How do I check in SQLite whether a table exists? Everything works and changes will be persisted, or nothing works and changes will be undone. Insert if NOT EXISTS While creating a query that inserts values to your table in a database, the best and probably most commonly used method is using insert if not exists. How can I list the tables in a SQLite database file that was opened with ATTACH? Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. It can be used in a SELECT, INSERT, UPDATE, or DELETE statement. If you don't want that, use IGNORE. MERGE without HOLDLOCK/SERIALIZABLE? The tablename argument to .mode insert tablename is merely an annotation (the default if not specified is 'table') to be used in the .mode insert output. Browse other questions tagged, Start here for a quick overview of the site, Detailed answers to any questions you might have, Discuss the workings and policies of this site. When executing multiple operations on the same data (after all theMERGEisINSERT,UPDATEandDELETEall together) you may have to be careful if you have triggers or if one row could potentially be affected by multiple actionsbut in the simple case of a insert-if-not-exists you shouldnt be worried. To avoid a parsing ambiguity, the SELECT statement should always SQLite 18. Table The main reasons that differentiate each of these methods are: Before advanced database queries, the norm was to go through entries and identify any duplication. Can table above be replaced with funwithsqlite? TheINSERTstatement will do exactly what it says: insert rows into thetagstable, if any. You can also specify and enter default values into a table. I want to INSERT new record with name if that name not added preveously. Thats everything you need to know about avoiding duplicate entries in SQLite. it always inserts as in insert or replace into my_table (col1, col2) values('1','2'); will add multiple rows of 1 2, I might add that it does work well if the constraint is put in place, "Insert if not exists" statement in SQLite, silently ignore records that would violate such a constraint, The philosopher who believes in Web Assembly, Improving the copy in the close modal and post notices - 2023 edition, New blog post from our CEO Prashanth: Community is the future of AI. Hence, we use the subselect for the ID column here.. If data was changed, you simply restart from step 1 and loop continuously until you manage to complete the algorithm or you reach the maximum number of attempts allowed. Another way to find duplicates in SQL is to use NOT EXISTS in the WHERE clause. Without the right semantics, it still operates like two independent operations. No existing data row is found with matching values and thus a standard INSERT . The difference here is that if the record with the unique constraint already exists, it will replace it with the new record that you are inserting. Is there a free software for modeling and graphical visualization crystals with defects? The logic behind the scenes is the same, but the code is much leaner in my opinion: TheMERGEis a very powerful command and would also allow you to implement in the same command also theupsert(insert-or-update) behavior. For example: (Here, name is the primary key.). An example of this is shown in the code below. list is specified, then the number of values in each term of the Many developers will solve it by trying to execute two steps: check if the data exists already, if not, insert it The issue This approach has a flaw, whatever the database you are using and no matter the database if relational or not. You can insert a row of data into the table by using the SELECT statement. Take a Google at "SQL overlapping date ranges"! with NULL if no default value is specified. There are more efficient ways to write most queries, that do not use the EXISTS Condition. If you are interested in learning how much more you can do withMERGE, read here thedetailed doc page. The tablename argument to .mode insert tablename is merely an annotation (the default if not specified is 'table') to be used in the .mode insert output. if the upsert-clause is present. Challenge solved, with no big transactions involved, much simpler code on the client side, no matter with language you are using. Hello, I am Bilal, a research enthusiast who tends to break and make code from scratch. The INSERT OR UPDATE command is essentially an extension of the INSERT command. Let's say it has three fields pk, name, address. The idea of the REPLACE statement is that when a UNIQUE or PRIMARY KEY constraint violation occurs, it does the following: In the second step, if any constraint violation e.g., NOT NULL constraint occurs, the REPLACE statement will abort the action and roll back the transaction. Improve INSERT-per-second performance of SQLite, ALTER TABLE ADD COLUMN IF NOT EXISTS in SQLite. Content Discovery initiative 4/13 update: Related questions using a Machine How to tell if a value exists in a sqlite3 database, python. This is similar to the ignore clause, as it first checks whether the values inserted are unique if the unique constraint (or primary key) has been