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Some database implementations adopted the term "Upsert" (a portmanteau of update and insert) to a database statement, or combination of statements, that inserts a record to a table in a database if the record does not exist or, if the record already exists, updates the existing record.
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Lemonaid is a telehealth company that offers a wide range of services. You can connect with a doctor online without having to take time off to go to an in-person appointment. The company has a ...
public class DataSeedingContext: DbContext {public DbSet < Blog > Blogs {get; set;} public DbSet < Post > Posts {get; set;} protected override void OnConfiguring (DbContextOptionsBuilder optionsBuilder) => optionsBuilder.
A GROUP BY statement in SQL specifies that a SQL SELECT statement partitions result rows into groups, based on their values in one or several columns. Typically, grouping is used to apply some sort of aggregate function for each group.
Embedded SQL is a method of combining the computing power of a programming language and the database manipulation capabilities of SQL.Embedded SQL statements are SQL statements written inline with the program source code, of the host language.
SingleStore Pipelines connect to data sources such as Apache Kafka, Apache Spark, Amazon S3 buckets, Microsoft Azure Blob Storage Google Cloud Storage, HDFS, or files on disk and supports formats such as JSON, Parquet, Avro, and CSV. Because of the lock-free skip lists, queries can retrieve the data as soon as it lands, but are not blocked from ...
Suppose there is a simple database that lists people and addresses. More than one person can live at a particular address and a person can live at more than one address (this is an example of a many-to-many relationship).