title: Aerospike aql Syntax error near token - Make sure string values are enclosed in quotes
body: <p>I'm trying to delete the records from aeropike datastore set.
  I'm using the query language given <a href="https://www.aerospike.com/docs/tools/aql" rel="nofollow noreferrer">here</a>.</p>
  
  <p>But looks like the query has syntax error.I've given below the query and respective error.</p>
  
  <pre><code>Aerospike Query Client
  Version 3.13.0.1
  C Client Version 4.1.6
  Copyright 2012-2016 Aerospike. All rights reserved.
  aql&gt; set  TIMEOUT 100000
  aql&gt; delete from test.User
  Syntax error near token -  'delete from test.User'
  Make sure string values are enclosed in quotes.
  Type " aql --help " from console or simply "help" from within the aql-prompt.
  
  aql&gt; delete from 'test.User'
  Syntax error near token -  'delete from 'test.User''
  Make sure string values are enclosed in quotes.
  Type " aql --help " from console or simply "help" from within the aql-prompt.
  
  aql&gt; truncate test.User
  
  ERROR: 404: COMMAND NOT FOUND : truncate
  aql&gt; truncate test User
  
  ERROR: 404: COMMAND NOT FOUND : truncate
  aql&gt; truncate ns
  
  ERROR: 404: COMMAND NOT FOUND : truncate
  
  aql&gt; select '_id' from test.User
  +-----------+
  | _id       |
  +-----------+
  | "Dave-02" |
  | "Dave-01" |
  +-----------+
  2 rows in set (1.413 secs)
  
  aql&gt; delete from test.User where '_id'="Dave-01"
  Unsupported command format with token -  ''_id''
  Make sure string values are enclosed in quotes.
  Type " aql --help " from console or simply "help" from within the aql-prompt.
  
  
      aql&gt;  show namespaces
      +------------+
      | namespaces |
      +------------+
      | "test"     |
      | "bar"      |
      +------------+
      2 rows in set (0.001 secs)
      OK
  
      aql&gt; show sets
      +------------------+--------+----------------+---------+-------------------+--------------+-------------------+--------------+------------+
      | disable-eviction | ns     | set-enable-xdr | objects | stop-writes-count | set          | memory_data_bytes | truncate_lut | tombstones |
      +------------------+--------+----------------+---------+-------------------+--------------+-------------------+--------------+------------+
      | "false"          | "test" | "use-default"  | 0       | 0                 | "UserRecord" | 0                 | 0            | 0          |
      | "false"          | "bar"  | "use-default"  | 1       | 0                 | "UserRecord" | 1230              | 0            | 0          |
      +------------------+--------+----------------+---------+-------------------+--------------+-------------------+--------------+------------+
      2 rows in set (0.000 secs)
      OK
  </code></pre>
  
  <p>Any idea what is wrong in my query.
  Thanks in advance.</p>