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The Cloud Spanner data manipulation language (DML) enables you to update, insert, and delete data in Cloud Spanner tables.For information about how to use DML statements, see Inserting, updating, and deleting data using Data Manipulation Language. CREATE TABLE Singers ( Singer Id INT64 NOT NULL, First Name STRING(1024), Last Name STRING(1024), Birth Date DATE, Last Updated TIMESTAMP, ) PRIMARY KEY(Singer Id); CREATE TABLE Albums ( Singer Id INT64 NOT NULL, Album Id INT64 NOT NULL, Album Title STRING(MAX), Marketing Budget INT64, ) PRIMARY KEY(Singer Id, Album Id), INTERLEAVE IN PARENT Singers ON DELETE CASCADE; CREATE TABLE Songs ( Singer Id INT64 NOT NULL, Album Id INT64 NOT NULL, Track Id INT64 NOT NULL, Song Name STRING(MAX), Duration INT64, Song Genre STRING(25), ) PRIMARY KEY(Singer Id, Album Id, Track Id), INTERLEAVE IN PARENT Albums ON DELETE CASCADE; CREATE TABLE Concerts ( Venue Id INT64 NOT NULL, Singer Id INT64 NOT NULL, Concert Date DATE NOT NULL, Begin Time TIMESTAMP, End Time TIMESTAMP, Ticket Prices ARRAYINSERT [INTO] target_name (column_name_1 [, ..., column_name_n] ) input input: VALUES (row_1_column_1_expr [, ..., row_1_column_n_expr ] ) [, ..., (row_k_column_1_expr [, ..., row_k_column_n_expr ] ) ] | select_query expr: value_expression | DEFAULT If a statement does not comply with the rules, Cloud Spanner raises an error and the entire statement fails.Recall that upsert semantics on a dictionary mean that when a key-value pair is applied with and the key is present, the value is updated; otherwise the pair is inserted.In the context of tables and keyed tables, which are both dictionaries, this has far-reaching consequences for many common operations, including joins. In this chapter, we cover the important features of q-sql, beginning with simple examples for each. Some examples are based on the We have seen that it is possible to insert a naked list of row values instead of the full record dictionary.A second difference is that a q table is stored physically as a collection of column lists.This means that operations on column data are vector operations.Appending them to a table ensures that they enter – and stay – in order.
It is also possible to bulk insert naked field values but there is a twist.
For this and other reasons, q)t:( name:`Dent`Beeblebrox`Prefect; iq:42 98 126) q)`t upsert (`name`iq)!
(`Slartibartfast; 134) `t q)`t upsert (`Marvin; 150) _ q)`t upsert ( name:`Slartibartfast`Marvin; iq:134 200) _ q)t:3#t q)upsert[`t; (`Slartibartfast; 134)] _ Upserting to a splayed table does not read the persisted image into memory; rather, it appends to the ends of the column files.
The template is converted by the interpreter into a functional form and is applied against the table to produce a result table.
While the syntax and behavior of or columns of another table accessed via foreign key.