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please explain in English the ""INSERT IGNORE" vs "INSERT ... ON DUPLICATE KEY UPDATE"" related to programming in "mysql", "insert".
INSERT IGNORE:Purpose: Inserts a new row into a table, but if a duplicate key is encountered, the entire INSERT statement is silently ignored without generating an error
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please explain in English the "SELECT INTO a table variable in T-SQL" related to programming in "sql-server", "t-sql", "insert".
SELECT INTO a Table VariableIn T-SQL, a SELECT INTO statement is used to create a new table variable and populate it with data from the results of a SELECT query
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Setting Initial Values and Auto-Increment in MySQL
Understanding Auto-IncrementIn MySQL, the AUTO_INCREMENT attribute is used to automatically generate unique, sequential integer values for a specified column
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Optimizing Inserts with Doctrine: Leveraging Default Values and Mitigating Nulls in Symfony and MySQL
In Doctrine ORM (Object-Relational Mapper) for PHP, you can define default values for columns in your entity mappings. This is done using annotations or YAML configurations
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Retrieving Newly Inserted Record's Primary Key ID in MySQL
MySQL: A popular open-source relational database management system (RDBMS) used to store and manage data in a structured format
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How to Generate INSERT Statements for Selected Rows in PostgreSQL
SQL (Structured Query Language): It's the language used to interact with relational databases like PostgreSQL. In this context
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Beyond INSERT OR REPLACE: Alternative Methods for Conditional Updates in SQLite
INSERT OR REPLACE:This statement attempts to insert a new row into the table. If a row with the same unique identifier (primary key) already exists
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PostgreSQL: Last Inserted ID with INSERT RETURNING and CURRVAL
Using INSERT RETURNING:This is the preferred approach. When you perform an INSERT statement, you can add the RETURNING clause to specify columns you want to retrieve after the insert
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Speed Up Your Inserts: Multi-Row INSERT vs. Multiple Single INSERTs in MySQL/MariaDB
Reduced Overhead: Sending a single INSERT statement with multiple rows requires less network traffic compared to sending many individual INSERT statements
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Generating SQL INSERT Statements for Data Export in SQL Server
SQL (Structured Query Language): A standardized language for interacting with relational databases like SQL Server. It allows you to create
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Transactions, Stored Procedures, and More: Mastering Multi-Table Inserts in SQL Server
Single statement: A single INSERT statement can only target one table at a time.Approaches:Multiple INSERT statements: This is the simplest approach
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Building the Bridge: A Beginner's Guide to Creating SQL Inserts from CSV Files
CSV (Comma-Separated Values): A text file where data is stored in rows and separated by commas (",").SQL INSERT statement: This statement adds a new row of data into a specific table