies to a single row in a single table. What i'd like to do is if email or name is different for an existing fbUserId, i'd like to update the changed fields. How would i do this? Also, any thoughts on...
While you could do a loop in a stored procedure to accomplish this, it would be better (i.e. more SQL-like) to just join it to a table of digits to cross join the appropriate number of times. First, you'll need a populated digits (or ints, or whatever you want to call it) ta...