applied to a certain row. While using this site, you agree to have read and accepted our Terms of Service and Privacy Policy. Generalizing the problem, it can be described as the requirement of insert some data into a table only if that data is not there already. name for the table into which content is being inserted. While creating a query that inserts values to your table in a database, the best and probably most commonly used method is using insert if not exists. Find centralized, trusted content and collaborate around the technologies you use most. Please re-enable JavaScript in your browser settings. Is normalization advisable on transactional data? A new entry is inserted into the table for each To subscribe to this RSS feed, copy and paste this URL into your RSS reader. How small stars help with planet formation. can be used within WHERE and SET clauses of the UPSERT. table-name and so forth for each subsequent expression. I have an SQLite database. insert sqlite duplication Share What are the benefits of learning to identify chord types (minor, major, etc) by ear? Golang provides a generic interface around SQL (or SQL-like) databases [5]. Regardless it is necessary to avoid it ideally during insertion. python sqliteid,python,sqlite,Python,Sqlite,id conn = sqlite3.connect("APIlan.db") c = conn.cursor() c.execute('''CREATE TABLE IF NOT EXISTS ENERGYLOG (id INTEGER PRIMARY KEY AUTOINCREMENT, totalenergy REAL)''') c.execute("INSERT . These issues are why this method is hardly ever used. I do the OR IGNORE to avoid importing duplicates and each time I scan my source and this leads to big jumps in IDs. Put another way . Find centralized, trusted content and collaborate around the technologies you use most. You can always change the condition by altering the query in the brackets to whatever your requirements are. --any query with your preferred conditions, SQLite INSERT a New Record or UPDATE One if It Already Exists. Id love to see something similar for SQL Server. And any other triggers are skipped. Connect and share knowledge within a single location that is structured and easy to search. The following shows the syntax of the IIF () function: IIF (expression, true_expression, false_expression); Code language: SQL (Structured Query Language) (sql) In this syntax, the IIF () function evaluates the expression first. No need for big transaction, no need for less-then-optimal loops. sqlitemysql ; 14. This is one of the problems with touting MERGE as a single-statement solution. By using this site, you agree to our, mysql grant user privileges to database that has suffix and prefix, how to insert if not exists or update in sqlite, insert if not exist or select query sqlite, how to not insert if alredy exist in sqlite c#, sqlite insert if not exists using ContentValues, insert if not exists sqlite for one column, insert into table if colomn not exist sqlite 3, insert to table sqlite only if not exists, HOW TO MAKE VALUES NOT INSERT INTO SQLITE IF THEY EXIST, how to update data when table exists sqlite3, sqlite update from another table, insert if not present, sql insert if not exists row same values sqlite, how to insert new item if not exists flutter floor, update does insert if not present? Exists is often used in queries and nested ones. alias for "INSERT OR REPLACE". To insert a single row into a database table, you can use the following form of the INSERT statement: Before adding, you need to specify the name of the table you intend to insert the data to after the INSERT INTO statement. Second, insert some rows into the positions table. If a column-name Note that the IF NOT EXISTS clause does not check the table structure/definition. I don't know if this will work for your particular query, but perhaps it give you a hint on how to proceed. If you are worried about this, keep in mind that Azure SQL will allow readers to read from thetagstable even while someone is changing its data as by default it uses theREAD COMMITTED SNAPSHOT isolation level. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. upsert-clause, then the alias is pointless, but also Asking for help, clarification, or responding to other answers. To create a new trigger in SQLite, you use the CREATE TRIGGER statement as follows: CREATE TRIGGER [ IF NOT EXISTS] trigger_name [ BEFORE | AFTER |INSTEAD OF] [ INSERT | UPDATE | DELETE] ON table_name [ WHEN condition] BEGIN statements; END; Code language: SQL (Structured Query Language) (sql) In this syntax: FogBugzURL ; 21. If you can't make use of a UNIQUE INDEX in combination with INSERT INTO or INSERT OR IGNORE INTO, you could write a query like this; Thanks for contributing an answer to Stack Overflow! can one turn left and right at a red light with dual lane turns? Similarly, the "DEFAULT VALUES" form of the INSERT statement is supported for JavaScript is required for this website to work properly. Note that if the ID field is set to autoincrement, then the IDs will still increment even if no row is inserted, so eventually the IDs will no longer be contiguous. DEFAULT VALUES statement inserts a single new row into the What is the etymology of the term space-time? It can be used in a SELECT, INSERT, UPDATE, or DELETE statement. Recently I found a quite common request onStackOverflow. In SQLite, there are multiple ways to avoid duplicate entries. triggers. The moment you have two actions, where one depends on another, you need to make sure that the data used by both doesnt change in the meantime because of some other action done by someone else. I am trying to insert values (users_id, lessoninfo_id) in table bookmarks, only if both do not exist before in a row. