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Cannot insert explicit value for identity column in table 'table' when IDENTITY_INSERT is set to OFF

...tionId that is an identity column. You can turn on identity insert on the table like this so that you can specify your own identity values. SET IDENTITY_INSERT Table1 ON INSERT INTO Table1 /*Note the column list is REQUIRED here, not optional*/ (OperationID, OpDescription...
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How can I get column names from a table in SQL Server?

I want to query the name of all columns of a table. I found how to do this in: 20 Answers ...
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Primary key or Unique index?

...e two equal values in that column in two different rows. Example: CREATE TABLE table1 (foo int, bar int); CREATE UNIQUE INDEX ux_table1_foo ON table1(foo); -- Create unique index on foo. INSERT INTO table1 (foo, bar) VALUES (1, 2); -- OK INSERT INTO table1 (foo, bar) VALUES (2, 2); -- OK INSERT ...
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How to recover MySQL database from .myd, .myi, .frm files

... If these are MyISAM tables, then plopping the .FRM, .MYD, and .MYI files into a database directory (e.g., /var/lib/mysql/dbname) will make that table available. It doesn't have to be the same database as they came from, the same server, the same...
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Schema for a multilanguage database

... What do you think about having a related translation table for each translatable table? CREATE TABLE T_PRODUCT (pr_id int, PRICE NUMBER(18, 2)) CREATE TABLE T_PRODUCT_tr (pr_id INT FK, languagecode varchar, pr_name text, pr_descr text) This way if you have multiple translatab...
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Grid of responsive squares

...bove. With this technique, you can make any other aspect ratio, here is a table giving the values of bottom padding according to the aspect ratio and a 30% width. Aspect ratio | padding-bottom | for 30% width ------------------------------------------------ 1:1 | = width |...
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A migration to add unique constraint to a combination of columns

...o apply unique constraint to a combination of columns. i.e. for a people table, a combination of first_name , last_Name and Dob should be unique. ...
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How to create a MySQL hierarchical recursive query

I have a MySQL table which is as follows: 15 Answers 15 ...
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Ruby: Can I write multi-line string with no concatenation?

...c 'select attr1, attr2, attr3, attr4, attr5, attr6, attr7 from table1, table2, table3, etc, etc, etc, etc, etc, where etc etc etc etc etc etc etc etc etc etc etc etc etc' Alternatively you can use a heredoc: conn.exec <<-eos select attr1, attr2, attr3, attr4, attr...
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How can I insert values into a table, using a subquery with more than one result?

... If you are inserting one record into your table, you can do INSERT INTO yourTable VALUES(value1, value2) But since you want to insert more than one record, you can use a SELECT FROM in your SQL statement. so you will want to do this: INSERT INTO prices (group,...