Bulk Insert Error Log
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Bulk Insert Error File Overwrite
(Transact-SQL) DELETE (Transact-SQL) EXPLAIN (Transact-SQL) FROM (Transact-SQL) Hints (Transact-SQL) INSERT (Transact-SQL) MERGE (Transact-SQL) OPTION Clause (Transact-SQL) OUTPUT Clause (Transact-SQL) READTEXT (Transact-SQL) Search Condition (Transact-SQL) SELECT (Transact-SQL) Subqueries (Azure SQL Data Warehouse, Parallel Data Warehouse) Table Value Constructor (Transact-SQL) TOP (Transact-SQL) UPDATE (Transact-SQL) UPDATETEXT (Transact-SQL) WHERE (Transact-SQL) WITH common_table_expression (Transact-SQL) WRITETEXT (Transact-SQL) TOC Collapse the table of content Expand the table of sql bulk insert error handling content This documentation is archived and is not being maintained. This documentation is archived and is not being maintained. BULK INSERT (Transact-SQL) Other Versions SQL Server 2012 Updated: February 22, 2016THIS TOPIC APPLIES TO:SQL Server (starting with 2008)Azure SQL DatabaseAzure SQL Data Warehouse Parallel Data Warehouse Imports a data file into a database table or view in a user-specified format in SQL Server Transact-SQL Syntax ConventionsSyntax Copy BULK INSERT [ database_name . [ schema_name ] . | schema_name . ] [ table_name | view_name ] FROM 'data_file' [ WITH ( [ [ , ] BATCHSIZE = batch_size ] [ [ , ] CHECK_CONSTRAINTS ] [ [ , ] CODEPAGE = { 'ACP' | 'OEM' | 'RAW' | 'code_page' } ] [ [ , ] DATAFILETYPE = { 'char' | 'native'| 'widechar' | 'widenative' } ] [ [ , ] FIELDTERMINATOR = 'field_terminator' ] [ [ , ] FIRSTROW = first_row ] [ [ , ] FIRE_TRIGGERS ] [ [ , ] FORMATFILE = 'format_file_path' ] [ [ , ] KEEPIDENTITY ] [ [ , ] KEEPNULLS ] [ [ , ] KILOBYTES_PER_BATCH = kilobyte
> Import and Export Problem The following tip addresses some of the questions I get asked about using bulk insert as an ETL tool. Microsoft provides bulk insert with SQL Server and it is one of the most reliable ETL tools oracle bulk insert error handling I've used. Combined with PowerShell, it can significantly reduce ETL development time, and unlike some
Bulk Insert Truncation Error
alternatives, allows for easy automation and application, such as building an AI that can read a file's format, then create a bulk insert based
Sql Server Bulk Insert Error Handling
on the structure by detecting new rows, delimiters, problematic lines, etc. At the time of this tip, bulk insert is available in SQL Server versions 2005, 2008, 2008R2, 2012, and 2014 and there's no evidence Microsoft intends to deprecate https://msdn.microsoft.com/en-us/library/ms188365.aspx it (I've been asked about this last one). Solution One popular misconception about bulk insert involves inserting a document, such as a full text file. People will specify a new line character as the row separator, yet that's inaccurate if you want the document in one row, or if there is a different separator. For instance, see the below code and images for an example inserting an HTML document: CREATE TABLE tb_HTMLDocuments( HTMLData VARCHAR(MAX) ) BULK INSERT tb_HTMLDocuments https://www.mssqltips.com/sqlservertip/3587/troubleshooting-common-sql-server-bulk-insert-errors/ FROM 'C:\files\htmlfile.html' WITH ( ---- Note the below space only exists to prevent the HTML reader from removing it ROWTERMINATOR = '< !--END-->' ) SELECT * FROM tb_HTMLDocuments DROP TABLE tb_HTMLDocuments If I specified a new line character as the row separator, I would have seen more rows than one. Suppose that I have several HTML documents in one text file and I want multiple rows: CREATE TABLE tb_HTMLDocuments( HTMLData VARCHAR(MAX) ) BULK INSERT tb_HTMLDocuments FROM 'C:\files\htmlfile.html' WITH ( ---- Note the below space only exists to prevent the HTML reader from removing it ROWTERMINATOR = '< !--END-->' ) SELECT * FROM tb_HTMLDocuments DROP TABLE tb_HTMLDocuments A VARCHAR(MAX) field can hold up to 2GB, so a large document will fit into one column provided it doesn't exceed that size. This leads to a related error I get asked about a lot: Bulk load data conversion error (truncation) for row [number], column [number]. Let's generate this error: CREATE TABLE tb_HTMLDocuments( HTMLData VARCHAR(1) ) BULK INSERT tb_HTMLDocuments FROM 'C:\files\htmlfile.html' WITH ( ---- Note the below space only exists to prevent the HTML reader from removing it ROWTERMINATOR = '< !--END-->' ) SELECT * FROM tb_HTMLDocuments DROP TABLE tb_HTMLDocuments The column size must be able to hold the data size of the values being inserted. The error identifies the specific problem - the row and column. For a document with thousands of rows and hundre
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Stay up to date: Daily newsletters with brand new articles, scripts, editorials and a Question of the Day help you keep on top of SQL Server. Sign up No thanks Improve your SQL Server knowledge daily with more articles by email. Sign up Thank this author by sharing: Rate this Join the discussion Add to briefcase Error logging with Bulk Insert By Mohammad Atif, 2013/04/04 The bulk insert is used to bulk load data into staging tables from .txt or .csv files. It is very fast compared to normal insert statements because by default, CHECK and FOREIGN KEY constraints are disabled. Although this behavior can be controlled by using CHECK_CONSTRAINTS, it is highly recommended for better performance not to use this argument. For more information on the Bulk Insert statement please refer to the Microsoft documentation: http://msdn.microsoft.com/en-us/library/ms188365.aspx The Bulk Insert statement rejects all the records that do not match the column data type or size such as: We have a column defined as an Integer and a value present in that column is actually composed of characters. The size defined is varchar(10) and actually the length of the value is more than 10 characters. Only the records that violates the above rules are rejected and not the entire file. Again this behavior can be controlled by using the MAXERRORS argument. This argument defines how many records can be rejected before rejecting the complete file. Let's examine a couple scenarios to show how this works Scenario 1: Suppose we have defined the value of MAXERRORS to be10 and 5 records are rejected during the Bulk Insert process. The rest of the records will be loaded successfully, and only those 5 records that don't meet the criteria are not loaded. Scenario 2: Suppose we have defined the value of MAXERRORS to be 10 and 11 records are rejected during the Bulk Insert process. Then the entire file will be rejected and no records will be loaded into staging table. Now the question arises about the 5 records rejected during Scenario 1. We can save those records in a different file if we enable error logging features. Use the argument ERRORFILE and give the path and name of the file where you want to log such records that are rejected during BULK INSERT. Remember if the entire file is rejected due to exceeding the value of MAXERRORS value then only MAXERRORS+1 records will be logged in the error log file. This is because the system checks the file only to the point where it gets to MAXERRORS + 1 and not beyond this record. Along with the error log file, another file is created by default by the system which has the extension .