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. Here is the basic syntax of the EXISTS operator: EXISTS (subquery) Code language: SQL (Structured Query Language) (sql) In this syntax, the subquery is a SELECT statement that returns zero or more rows. Try: Because of backwards compatibility and not a lot of licenses on the line for MERGE issues, Im sure the desire for Microsoft to fix MERGE issues is pretty low. You may use the following code to do so. We hope you now know exactly what to do to meet your needs and produce the most efficient database. Copyright 2003-2023 TechOnTheNet.com. Why are parallel perfect intervals avoided in part writing when they are so common in scores? Lets say we have a table, named tags, that stores all the tags associated with a blogs post. You can refer to the code below to use the clause correctly. Second, because this statement violated the UNIQUE constraint by trying to add the DBA title that already exists, SQLite deleted the existing row. Syntax create-view-stmt: CREATE TEMP TEMPORARY VIEW IF NOT EXISTS schema-name . I have two tables. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. WHERE NOT EXISTS SQL statement in sqlite3. UPSERT is not standard SQL. INSERT OR UPDATE uses the same syntax, features, and restrictions employed by the INSERT statement. Why are parallel perfect intervals avoided in part writing when they are so common in scores? Making statements based on opinion; back them up with references or personal experience. First, SQLite checked the UNIQUE constraint.. Second, because this statement violated the UNIQUE constraint by trying to add the DBA title that already exists, SQLite deleted the existing row.. Third, SQLite inserted a new row with the data provided by the REPLACE statement.. Notice that the REPLACE statement means INSERT or REPLACE, not INSERT or UPDATE.. See the following statement. WPF . Therefore, although this method works, it is unadvised as simpler methods exist. Let's try it with the same conditions from the previous section: Over the last few years, we provided guidance on how customers could create their own retry logic or reuse existing libraries aimed to simplify this task for them, We decided to provide a better experience incorporating configurable retry logic capabilities in our client drivers portfolio starting with Microsoft.Data.SqlClient v3.0.0-Preview1. Of course, this ability has a cost in terms of resource usage (CPU, Memory and IO, as the previous versions of the row are kept in a version store) and we want to be careful on avoiding wasting resources (just like it happens in the real world!) UPSERT in SQLite follows the syntax established by PostgreSQL. Ill make super good use of them! columns that do not appear in the column list are populated with the While this will work perfectly from a functional perspective, if you are in a highly concurrent system and you need to have a very scalable solution where an extreme number of executions can be done in parallel, you really want to have such protection around your transaction theisolation for the shortest time possible, as for as long as you are using that data in your algorithm, other may have to wait for accessing it, to avoid interfering with your activity. In SQLite, inserting data into the table is pretty simple. e.g. If you need to add a record with a unique value, the field is modified if the value, for example, name, already exists. Can a rotating object accelerate by changing shape? Instead of using the ignore clause, you may also opt for replacing it. With Azure SQL, doing that is easy: you canINSERTa row into a table using the result of aSELECTon that table. The result of this little optimization is a cleaner code, better performances, less resource usage, more concurrency, and increased efficiency. It simply checks that there's no existing table or view with the same name that we're trying to give to the table that we're creating. Many developers will solve it by trying to execute two steps: This approach has a flaw, whatever the database you are using and no matter the database if relational or not. Like Aaron Mentioned, the MERGE statement has some issues with it. First, create a new table named positions with the following structure. But this is a different question. All Rights Reserved. INSERT INTO memos (id,text) SELECT 5, 'text to insert' WHERE NOT EXISTS (SELECT 1 FROM memos WHERE id = 5 AND text = 'text to insert'); If a record already contains a row where text is equal to 'text to insert' and id is equal to 5, then the insert operation will be ignored. CREATE TABLE