| The jOOQ User Manual : SQL building : SQL Statements (DDL) : The CREATE statement : CREATE TABLE | previous : next |
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CREATE TABLE
Applies to ✅ Open Source Edition ✅ Express Edition ✅ Professional Edition ✅ Enterprise Edition
Arguably the most used DDL statement is the CREATE TABLE statement.
Create a table with columns
There are a few overloads to achieve the same thing with different types of parameters, as always. To keep things simple, only one example is given.
// Create a new table with a column
create.createTable("table")
.column("column1", INTEGER)
.execute();
// Create a new table with columns and unnamed constraints
create.createTable("table")
.column("column1", INTEGER)
.column("column2", VARCHAR(10).nullable(false))
.constraints(
primaryKey("column1"),
unique("column2"),
foreignKey("column2").references("some_other_table"),
check(field(name("column2")).like("A%"))
)
.execute();
// Create a new table with columns and named constraints
create.createTable("table")
.column("column1", INTEGER)
.column("column2", VARCHAR(10).nullable(false))
.constraints(
constraint("pk").primaryKey("column1"),
constraint("uk").unique("column2"),
constraint("fk").foreignKey("column2").references("some_other_table"),
constraint("ck").check(field(name("column2")).like("A%"))
)
.execute();
CREATE TABLE AS SELECT
Occasionally, creating a table from a SELECT statement is very useful, copying the source table's data types and data.
// Create a new table from a source SELECT statement
create.createTable("book_archive")
.as(select(BOOK.ID, BOOK.TITLE).from(BOOK))
.execute();
CREATE [ GLOBAL ] TEMPORARY TABLE
Many dialects support different notions of "temporary" tables, i.e. tables whose data and/or meta data is stored only temporarily. The details of these temporary are implementation specific. jOOQ supports the following syntaxes, both with explicit column lists or as CREATE TABLE AS SELECT:
// Create a new temporary table
create.createTemporaryTable("book_archive")
.column("column1", INTEGER)
.execute();
// Create a new temporary table
create.createGlobalTemporaryTable("book_archive")
.column("column1", INTEGER)
.execute();
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