DML (Data Manipulation Language):DML commands in BigQuery, including INSERT, UPDATE, DELETE, and MERGE, facilitate effective alterations to the data within your tables. String Functions:String functions in BigQuery help you manipulate text data through operations such as concatenation, substring extraction, and pattern matching, enha...
LOCK TABLE obtains a table-level lock.When the lock for commands referencing a table is automatically acquired, GaussDB(DWS) always uses the lock mode with minimum constr
SQL DML Commands SQL WITH AS Statement SQL TRUNCATE() Cursors in SQL
DML Commands perform on the internal partition as normal. INSERT INTO test_dp_hybrid_part_tab SELECT 'USA', object_id, owner, object_name FROM all_objects WHERE rownum <= 2000; COMMIT; COLUMN country_code FORMAT A12 SELECT country_code, COUNT(*) as amount FROM test_dp_hybrid_part_tab ...
25 Data Lake Insight Flink SQL Syntax 2 Flink OpenSource SQL 1.15 Syntax Reference 3. Run the following commands to install jdk1.8.0_232 in the current ECS cluster. You can run the pwd command in the jdk1.8.0_232 folder to view the value of yourJdkPath. export JAVA_HOME=...
Syntax and Example of Replace in SQL Replace in SQL works with a basic syntax to replace strings in the dataset, as mentioned below. Syntax: REPLACE(String, Old_substring, New_substring); String:String represents the expression or the string on which you want to implement the REPLACE() funct...
Section 17.20.6.5, “Adapting DML Statements to memcached Operations” Section 8.2.8, “Adding Accounts, Assigning Privileges, and Dropping Accounts” Section 19.2.1.1, “Advantages and Disadvantages of Statement-Based and Row-Based Replication” Section 15.1.2, “ALTER DATABASE Statement” Section 15...
Section 21.6.1, “Commands in the NDB Cluster Management Client”ALTER TABLE ... REPAIR PARTITION Section 22.3.3, “Exchanging Partitions and Subpartitions with Tables” Section 22.3.4, “Maintenance of Partitions”ALTER TABLE ... TABLESPACE Section 13.1.19, “CREATE TABLESPACE Statement” Section...
apply reformatting to comments. -d | --debug : enable debug mode. Disabled by default. -e | --comma-end : in a parameters list, end with the comma (default) -f | --function-case N: Change the case of the PostgreSQL functions. Default is unchanged: 0. Values: 0=>unchanged, 1=...
maintain the consistency and integrity of a database. sql consists of commands and functions that are used to manage databases and database objects. sql can also forcibly implement the rules for data types, expressions, and texts. therefore, section "sql reference" describes data types, ...