users('pk' INTEGER PRIMARY KEY, 'name' VARCHAR(100) UNIQUE, 'count' INTEGER); This answer could be better if it provides a concrete example in valid SQL syntax. By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. as part of the column definition in the CREATE TABLE statement. To update selected rows, you can use the WHERE query with the UPDATE query; otherwise, all the table rows will be updated. For compatibility with MySQL, the parser allows the use of the parser does not know if the token "ON" is part of a join constraint The following illustrates the syntax of the REPLACE statement. Not the answer you're looking for? A similar approach can be used if you want to leave specific field values alone in the row in the replacement case and set the field value to NULL in the insert case. This operation updates the row with specific column values. If the title column does not have the NOT NULL constraint, the REPLACE statement will insert a new row whose the title column is NULL. It is a self-contained, serverless, zero-configuration and transactional SQL database engine. What to do during Summer? Introduction to SQLite EXISTS operator The EXISTS operator is a logical operator that checks whether a subquery returns any row. on the SELECT, or the beginning of the upsert-clause. However, this is inefficient in all cases and unusable for much larger databases. I dont think its ANSI. e.g: Thanks for contributing an answer to Stack Overflow! As the chosen algorithm is comprised of two separate steps, you must create a transaction big enough to keep both steps under the same umbrella, so that the two physical separate steps will logically work like one. By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. Home SQLite Tutorial SQLite REPLACE Statement. constraint conflict resolution algorithm to use during TheWHEREclause will make sure only those rows thats doesnt already exists in the target table tags will be returned from the virtual table and passed to theINSERTstatement. Stack Exchange network consists of 181 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. Sci-fi episode where children were actually adults. In the replacement case, this statement would set the value to NULL, and then a new ID would be allocated. Should the alternative hypothesis always be the research hypothesis? The following statement creates a unique index on the title column of the positions table to ensure that it doesnt have any duplicate position title: Suppose, you want to add a position into the positions table if it does not exist, in case the position exists, update the current one. QtSqlMySqlSQLite ; 15. that one INSERT command. The optional "AS alias" phrase provides an alternative Content Discovery initiative 4/13 update: Related questions using a Machine Getting specific value from Array which does not exist in database. In this case For example, in your case: CREATE TABLE IF NOT EXISTS "funwithsqlite" ( "ID" , "heading2", "heading3" ); sqlite> .mode insert funwithsqlite_copy sqlite> select * from funwithsqlite limit 5; INSERT INTO "funwithsqlite_copy" VALUES(2,6400,'2021 . UPSERT is a special syntax addition to INSERT that causes the INSERT to behave as an UPDATE or a no-op if the INSERT would violate a uniqueness constraint. Without the WHERE clause, the The following REPLACE statement inserts a new row into the positions table because the position title Full Stack Developer is not in the positions table. The default is ABORT, so without the IGNORE, the statement will return an error. You obviously can't write a value to an autoincrement field but I cannot imagine that this is what you meant SQLite Query to Insert a record If not exists, The philosopher who believes in Web Assembly, Improving the copy in the close modal and post notices - 2023 edition, New blog post from our CEO Prashanth: Community is the future of AI. The major difference is that if the row being inserted does not exist, INSERT OR UPDATE performs an INSERT operation. and came at the right time. Can we do with this in a single Query. INSERT ON CONFLICT IGNORE should help you: http://www.sqlite.org/lang_conflict.html Put a unique key on the name, this will create a conflict when you try inserting a record if the name already exists. VS ; 19. Lets take a look at some examples of using the SQLite REPLACE statement to understand how it works. https://sqlperformance.com/2020/09/locking/upsert-anti-pattern 0.005s by You can create a table and apply the unique constraint with the following code. Hello, I am Bilal, a research enthusiast who tends to break and make code from scratch. The best answers are voted up and rise to the top, Not the answer you're looking for? When populating a database, one of the most common issues one might come across is data duplication. This page was generated in about Notice that the REPLACE statement means INSERT or REPLACE, not INSERT or UPDATE. You can also opt for a unique index, as shown in the code below. What the statement tried to do is to update the min_salary for the position with id 2, which is the developer. For more information, see: sqlite.org/lang_insert. This has solved the issue. To learn more, see our tips on writing great answers. contain a WHERE clause, even if that clause is simply "WHERE true", an existing table. Why is my table wider than the text width when adding images with \adjincludegraphics? . Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. We will use the popular mattn/go-sqlite3 driver in our program. One or more rows can be created with that technique (it works very nicely up to a few hundred rows. To do this, you can use the following code: Any field that doesnt exist in the insert list will be assigned NULL if the table row already exists. sqlite insert if not exists Pristinn #id column is assumed to be primary key INSERT INTO destination_table (id,name) SELECT id, name FROM source_table s WHERE NOT EXISTS ( SELECT 1 FROM destination_table d WHERE d.id = s.id ); Add Own solution Log in, to leave a comment Are there any code examples left? Or UPDATE command is essentially an extension of the column definition in the to. Licensed under CC BY-SA as shown in the CREATE table statement UPDATE command essentially... The following code to do so and thus a standard INSERT you do n't want that, use.... Or nothing works and changes will be undone INSERT rows into thetagstable, if any with. Preferred conditions, SQLite INSERT a row of data into the what is the primary key )! Tends to break and make code from scratch was generated in about Notice that the REPLACE statement INSERT. Would SET the value to NULL, and increased efficiency easy: canINSERTa... Left and right at a red light with dual lane turns in a SELECT,,... Are so common in scores: INSERT rows into thetagstable, if any apply the unique constraint with following... Sqlite3 database, python leads to big jumps in IDs to a hundred! With \adjincludegraphics the problems with touting MERGE as a single-statement solution feed, copy and this... Also specify and enter default values into a table using the result of this optimization..., INSERT or UPDATE opt for a unique index, as shown in the code below ones. Doc page transaction, no matter with language you are interested in learning much. For replacing it do n't know if this will work for your particular query, also..., or DELETE statement the IGNORE, the SELECT statement should sqlite insert if not exists SQLite 18 this in a,. The SQLite REPLACE statement means INSERT or REPLACE, not the Answer you 're looking for this will work your! With touting MERGE as a single-statement solution nested ones any row up to a few hundred rows, UPDATE or! You agree to have read and accepted our terms of service, policy! The position with ID 2, which is the developer to Stack Overflow column..... Merge as a single-statement solution so without the right semantics, it is necessary to avoid a parsing ambiguity the! Not INSERT or UPDATE uses the same syntax, features, and restrictions employed by the INSERT statement supported! With it transaction, no matter with language you are using making statements on! Caninserta row into a table, named tags, that do not use the popular driver. Transactions involved, much simpler code on the SELECT statement should always SQLite 18 clauses! Into which content is being inserted Asking for help, clarification, or DELETE statement the REPLACE means! Ranges '' was opened with ATTACH is to UPDATE the min_salary for the ID column here of. How can I list the tables in a single query knowledge within a single.... Part of the term space-time SQL, doing that is structured and easy to search for. Come across is data duplication, that stores all the tags associated with blogs! Create-View-Stmt: CREATE TEMP TEMPORARY VIEW if not EXISTS clause does not exist, INSERT, UPDATE, the! Improve INSERT-per-second performance of SQLite, inserting data into the table into which sqlite insert if not exists is inserted. Conditions, SQLite INSERT a new table named positions with the following code see our tips on writing great.. Insert new record or UPDATE constraint with the following code, privacy policy and cookie policy SQL! True '', an existing table by altering the query in the replacement case, is... Record or UPDATE command is essentially an extension of the UPSERT following code to whatever your requirements are is. If the row with specific column sqlite insert if not exists to big jumps in IDs and changes will be persisted or! Create-View-Stmt: CREATE TEMP TEMPORARY VIEW if not EXISTS in SQLite concurrency, and then a new record with if... A subquery returns any row follows the syntax established by PostgreSQL can do withMERGE, here., or DELETE statement table into which content is being inserted does not exist INSERT..., so without the IGNORE, the `` default values into a table and the... Tell if a value EXISTS in a SELECT, or responding to other answers the WHERE clause RSS.. Related questions using a Machine how to proceed NULL, and restrictions employed by INSERT... The UPSERT say we have a table and apply the unique constraint with the following code I... No matter with language you are interested in learning how much more can... To whatever your requirements are key. ) an existing table clicking Post your Answer, you agree to read! Sqlite INSERT a row of data into the positions table can INSERT a row of data into the structure/definition... Constraint with the following structure Answer to Stack Overflow method is hardly used. Change the Condition by altering the query in the brackets to whatever your requirements are, table. About Notice that the if not EXISTS in SQLite tips on writing sqlite insert if not exists answers, an existing table Notice... To Stack Overflow example of this is shown in the code below checks whether a subquery any., an existing table -- any query with your preferred conditions, SQLite INSERT a new ID would allocated! The or IGNORE to avoid a parsing ambiguity, the SELECT, the! A sqlite3 database, one of the UPSERT by PostgreSQL clauses of the sqlite insert if not exists or UPDATE uses the syntax. Do not use the following code, doing that is structured and easy to search other.... The best answers are voted up and rise to the top, not INSERT UPDATE. User contributions licensed under CC BY-SA named positions with the following code to do so text width adding! Database, python be allocated, or nothing works and changes will be persisted, or DELETE.... A single query efficient database statement is supported for JavaScript is required for this website to work properly standard... Which content is being inserted does not sqlite insert if not exists the table into which content is inserted! Theinsertstatement will do exactly what to do to meet your needs and produce the most common one. Better performances, less resource usage, more concurrency, and restrictions employed by the INSERT statement is for! Operator the EXISTS operator is a logical operator that checks whether a returns... Top, not INSERT or UPDATE performs an INSERT operation a WHERE clause our tips on writing answers! Used sqlite insert if not exists a single location that is structured and easy to search of service privacy., use IGNORE to big jumps in IDs each time I scan source... From scratch default is ABORT, so without the IGNORE clause, you agree our! The top, not the Answer you 're looking for I am Bilal, a research enthusiast who to. Want to INSERT new record or UPDATE performs an INSERT operation most common issues one might come across is duplication! Of this is shown in the code below to use not EXISTS clause does not check table..., copy and paste this URL into your RSS reader problems with MERGE! Design / logo 2023 Stack Exchange Inc ; user contributions licensed under CC BY-SA a blogs Post Answer! In the code below some rows into thetagstable, if any that is easy: you canINSERTa row into table! Where clause, even if that clause is simply `` WHERE true '', an existing.! Cleaner code, better performances, less resource usage, more concurrency and! Extension of the upsert-clause is ABORT, so without the IGNORE clause, you agree to our terms service! The min_salary for the position with ID 2, which is the etymology the. Can always change the Condition by altering the query in the replacement case, this would. Inserting data into the positions table logo 2023 Stack Exchange Inc ; user licensed! Note that the REPLACE statement to understand how it works as part of the upsert-clause is one the... Named positions with the following code to do so: Thanks for contributing an Answer to Overflow! The MERGE statement has some issues with it Bilal, a research enthusiast who tends to break and code... And produce the most common issues one might come across is data duplication we hope now! ( minor, major, etc ) by ear now know exactly what it says: INSERT rows thetagstable!, read here thedetailed doc page using the SELECT, or the beginning of the statement... Exists schema-name although this method is hardly ever used in scores any query with your conditions! Some issues with it modeling and graphical visualization crystals with defects we hope you now know exactly to! A Machine how to proceed NULL, and restrictions employed by the command!, if any can always change the Condition by altering the query in the code below to not! However, this statement would SET the value to NULL, and restrictions employed by the statement!, not the Answer you 're looking for the primary key. ) Thanks for an. Id love to see something similar for SQL Server duplicate entries adding images with \adjincludegraphics row is found with values! Values statement inserts a single new row into a table using the SQLite REPLACE means. You now know exactly what it says: INSERT rows into the table is pretty simple you now exactly. To know about avoiding duplicate entries in SQLite whether a subquery returns any row query with preferred., and then a new ID would be allocated multiple ways to write most queries that! Hence, we use the subselect for the position with ID 2, which is the of... Was opened with ATTACH Answer you 're looking for record or UPDATE command is essentially extension! Solved, with no big transactions involved, much simpler code on the SELECT, or... How it works, name, address SQLite INSERT a new table named with!
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